Dell 760N - Manuals

ix &RQWHQWV &KDSWHU ,QWURGXFLQJ'HOO)LOHUV About Filers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1 What a Filer Is . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1Compon...

xi Creating Administrative Users. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . ....

xii Naming Conventions for Network Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19 Interface Types the Filer Supports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19How Interfaces Are Numbered . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

xiii Sending Automatic Email . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-27 How Automatic Email Messages Are Controlled. . . . . . . . . . . . . . . . . . . . . . 2-27How the autosupport Daemon Works . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

xiv Understanding Hot Spare Disks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Understanding Hot Swap. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4Understanding Usable Space on Each Disk. . . . . . . . . . . . . . . . . . . . . . . ...

xv Example With Ages Option Specified . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16Example to Determine Volume Capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17 Getting a File Statistics Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

xvi Command to Configure the SNMP Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2SNMP Commands Supported by Dell . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3About the Dell Custom MIB. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4...

xviii Displaying the Status of a Trunk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-27 Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-27Step . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

xix NFS and CIFS Use of the Read-Only Bit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4 About Read-only Bits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4How NFS Treats the Read-Only Bit . . . . . . . . . . . . . . . . . . . . . ....

xx CIFS File Name Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14 Case Preservation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-14Case Conversion Procedures. . . . . . . . . . . . . . . . . . . . . ...

xxi Displaying WAFL Credential Cache Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-21Step . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

xxii Filer Determines Permissions by Matching Longest Prefix. . . . . . . . . . . . . . . 6-4 Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4 Edit /etc/exports After Changing Volume Names . . . . . . . . . . . . . . . . . . . . . . 6-4 ...

xxiii Format for IP Subnet Addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11Export to a Subnet as You Do to a Client. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11 Example:root access: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

xxiv Changing a Filer’s Description From Server Manager . . . . . . . . . . . . . . . . . . . 7-3Viewing a Filer’s Description From the Filer Command Line. . . . . . . . . . . . . . 7-3Changing a Filer’s Description From the Filer Command Line. . . . . . . . . . . . . 7-3 Adding CIFS Users to the Fi...

xxv Displaying Information About Shares . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-15 Methods of Displaying Information About Shares . . . . . . . . . . . . . . . . . . . . . 7-15Using Server Manager to View Information About Shares . . . . . . . . . . . . . . 7-16Using th...

xxvi Active Event Log Naming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-26Log Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-26 Event Log Detail Displays . . . . . . . . . . . . . . . . . . . . . . . ....

xxvii Displaying CIFS Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-34 How and Why to Display CIFS Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-34Statistics Displays With the cifs stat Command . . . . . . . . . . . . . . . ...

xxviii Using the HTTP Virtual Firewall. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5 About the HTTP Virtual Firewall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5Syntax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

xxix Example 2 of snap sched Command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6 Snapshots Created by This Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-6Result . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

xxx &KDSWHU TWUHH$GPLQLVWUDWLRQ About qtrees . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1 qtree Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1Volumes and qtrees . . . . . . . . . . . . ...

xxxi &KDSWHU 4XRWDVDQG0D[LPXP1XPEHURI)LOHV Restricting or Tracking Disk Usage by Using Disk Quotas . . . . . . . . . . . . . . . . . . 11-1 About Disk Quotas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1Format of the Quotas File . . . . . . . . . ...

xxxii Metadata Being Backed Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-2How to Exclude Certain Types of Data From the Backup . . . . . . . . . . . . . . . 12-3 Windows NT ACLs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-...

xxxiii Recommendations for Minimizing Backup Time and Data Loss . . . . . . . . . 12-11 Use Multiple Local Tape Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-12Organize Data to be Backed Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-12Limit the Amount of D...

xxxv How to Use a Filer Tape Drive to Restore Files to Another System . . . . . . . . . . 13-12 About This Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-12Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

xxxvi Verifying the Size of Each Volume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-4Verifying the Contents of the Destination Volume . . . . . . . . . . . . . . . . . . . . 15-4Verifying the Relationship Between Filers. . . . . . . . . . . . . . . . . . . . . . . . . . . 15...

xxxvii Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-4Consequences of Deleting a Required Snapshot. . . . . . . . . . . . . . . . . . . . . . 16-5 How SnapMirror Works With Quotas . . . . . . . . . . . . . . . . . . . . . . . . ....

xxxviii Checking Data Replication Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-14 Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16-14Prerequisite . . . . . . . . . . . . . . . . . . . . . . . . . . ...

xxxix Explanation of Interface Statistics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-5 Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-5GB Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

xl Disk Failure With a Hot Spare Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-6 About This Section. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18-6Filer Replaces Disk With Spare and Reconstructs Data . . . . . . . . . . ...

xlii CIFS Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-3 What the CIFS Options Do . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-3The cifs.access_logging_enable Option. . . . . . . . . . . . . . ....

xliii The cifs.symlinks.enable Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-7 Default. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-7Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

xliv The nfs.v2.df.2gb.lim Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-10 Default . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-10Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

xlv The timed.max_skew Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-13 Default. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-13Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

xlvi The ip.match_any_ifaddr Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-18 Default . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19-18Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

xlix Shared by Multiple Filers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-20 Table 12-3. Sample of Backing Up the Entire Filer . . . . . . . . . . . . . . . . . . . . . 12-22Table 13-1. restore Command Function Keys . . . . . . . . . . . . . . . . . . . . . . . . . . 13-3Table ...

Introducing Dell Filers 1-1 & + $ 3 7 ( 5 ,QWURGXFLQJ'HOOŒ)LOHUV $ERXW)LOHUV :KDWD)LOHU,V A filer is a hardware and software system. It acts on network requests from clients and processes them by writing data to or retrieving data from disks in PowerVault 700N Disk-Array Enclosure (DAE) storage ...

Introducing Dell Filers 1-5 $ERXW3RZHU9DXOW16WRUDJH6\VWHPV 3RZHU9DXOW16WRUDJH6\VWHPV&RQWDLQ'LVNV A PowerVault 700N storage system contains the disks that store the data that the filer serves. 3RZHU9DXOW16WRUDJH6\VWHP(QYLURQPHQWDO ,QIRUPDWLRQ PowerVault 700N storage systems collect information ab...

1-6 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 'DWD6WRUDJH0DQDJHPHQW Data ONTAP 5.3 stores data on disks in PowerVault 700N storage systems. Disks are organized into RAID groups, and RAID groups are organized into volumes. These items are explained in Table...

Introducing Dell Filers 1-7 'DWD$FFHVV0DQDJHPHQW Data ONTAP 5.3 manages access to data by performing the following operations: ‡ Checks file access permissions against file access requests. ‡ Checks write operations against file and disk usage quotas that you set. ‡ Takes snapshots and makes them av...

1-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ‡ Copy volumes ‡ Mirror volumes )LOHU$GPLQLVWUDWLRQ:LWK'DWD217$3 )LOHU$GPLQLVWUDWLRQ$FWLYLWLHV Administering a filer involves the following activities: ‡ Configuring the filer ‡ Monitoring and maintaining clien...

Introducing Dell Filers 1-9 You maintain network access by following general filer network administration proce- dures and procedures specific to your protocol. These procedures are described in later chapters in this guide. 0RQLWRULQJDQG0DLQWDLQLQJ)LOHU+DUGZDUH You monitor hardware by gathering sta...

Filer Administration Basics 2-1 & + $ 3 7 ( 5 )LOHU$GPLQLVWUDWLRQ%DVLFV 2YHUYLHZ $ERXW7KLV&KDSWHU This chapter describes routine filer administration procedures that you need regard- less of the file-sharing protocols licensed for your filer. This chapter emphasizes the filer characteristics...

2-2 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide $GPLQLVWUDWLRQ+RVW(QWU\LQWKHHWFKRVWVHTXLYILOH The setup procedure placed the administration host name in the /etc/hosts.equiv file automatically. $GPLQLVWUDWLRQ+RVWDVWKH0DLO+RVW For the administration host to s...

Filer Administration Basics 2-3 'HVLJQDWLQJWKH5RRW9ROXPH If you add volumes to your filer, you choose a volume to be the root volume during the multivolume configuration process. For more information about designating the multiple volume configuration process, read Chapter 3, “Disk and File System M...

Filer Administration Basics 2-5 2EWDLQLQJ$FFHVVWRWKH)LOHU6KHOO :D\VWR$FFHVVWKH&RPPDQG/LQH The filer supports a command-line interface. You can access the command line: ‡ directly, from the system console ‡ remotely, using telnet ‡ remotely, using a remote shell such as rsh 6KDULQJD6LQJOHWHOQHWDQ...

Filer Administration Basics 2-7 0XOWLSOH$GPLQLVWUDWLYH8VHUV,QFUHDVH)LOHU6HFXULW\ Adding multiple administrative users to a filer means you no longer need to share the root password. Instead, administrative users access the filer, either locally or remotely, with a unique login name and password. The...

2-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 6WHSVWR&UHDWHD1HZ$GPLQLVWUDWLYH8VHU8VLQJD &RQVROHRU7HOQHW To create a new administrative user using the filer console or a telnet session, per- form the following steps: 1. Enter the following command: ...

Filer Administration Basics 2-9 &DXWLRQ You are not prompted for a password when deleting a user. 6WHS To delete an administrative user, enter the following command: XVHUDGPLQXVHUGHO XVHUBQDPH user_name is the login name you want to delete. /LVWLQJ$GPLQLVWUDWLYH8VHUV 'HVFULSWLRQ Use the userlist...

2-10 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 6WHSVWR&KDQJHDQ$GPLQLVWUDWLYH3DVVZRUG8VLQJD &RQVROHRUWHOQHW To change an administrative user password using a console or telnet , perform the following steps: 1. Enter the passwd command. 2. When promp...

Filer Administration Basics 2-11 3URFHGXUHWR%RRWWKH)LOHU To boot the filer, perform the following steps: 1. Ensure that the RN prompt is displayed on the console. 2. Enter the following command: boot 3URFHGXUHWR5HERRWWKH)LOHU You can halt and reboot the filer in a single operation by entering the fo...

Filer Administration Basics 2-13 $FFHVVLQJWKH'LUHFWRULHV Table 2-6 shows how to access the default directories. Replace filer with the host name of your filer. &RQWHQWVRIWKHHWF'LUHFWRU\ The root directory contains an etc directory in which the filer configuration files are stored. You can modify...

Filer Administration Basics 2-19 1DPLQJ&RQYHQWLRQVIRU1HWZRUN ,QWHUIDFHV ,QWHUIDFH7\SHVWKH)LOHU6XSSRUWV The filer supports the following interface types: ‡ Ethernet ‡ Gigabit Ethernet ‡ Virtual +RZ,QWHUIDFHV$UH1XPEHUHG Interface numbers are assigned based on the slot in which the interface card i...

2-20 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 9LUWXDO,QWHUIDFH1DPHV The name of a virtual interface is a string that is no longer than 15 characters that meets the following criteria: ‡ It must begin with a letter. ‡ It must not contain a space. ‡ It must...

2-22 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide &RUH)LOHV $ERXW&RUH)LOHV When a hardware or software failure causes the filer to crash, the filer creates a core file that Dell technical support can use to troubleshoot the problem. &RUH)LOH6WRUDJ...

Filer Administration Basics 2-23 0HVVDJH/RJJLQJ $ERXW0HVVDJH/RJJLQJ The filer maintains messages in the /etc/messages file on the root volume. The level of information that the filer records in the /etc/messages file is configurable. $ERXWWKHV\VORJG'DHPRQDQGWKHHWFV\VORJFRQI)LOH The message logging d...

2-24 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 7KHOHYHO3DUDPHWHU The level parameter describes the severity of the message. Table 2-15 describes the level parameter keywords arranged in order from highest to lowest severity. 7KHDFWLRQ3DUDPHWHU The action p...

Filer Administration Basics 2-25 ([DPSOH/LQH)URPHWFV\VORJFRQI The following example causes all kernel messages of levels emerg , alert , crit , and err to be sent to the /etc/messages file: HUUNHUQHWFPHVVDJHV 7KHHWFPHVVDJHV)LOH5HVWDUW6FKHGXOH Every Sunday at midnight, the /etc/messages file is copie...

2-26 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide )RU0RUH,QIRUPDWLRQ For more information about the syslog.conf file, see the syslog.conf (5) man page. &RQILJXULQJ)LOHU2SWLRQV &RPPDQGVWR8VHWR6HW2SWLRQV The filer recognizes two commands, options and vo...

Filer Administration Basics 2-27 7KHYRORSWLRQV&RPPDQG YRORSWLRQV&RPPDQG&RQILJXUHV9ROXPH/HYHO%HKDYLRU You use the vol options command to configure volume-level behavior. You can use this command only with volume options, which are listed in the section, “Volume Options,” in Chapter 19. Ch...

2-28 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide +RZWKHDXWRVXSSRUW'DHPRQ:RUNV The autosupport daemon is enabled by default on the filer. The daemon triggers automatic email messages to customer-defined administrator accounts, alerting them to potential filer...

Filer Administration Basics 2-29 &RQWHQWVRI$XWRPDWLF(PDLO0HVVDJHV Each email message generated by autosupport contains the following types of information: ‡ date and time stamp of the message ‡ Data ONTAP 5.3 software version ‡ system ID of the filer ‡ host name of the filer ‡ software licenses ...

2-30 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide Specifying mail hosts: The command to specify hosts that send autosupport email messages is as follows: RSWLRQVDXWRVXSSRUWPDLOKRVW KRVWQDPH You can specify up to five mail host names. Separate names by commas ...

2-32 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide NOTE: There is currently no Windows 9x or Windows NT counterpart to the rdate command. If you want to use the rdate command, you must have a UNIX worksta- tion that supports rdate on your filer’s network. :KHQ...

Filer Administration Basics 2-33 :KHQWR8VH6173 You use SNTP when you need a high degree of accuracy. /LVWRIWLPHG2SWLRQV Before using SNTP, you set the timed options as described in “Synchronizing Filer System Time” or accept the default settings. The timed options are listed in Table 2-20. For detai...

Filer Administration Basics 2-35 6. Specify up to five time servers by entering the following command: options timed.servers servers servers is a list of the host names or IP addresses of up to five time servers, separated by commas. 8VLQJRSWLRQV&RPPDQG2SWLRQVWR0DLQ WDLQ)LOHU6HFXULW\ :KDWWKH2SWL...

Filer Administration Basics 2-37 Example: The following example shows how to activate several protocols with one command: OLFHQVHQIV $%&'()*&,)6 +,-./01KWWS 3456789 'LVSOD\LQJ&XUUHQW/LFHQVH&RGHV To display licensing information, enter the license command without parameters, as follow...

3-6 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide The sysconfig -r command displays which disk is reserved as the hot spare disk. In addition to disk failure and hot spare disk replacement activity, the /etc/messages file logs any failure in a periodic check o...

Disk and File System Management 3-7 The filer uses two naming conventions to indicate the root volume: ‡ /vol/vol0 ‡ / In the /vol/vol0 convention ‡ /vol Indicates that the next part of the path, such as vol0 in this example , is a volume name. ‡ /vol0 Indicates the default name of the root volume f...

3-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ‡ Take individual volumes off-line, for example, to perform administrative tasks on their file systems or associated RAID groups, while the other volumes remain on- line, without interrupting the availability o...

Disk and File System Management 3-9 3URFHGXUHVIRU0DQDJLQJ'LVNVDQG 9ROXPHV 6HFWLRQ&RQWHQWV This section provides step-by-step procedures for performing many filer management tasks from the command line on a filer administration host or client. It is organized into two main sections: ‡ Disk manage...

3-10 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ,QVWDOOLQJ1HZ'LVNV New disks are ones that have never been used. Perform the following steps to install new disks. 1. Install one or more disks according to the refer to the Installation and Trouble- shooting ...

Disk and File System Management 3-11 2. Type the following command to spin down the disk, replacing disk_name with the name of the disk from the output in Step 1: GLVNUHPRYH GLVNBQDPH After the disk stops spinning, the disk is ready to be removed. 3. Remove the disk from the filer following the inst...

3-12 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide where newvol is the name for the new volume and n is the number of disks to use. You must have at least n spare disks available. $IWHU&UHDWLQJD1HZ9ROXPH After you create a new volume on a CIFS filer, you m...

Disk and File System Management3-13 Although you can convert a mirror into a regular volume, you cannot set the snapmirrored option to on to convert a regular volume into a mirror. To start using a volume as a mirror, follow the instructions in Chapter 16, “Data Replication Using SnapMirror,” to mir...

3-14 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 4. If the filer renamed the foreign volume because of a name conflict, type the fol- lowing command to rename the volume: YROUHQDPH ROGQDPHQHZQDPH Example: The following command renames the volume vol0(1) to v...

Disk and File System Management3-15 If the failed volume was the filer’s root volume, you must designate another volume as the new root volume. )LOH6WDWLVWLFVIRU9ROXPHV +RZ'DWD217$33URYLGHV)LOH6WDWLVWLFV The filestats command provides you with a quick way to display a summary of file statistics with...

3-16 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ),/(6,=( &808/$7,9(&2817 &808/$7,9(727$/.% . . . 0 0 0 * 0$; $*($7,0( &808/$7,9(&2817 &808/$7,9(727$/.% ' ' ' ' 0$; 8,' &2817 727$/.% *,' &2817 727$/.% 8VH)LOH6WDWLVWLFVIRU6QDSV...

Disk and File System Management3-17 you can have before exceeding your space limit. In this example, 13 daily snap- shots is your limit. ([DPSOHWR'HWHUPLQH9ROXPH&DSDFLW\ You can also use the filestats command to determine when most activity occurs on a volume during a given day so that you can e...

3-18 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 6WHS To use the filestats command, enter the following command: filestats volume volume_name snapshot snapshot_name (where YROXPHBQDPH LVWKHQDPHRIWKHYROXPHDQG VQDSVKRWBQDPH LVWKH QDPHRIWKHVQDSVKRW ILOHVWDWV&am...

Disk and File System Management3-19 $ERXWWKHWLPHW\SH2SWLRQ The timetype option enables you to specify the time types that you want to list in the age comparison. Table 3-1 describes the valid timetype values you can use with the timetype option. $ERXWWKHVL]HV2SWLRQ The sizes option enables you to sp...

3-22 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide Using either of these methods takes a longer time than reverting the volume. This is because with SnapRestore, no data needs to be copied; the file system is just put back in its earlier state. SnapRestore is ...

3-24 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ‡ For example, vol1 is the source volume for data replication and it contains two snapshots: hourly.0 and filerA_vol1.2 . If hourly.0 was taken earlier than filerA_vol1.2 and you revert vol1 to hourly.0 , you ...

Disk and File System Management3-25 5HYHUWLQJD9ROXPHWRD6HOHFWHG 6QDS6KRW 'HVFULSWLRQ Use SnapRestore to revert a volume to a snapshot. You can use this feature at any time. After you enter the command for reverting a volume, the filer reboots with the volume containing the same data as it did when t...

Network Administration 4-1 & + $ 3 7 ( 5 1HWZRUN$GPLQLVWUDWLRQ :RUNLQJ:LWK/DUJH)LOHV $ERXW/DUJH)LOHV You can have large files on your filer. The maximum size of a large file is determined by the smaller of the following two values: ‡ Maximum file size supported by your server ‡ Maximum file size...

4-4 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide $ERXW0,%*URXS&RQWHQWV The top-level groups in the custom MIB and the information they contain are described in Table 4-1. $ERXW7UDSV You use the snmp traps command to inspect the value of MIB variables peri...

Network Administration 4-5 +RZWR'HILQH7UDSV You define or change a user-specified trap using the following snmp traps command: WUDSV WUDSQDPH SDUDPHWHU YDOXH trapname is the name of the trap. value is the value that you assign to the definition. parameter must be a parameter listed in the Table 4-2....

Network Administration 4-7 1DPH5HVROXWLRQ6HDUFK By default, first the filer tries to resolve host names locally by searching the /etc/hosts file in the root volume and in the /etc/nsswitch.conf file in the root volume. If it cannot resolve the host name, the filer tries NIS, if NIS is enabled. If th...

4-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ([DPSOH6HDUFK2UGHU You can list services in the order in which you want the filer to contact the services. For example, the following file instructs the filer to contact first NIS for hosts, then DNS, and final...

Network Administration 4-11 Enabling NIS during setup: During setup , the following prompt appears: 'R\RXZDQWWRUXQ1,6&OLHQW>Q@ If you enter y , setup prompts you for an NIS domain name, as follows: 3OHDVHHQWHU1,6GRPDLQQDPH>@ Enter an NIS domain name. Enabling NIS without using setup : If y...

4-12 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 5RXWLQJ7DEOHRQWKH)LOHU For routing its own packets, the filer relies on the default route and explicit routes. Typically, the filer learns explicit routes through icmp redirect messages received from the defau...

Network Administration 4-13 You turn the routed daemon Off and On with the routed command. To turn the routed daemon Off, enter routed off To turn the routed daemon back On, enter routed on NOTE: If you turn the routed daemon Off by editing /etc/rc in the root volume, man- ually designate a default ...

Network Administration 4-15 8VLQJLIFRQILJWR&RQILJXUHDQ,QWHUIDFH $ERXWWKHLIFRQILJ&RPPDQG The /etc/rc file in the root volume contains ifconfig commands to configure net- work interfaces, including virtual interfaces, at system boot. You can also manually use the ifconfig command when the syst...

Network Administration 4-17 (GLWHWFUF)LOHWR0DNH&KDQJHV3HUVLVWHQW$IWHU5HERRW If you want changes made with ifconfig to remain in effect after a reboot, include the ifconfig commands in the /etc/rc file. 9LHZLQJ,QWHUIDFH&RQILJXUDWLRQ,QIRUPDWLRQ Table 4-7 illustrates examples of how to use the ...

Network Administration 4-19 6LQJOH0RGH7UXQNV In a single-mode trunk, only one of the interfaces is active. The other interfaces are on standby, ready to take over if the active interface fails. In Figure 4-3, e0 and e1 are part of the SingleTrunk1 single-mode trunk. The active interface, e0 , fails....

4-20 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide )LJXUH0XOWLSOH0RGH7UXQNV +DUGZDUH5HTXLUHPHQWVIRU7UXQNV To use a multiple-mode trunk, you need a switch that supports manually configurable trunking over multiple port connections. The switch determines how to ...

Network Administration 4-21 7UXQNLQJ9LUWXDO,QWHUIDFHV <RX&DQ7UXQN9LUWXDO,QWHUIDFHV You create a trunk of virtual interfaces to eliminate a switch as a single point of failure. A trunk of virtual interfaces is known as a second-level virtual interface. NOTE: With second-level interfaces, if a ...

4-22 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide )LJXUH6HFRQG/HYHO9LUWXDO,QWHUIDFHRQD6LQJOH)LOHU In Figure 4-5, Secondlev is the second-level virtual interface and is composed of the two virtual interfaces Firstlev1 and Firstlev2 . Firstlev1 is initially the...

Network Administration 4-23 &UHDWLQJD6LQJOH0RGH7UXQN 'HVFULSWLRQ Use this procedure to create a trunk in which only one interface is active at a time, thereby ensuring access to a network. After you complete this procedure, the inter- faces you specify are combined into a trunk in which one inte...

4-24 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide After you complete this procedure, the link you specify is the active link and the other links are not active. NOTE: If no links are preferred, the active link is selected randomly. 6WHS To specify an interfac...

Network Administration 4-25 3UHUHTXLVLWHV You need the following items to complete the procedure: ‡ A switch that supports manually configurable trunking configured according to the manufacturer’s instructions for a multiple-mode trunk. ‡ A name for the trunk that meets the following criteria:— It m...

Network Administration 4-29 'HVWUR\LQJD7UXQN 'HVFULSWLRQ Use this procedure to destroy or delete a trunk. You destroy a trunk when you cease needing it or want to use the interfaces for other purposes than a trunk. After you complete this procedure, the interfaces in the trunk act individually rathe...

4-30 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide :KHUHWR/RRNIRU'DWDEDVH)LOH9HULILFDWLRQ,QVWUXFWLRQV See the documentation for your specific database software for instructions about examining database file validity. (UURU0HVVDJH([DPSOH When you enable nvfail ...

Network Administration 4-31 (QDEOLQJDQG'LVDEOLQJ'DWDEDVH)LOH 3URWHFWLRQ:LWKQYIDLO 'HVFULSWLRQ Use the nvfail option with the vol options command to provide database file protection by turning NVRAM error processing On or Off. The default setting is Off. 6WHSWR(QDEOHQYIDLO To enable the nvfail option...

4-32 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 2. List the path name and file name, one file per line, within the nvfail_rename file; for example: /vol/vol1/home/dbs/oracle-WG73.dbf 3. Save the file.

5-6 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide that has access from a CIFS client, the filer creates and maintains two names: the original long name and an additional short name in 8.3 format. +RZWKH)LOHU*HQHUDWHV6KRUW)LOH1DPHV The filer generates an 8.3 fi...

5-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide NOTE: If a filer is licensed for CIFS, you must set a language for every volume on the filer. :KDWD/DQJXDJH$SSOLHVWR The filer uses a character set appropriate to a given language. The language you select deter...

File Sharing Between NFS and CIFS Users 5-9 /DQJXDJHV6XSSRUWHG The filer supports the languages shown in Table 5-2. The language code for each lan- guage appears next to the language. To override the normal UNIX character set so that a UNIX system uses UTF-8 code, add .UTF-8 to the language code. Yo...

5-12 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ‡ sgml—SGML character format. You can use both NFS extended (greater than 0x7F) and SGML characters for input. ‡ utf8—UTF-8 character sets. For input, any character greater than 0x7F is treated as the beginnin...

File Sharing Between NFS and CIFS Users5-13 language of the root volume, which is the default language. You use this procedure any time you want to create a volume. After you complete the procedure, the filer stores file names in the volume you cre- ated using a character set that best fits the lang...

5-14 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 6DPSOH2XWSXW Each row of the list displays the name of the volume, the language code, then the language. Volume Language vol0 ja (Japanese euc-j) &,)6)LOH1DPH&DVH &DVH3UHVHUYDWLRQ By default, the f...

5-16 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide +RZWR6SHHG8S'LUHFWRU\&RQYHUVLRQ If you have a directory that contains more than 50,000 files, before triggering a con- version, you can use an NFS client to distribute files among a greater number of subdi...

5-18 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ‡ Troubleshoot file access and other problems by displaying what name mappings would be, as described in “Displaying a Mapping Result for a UNIX Name” on and “Displaying a Mapping Result for a Windows Name.” 7...

5-20 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 6WHS To change how long each WAFL credential cache entry is valid, enter the following command: options wafl.wcc_minutes_valid n n is the number of minutes you want each entry to be valid. It can range from 1 ...

File Sharing Between NFS and CIFS Users5-21 'HOHWLQJ(QWULHV)URPWKH:$)/&UHGHQWLDO &DFKH 'HVFULSWLRQ This procedure deletes entries from the WAFL credential cache. You do this to force the lookup of UIDs the next time they are used, but you don’t want to wait until the entries time out automat...

File Sharing Between NFS and CIFS Users5-23 NT membership NT-DOMAIN\mday NT-DOMAIN\Domain Users NT-DOMAIN\Domain Admins NT-DOMAIN\SU Users NT-DOMAIN\Installers BUILTIN\Users BUILTIN\Administrators User is also a member of Everyone, Network Users, Authenticated Users *************** hawleyr (UID 1129...

File Sharing Between NFS and CIFS Users5-25 'LVSOD\LQJD0DSSLQJ5HVXOWIRUD :LQGRZV1DPH 'HVFULSWLRQ This procedure displays what the current mapping of the specified UNIX name of a Windows NT account would result in, but does not change the WAFL credential cache itself. You use this procedure if a Wind...

5-26 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 7RJJOLQJ&,)6/RJLQ7UDFLQJ 'HVFULSWLRQ You can enable login information to be displayed after every CIFS login. You can do this any time you need to troubleshoot mapping problems. Login problems are often th...

NFS Administration 6-1 & + $ 3 7 ( 5 1)6$GPLQLVWUDWLRQ This chapter has the following three sections: ‡ Managing NFS Exports ‡ Configuring a Filer for WebNFS ‡ Displaying NFS Statistics 0DQDJLQJ1)6([SRUWV ,QWURGXFLQJWKHHWFH[SRUWV)LOH HWFH[SRUWV&RQWUROV&OLHQW$FFHVVWR'LUHFWRULHV The /etc/e...

6-2 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ([SRUW6SHFLILFDWLRQ'HWHUPLQHV$FFHVV3ULYLOHJHV The export specification specifies the privileges that clients have to mount and access the filer directory path. The format is as follows: -root= list,-access=list...

6-4 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ([DPSOH The following lines show exports that the filer allows: /vol/vol0 -access=adminhost,-root=adminhost /vol/vol0/home -access=blender:mixer 1RQH[DPSOH The following lines show exports that are not allowed ...

NFS Administration 6-5 &$87,217RHQVXUHWKDWWKHHQWULHVLQWKH HWFH[SRUWV ILOHUHPDLQYDOLG DOZD\VHGLWWKHHQWULHVLQWKHILOHWRUHIOHFWYROXPHQDPHFKDQJHVLPPHGL DWHO\DIWHUUHQDPLQJYROXPHV 'HIDXOWHWFH[SRUWV(QWULHV YROYRODQGYROYROKRPH$UH([SRUWHGE\'HIDXOW By default, the root volume ( /vol/vol0 ) and the /vol/vol...

6-6 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 5HVWULFWLQJ$FFHVVWRKRPH You can restrict access to the /home directory to particular groups by ‡ using the chmod command to change access modes for the directory ‡ using the -rw or -access options in the /etc/e...

NFS Administration 6-7 7KHUZ2SWLRQ The -rw option lists the hosts that can modify the exported directories; hosts not listed by the -rw option have read privilege only. 6\QWD[ The syntax for the -rw option is as follows: -rw= hostname[:...:hostname] /LPLWV You can specify 1 to 256 host names with th...

NFS Administration 6-11 ([SRUWLQJWR6XEQHWV $ERXW([SRUWLQJWR6XEQHWV You can export a directory to clients on a subnet rather than to individual clients. 9DOLG([SRUW2SWLRQVIRU6XEQHWV The valid export options in the /etc/exports file for exporting to subnets are as follows: -ro= subnet_address[:subnet_...

NFS Administration 6-15 'LVSOD\LQJ1)66WDWLVWLFV $ERXW'LVSOD\LQJ1)66WDWLVWLFV 7KHQIVVWDW&RPPDQG'LVSOD\V1)6DQG53&6WDWLVWLFV The nfsstat command displays statistics about NFS and Remote Procedure Calls (RPCs) for the filer. You can use the output of this command to find performance bot- tleneck...

6-16 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ([DPSOHQRRSWLRQV The following lines show the output of the nfsstat command when you specify no options: nfsstat Server rpc: TCP: calls badcalls nullrecv badlen xdrcall 0 0 0 0 0 UDP: calls badcalls nullrecv b...

6-18 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide Server nfs: calls badcalls 33345 0 Server nfs V2: null getattr setattr root lookup readlink read 0 0% 8410 25% 19 0% 0 0% 13687 41% 42 0% 489 22% wrcache write create remove rename link symlink 0 0% 3225 10% 1...

CIFS Administration 7-1 & + $ 3 7 ( 5 &,)6$GPLQLVWUDWLRQ :KDW,V&,)6" CIFS (Common Internet File System) is a file-sharing protocol based on the Server Message Block (SMB) protocol widely in use by personal computers and workstations running a wide variety of operating systems. CIFS p...

7-4 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide the rare case that you must add a user explicitly, you can do so with the methods described in this section. You can add CIFS users to the filer at any time. The method you use for adding users to the filer dep...

CIFS Administration 7-5 7DEOH /etc/usermap.cfg )RUPDW9DULDEOHV The following symbol conventions are in effect: ‡ An asterisk (*) matches any name. For example, to map all unmapped users to the UNIX “nobody” account, add the following line: * nobody ‡ The null string (“”) matches no name and rejects ...

7-6 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 1DPHUHTXLUHPHQWV Windows NT and UNIX names have different requirements, as follows: ‡ Windows NT names are case-insensitive and can contain non-ASCII characters within the character set in the current code page...

CIFS Administration 7-7 7. To add a member, type a user or group name in the Members list box or use the Add Users and Groups window, as described in Step 8. $GGLQJDQDPHZLWKWKH$GG8VHUVDQG*URXSVZLQGRZ 8. Click Add. Result: The Add Users and Groups window appears. 9. Click the arrow next to the List N...

7-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 81,;([DPSOH For example, using rsh on the administration host, you can set access rights for a specific user as follows: UVKOURRWQILOHUFLIVDFFHVVKRPHMVPLWKU[ In this example, the filer name is filer, the user i...

7-10 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 6HWWLQJ8SD*HQHULF8VHU$FFRXQW To set up a generic user account, use one of the following options commands with an account name to use as an argument as shown in Table 7-3: 7DEOH*HQHULF8VHU$FFRXQWRSWLRQV&RPP...

7-14 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 7DEOH&UHDWLQJD6KDUH:LWKFLIVVKDUHV&RPPDQG ([DPSOH The following example creates a new share called library : FLIVVKDUHVDGGOLEUDU\YROYROKRPHOLE®1HZILOHOLEUDU\® This example creates the library share and ...

CIFS Administration 7-15 8VLQJWKHFLIV VKDUHV&RPPDQGWR&KDQJHWKH6KDUH To change the description, forced file ownership, and user limits of a share, use the following command: FLIVVKDUHVFKDQJH VKDUHQDPH >FRPPHQW GHVFULSWLRQ _QRFRP PHQW@> IRUFHJURXS JURXSQDPH _QRIRUFHJURXS@ >PD[XVHUV Q ...

7-16 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide To display information about shares, do either of the following: ‡ From the Windows NT desktop, use Server Manager as described in “Using Server Manager to View Information about Shares.” ‡ From the filer, use...

CIFS Administration 7-17 The sample output is from cifs shares : 1DPH0RXQW3RLQW'HVFULSWLRQ +20(YROPXIILQKRPH'HIDXOW6KDUH HYHU\RQH)XOO&RQWURO WHFKSXEV^J`)XOO&RQWURO &YROPXIILQ5HPRWH $GPLQLVWUDWLRQ HYHU\RQH)XOO&RQWURO %8,/7,1?$GPLQLVWUDWRUV)XOO&RQWURO RSHQKRPHYROPXIILQZULWHUVBKRPHU...

CIFS Administration 7-21 ‡ From the filer command line, do one of the following:a. Add access with the cifs access command, as described in “Giving Access With the Cifs Access Command.” b. Remove a user or group with the cifs access -delete command, as described in “Removing a User or Group With the...

CIFS Administration 7-23 5HPRYLQJD8VHURU*URXS:LWKWKHFLIVDFFHVVGHOHWH &RPPDQG If a user or group no longer exists, you can remove the corresponding entry from an ACL. Use the following command syntax to remove an entry in an ACL: FLIVDFFHVVGHOHWH VKDUH XVHU _ JURXS Following are some examples of ...

7-26 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 4. In the Server Manager window, from the Computer menu, choose Send Message. Result: The Send Message window appears. 5. Enter a message in the text box of the Send Message window. 6. Click OK to send the mes...

CIFS Administration 7-27 (YHQW/RJ'HWDLO'LVSOD\V +RZWR([DPLQHDQ(YHQWLQ'HWDLO You examine an event in detail by double-clicking it and looking at the resulting event details display. There are the following kinds of event details displays: ‡ Windows file access detail displays ‡ UNIX file access detai...

7-30 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 6WHS To disable CIFS access logging, enter the following command: RSWLRQVFLIVDFFHVVBORJJLQJHQDEOHRII 6SHFLI\LQJWKH$FWLYH(YHQW/RJ 'HVFULSWLRQ Use this procedure to specify the active event log. You follow this ...

CIFS Administration 7-31 6WHSV To set a SACL on a file, complete these steps; 1. Right-click the file you want to monitor. Result: The Properties tab for that file appears. 2. Click the Security tab. Result: The Security properties window appears. 3. Click the Auditing button. Result: A blank File A...

CIFS Administration 7-33 8VLQJ2SORFNV :KDW2SORFNV'R Oplocks (opportunistic locks) enable the redirector on a CIFS client in certain file- sharing scenarios to perform client-side caching of read-ahead, write-behind, and lock information. A client can then work with a file (read or write it) without ...

CIFS Administration 7-37 17PHPEHUVKLS :17'20$,1?URRW :17'20$,1?'RPDLQ8VHUV :17'20$,1?'RPDLQ$GPLQV :17'20$,1?688VHUV :17'20$,1?,QVWDOOHUV %8,/7,1?8VHUV %8,/7,1?$GPLQLVWUDWRUV 8VHULVDOVRDPHPEHURI(YHU\RQH1HWZRUN8VHUV $XWKHQWLFDWHG8VHUV 6WRSSLQJDQG5HVWDUWLQJ&,)66HVVLRQV :D\VWR6WRS&,)66HVVLRQV If...

7-38 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 6. To disconnect one or more users, do one of the following: ‡ To disconnect a single user or selected users, select them, then click Disconnect. ‡ To disconnect all users, click Disconnect All. Result: The se...

8-2 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide NOTE: If you want these options to remain active after rebooting, you must add them to the /etc/rc file. The procedure for starting HTTP service is now complete, and clients can display text files under the roo...

HTTP Administration 8-3 7KHHWFKWWSGDFFHVV)LOH The /etc/httpd.access file contains directives that govern authentication for each direc- tory. The filer supports the following directives: ‡ directory ‡ AuthName ‡ require user ‡ require group These directives are compatible with the Apache Web server ...

8-4 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide The pairs are copied in from a machine on which the user has a password. 7KHHWFKWWSGJURXS)LOH The /etc/httpd.group file contains a group_id and a list of user_ids in that group in the following format: JURXSBLG...

HTTP Administration 8-5 8VLQJWKH+7739LUWXDO)LUHZDOO $ERXWWKH+7739LUWXDO)LUHZDOO The HTTP virtual firewall feature enables you to maintain security on your filer. You can restrict HTTP requests by marking the subnetwork interface over which they arrive as “untrusted.” An untrusted interface provides ...

8-6 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ‡ map virtual host addresses to the virtual host interface with the ifconfig command 'LUHFWLQJ+7735HTXHVWV To direct HTTP requests, use the following format in the /etc/httpd.hostprefixes file as shown in Table...

8-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide on the client is configured to start a graphics program as a helper application, the user can view a file named file.pict as a graphics file on the client. 7UDQVODWLQJ85/V +RZWKH)LOHU5HVSRQGVWR85/V You can spec...

HTTP Administration 8-11 192.7.15.6 - - [26/Aug/1996:16:45:51] "GET /logo.gif" 200 1763 198.9.200.2 - - [26/Aug/1996:16:45:57] "GET /task/top.html" 200 334 192.9.20.5 authuser [26/Aug/1996:16:45:57] "GET /task/head.html" 200 519 'LVSOD\LQJ+7736WDWLVWLFV KWWSVWDW6WDWLVWLF7\SHV...

Snapshots 9-1 & + $ 3 7 ( 5 6QDSVKRWV 8QGHUVWDQGLQJ6QDSVKRWV :KDW,VD6QDSVKRW" A snapshot is a read-only copy of the entire file system—it reflects the state of the file system at the time the snapshot was created. $FFHVVLQJ6QDSVKRWV Any client of a filer can access snapshots to recover old v...

9-2 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 6QDSVKRWV0DLQWDLQ2ULJLQDO)LOH3HUPLVVLRQV Snapshot files carry the same permissions and inode numbers as the original files, keeping the integrity of the security system intact. Inodes are data structures that h...

9-4 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 6QDSVKRW&RPPDQGVDQG2SWLRQV 6QDSVKRW&RPPDQGV The commands related to snapshots are listed in Table 9-1. If the volume name is omitted in any of these commands, the command applies to the root volume. 6QD...

Snapshots 9-5 $XWRPDWLF6QDSVKRW&UHDWLRQ The filer uses the snap sched command to create snapshots automatically and to keep them on-line for a predetermined amount of time. 7\SHVRI$XWRPDWLF6QDSVKRWV Table 9-3 describes the three types of automatic snapshots. 7DEOH$XWRPDWLF6QDSVKRW7\SHV 7\SH 'HVF...

9-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ([DPSOH For example, if you want to create two snapshots for the volume named vol1 each week, you can set up a cron job on the administration host to run twice each week at an appropriate time to execute the fo...

Snapshots 9-11 (IIHFWVRI6QDSVKRWVRQ4XRWDV Quotas do not count disk space consumed by snapshots. If snapshots were included in the quota calculations, users could end up in a state where they could not create any new files until all snapshots containing their old files expired. 0DQDJLQJ6QDSVKRW'LVN&a...

9-14 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide If you do not want the total amount of disk space consumed by all snapshots to exceed a certain percentage of the used disk space, use the cumulative values in the snap list output to determine which snapshots...

9-16 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide $FFHVVLQJ6QDSVKRWV)URP&OLHQWV $ERXW&OLHQW$FFHVVWR6QDSVKRWV Snapshots can be accessed by any user with the appropriate permissions. Every directory in the filer’s active file system contains a directory...

Snapshots 9-17 For example, at the mount point of a filer file system, a directory listing looks like this: ls -a . .. .snapshot dir1 dir2 The same command entered in a directory below the mount point does not show the .snapshot directory; for example: cd dir1 ls -a . .. file1 file2 If you enter the...

9-18 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 'HWHUPLQLQJ6QDSVKRW9HUVLRQV )URPDQ1)6FOLHQW The best way to find all versions of a particular file preserved in snapshots is to use the ls command. The following example shows how to find all versions of foo :...

qtree Administration 10-1 & + $ 3 7 ( 5 TWUHH$GPLQLVWUDWLRQ $ERXWTWUHHV A qtree is a special subdirectory of the root directory of a volume. TWUHH3DUDPHWHUV You can set the following parameters on a qtree: ‡ security style: NTFS (Windows NT file system), UNIX, or mixed ‡ oplocks setting: On or O...

10-2 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 8VLQJTWUHHV :KDW<RX&DQ'R:LWKTWUHHV You can use qtrees in the following two ways: ‡ Group files that have the same security style and oplocks setting, such as files related to a particular activity, for ...

qtree Administration 10-3 0RYLQJ)LOHV%HWZHHQTWUHHV In UNIX, you cannot move a file into or out of a qtree with a rename operation. As a result, the mv command on some UNIX systems fails if you try to move a file into or out of a qtree. You can always move the file by copying it, then deleting the or...

qtree Administration 10-5 TWUHH)LOH$FFHVV0RGHOV .LQGVRI)LOH$FFHVV0RGHOV You can use the following four file access models in working with qtrees: ‡ CIFS user accessing a file with Windows NT security ‡ CIFS user accessing a file with UNIX security ‡ NFS user accessing a file with Windows NT security...

10-6 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ‡ Windows NT permissions for Everyone are mapped to UNIX Group and UNIX Other permissions. 1)6$FFHVVWR81,;)LOHV NFS accesses to UNIX files obey UNIX security rules. &UHDWLQJDTWUHH +RZWR&UHDWHDTWUHH To ...

qtree Administration 10-7 0RGLI\LQJWKH6HFXULW\6W\OHRIDTWUHH :KHQWR&KDQJHWKH6HFXULW\6W\OHRIDTWUHH There are many circumstance under which you might want to change qtree style. Two examples are ‡ Because the default security style of a qtree is that of its root volume, you might want to change the...

10-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide &KDQJLQJ2SORFNV6HWWLQJV To change the oplocks setting of a qtree, follow these steps: 1. Make sure that the cifs.oplocks.enable option is set the way you want. 2. Use the qtree oplocks command, as follows:...

Quotas and Maximum Number of Files11-1 & + $ 3 7 ( 5 4XRWDVDQG0D[LPXP1XPEHURI )LOHV 5HVWULFWLQJRU7UDFNLQJ'LVN8VDJHE\ 8VLQJ'LVN4XRWDV $ERXW'LVN4XRWDV Filer disk quotas restrict disk space and the number of files used by a user, a group, or a qtree. For information about how to create a qtree, ref...

11-2 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 4XRWD7DUJHW)LHOG Specifies the user, group, or qtree on which you want to impose restrictions. You can assign more than one quota to a user or group, but only one quota to a qtree. The entries can be in any or...

Quotas and Maximum Number of Files11-3 you have not specified a user quota in the quotas file can use up to 500 MB of disk space. To override a default for a specific user or group, specify a quota for that user or group. 7\SH)LHOG You can enter one of the following values in the Type field to defin...

Quotas and Maximum Number of Files11-5 ‡ There is no limit as to how much disk space or how many files the user mfisher can use. You can, however, use the quota report command to display the amount of disk space and the number of files used by this user. Both user and group quotas apply to the entir...

Quotas and Maximum Number of Files11-7 Because the quota target now has an active quota record, you can enter the quota resize command, including the volume name, to make the quota entry go into effect. This procedure takes less time than executing the quota off command fol- lowed by the quota on co...

11-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide Alternatively, if jdoe is already under quota restriction, for example, if his files were restricted by a default user quota, enter the following command so that the user quota you just created can take effect...

Quotas and Maximum Number of Files11-9 :KHQ4XRWDV$UH([FHHGHG This section describes how the filer responds when quotas are exceeded and what users see on the client systems. 0HVVDJHV'LVSOD\HGE\WKH)LOHU:KHQ4XRWDV$UH([FHHGHG When it receives a write request, the filer first determines whether the file...

11-10 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 0HVVDJHV'LVSOD\HGRQ&,)6&OLHQWV If a write from a CIFS client to a filer causes a quota to be exceeded, the user experi- ence depends on the operating system and the application. Following are two exam...

Quotas and Maximum Number of Files11-11 Information generated by the maxfiles command is available through SNMP using the Dell custom MIB. For more information about the MIB, see “About the Dell Cus- tom MIB” in Chapter 4. 7KHGI&RPPDQG $ERXWWKHGI&RPPDQG To verify the amount of free disk spac...

11-12 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide In this way, the filer takes the qtrees into consideration when responding to a df command from a client and returns the amount of free space in each qtree, as opposed to the space available in the entire fil...

Data Backup 12-1 & + $ 3 7 ( 5 'DWD%DFNXS ,QWURGXFWLRQWR'DWD%DFNXS 0HDQLQJRI'DWD%DFNXS Data backup means copying data from disk to tape. While the filer dump command enables you to copy data to standard output, this chapter mainly discusses how to copy data to tape. :K\<RX:DQWWR%DFN8S'DWD)URP...

12-2 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide +RZWKHGXPS&RPPDQG:RUNV 3XUSRVHRIWKHGXPS&RPPDQG The dump command writes file system data from disk to tape in a format that enables you to restore the data to a filer using the filer’s restore command o...

12-6 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide +RZWKHGXPS&RPPDQG:ULWHVDQG 6WRUHV'DWDRQ7DSH $ERXW7KLV6HFWLRQ The dump command transfers a number of blocks of data at a time to an output file on tape. This section provides information about how the comma...

Data Backup 12-7 A tape can contain multiple tape files, but any tape must contain at least one com- plete tape file. 'LIIHUHQW7\SHVRI7DSH)LOHV The dump command can use these types of tape files: ‡ Local or remote. (Refer to “Devices Used by the Dump Command” for more information about where the tap...

12-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 6WHSVIRU(VWLPDWLQJWKH$PRXQWRI'DWDLI<RX%DFN8S 'DWD1RW,Q$TWUHH The procedure for estimating the amount of backup data depends on whether the filer is mounted on an NFS client or is shared by a CIFS client. ,I...

Data Backup 12-9 you to load additional tapes. If you start the dump command through rsh , you do not see the prompts from the filer and the dump command cannot be com- pleted because of the lack of tapes. 3UHUHTXLVLWHV You must meet these prerequisites before you can determine the number of tape fi...

12-10 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide *HQHUDO3UHUHTXLVLWHV You must meet these prerequisites for the dump command to run successfully: ‡ You must have enough tape space for the backup. Refer to “Determining the Number of Tapes for the Backup” to ...

Data Backup 12-11 5HFRPPHQGDWLRQVIRU3HUIRUPLQJD %DFNXS $ERXW7KLV6HFWLRQ Some recommendations in this section are applicable to all kinds of backups; some recommendations depend on your priorities, such as your need to minimize backup time or to minimize tape handling. *HQHUDO5HFRPPHQGDWLRQV Follow t...

12-12 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 8VH0XOWLSOH/RFDO7DSH'ULYHV Attach the maximum number of tape drives to the filer. The filer can write faster to a local tape drive than to a tape drive attached to another system. 2UJDQL]H'DWDWREH%DFNHG8S The...

Data Backup 12-13 7KHGXPS&RPPDQG6\QWD[ &RPPDQG6\QWD[ The dump command syntax is as follows: dump [ option argument ] path 5XOHVIRU(QWHULQJWKHGXPS&RPPDQG The following list describes the rules for entering the dump command: ‡ option can be a list. You must list all options together; do no...

12-14 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide The argument for the f option is rst0a (the tape file name), and the argument for the b option is 63 (blocking factor). The rst0a and 63 arguments must be listed in the same order as the f and b options. 3DWK...

Data Backup 12-17 ([DPSOHRIDQ,QFUHPHQWDO%DFNXSWRD/RFDO7DSH'ULYH ‡ dump 1uf nrst0a /vol/vol1 The command performs a level-1 backup of the /vol/vol1 volume to nrst0a . This means that only files that have changed since the most recent level-0 backup are written to tape. After the command is finished, ...

12-18 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide command fails. The l option specifies that you interactively enter the names of individual files and directories to be backed up from the /vol/vol1/home directory. The filer displays some messages and a promp...

12-20 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 7DEOH6DPSOHRI%DFNLQJ8SWR7DSH6WDFNHU6KDUHGE\ 0XOWLSOH)LOHUV 'D\RIZHHN GXPSFRPPDQGVRQHDFKILOHU Sunday filer1: dump 0uf urst0a,urst0a,urst0a /vol/vol1 filer3: dump 1uf filer1:nrst1a /vol/vol6 filer2: dump 2uf fi...

13-2 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide :KHQ<RX'R1RW5HFRYHU'DWD)URP7DSH Recover a deleted file from tape only if you cannot recover the deleted file from any snapshot on the filer. If the file is in a snapshot, copying the file to the active file...

Data Recovery 13-3 5XOHVIRU8VLQJWKHUHVWRUH&RPPDQG Follow these rules when you enter the restore command: ‡ Specify no more than one function key. ‡ Specify multiple options without intervening spaces. ‡ Enter the arguments for each option in the order that you specify the options. Separate each ...

13-4 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 8VLQJWKHUHVWRUH&RPPDQG 'HVFULSWLRQ Use the restore command if you want to recover data that was backed up by the filer’s dump command. After you recover the data, the files contain the same data as they di...

Data Recovery 13-5 7KHL)XQFWLRQ.H\RIWKH6RODULV8IVUHVWRUH&RPPDQG The restore command is similar to the Solaris ufsrestore command, except that the restore command doesn’t support the i function key of ufsrestore . This function key enables you to specify interactively individual files and directo...

13-6 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ‡ It is less likely that someone inadvertently terminates the restore command. If you enter a restore command on the console, it could be terminated by a Ctrl-C entered on a host connected to the filer using t...

Data Recovery 13-7 5. Enter the restore command to recover the entire volume. Example: UHVWRUHUI'UVWDYROYRO 6. Enter the restore command to restore each qtree in the volume. Examples: UHVWRUH[I'UVWDYROYRO17XVHUV17XVHUV UHVWRUH[I'UVWDYROYRO81,;XVHUV81,;XVHUV ([DPSOHVRIWKHUHVWRUH&RPPDQG ([DPSOHRI5...

13-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ([DPSOHRI5HVWRULQJWKH(QWLUH)LOHU To restore the entire filer, repeat the procedure described in this section for each vol- ume. This section assumes that you already initialized the disks on your filer. ,I7KHU...

13-10 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ([DPSOH The subtree containing the directory to be restored was backed up to two tapes: restore xf rst0a /test In this command, you must specify the tape device for the first tape; it is rst0a in this example...

13-12 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide +RZWR8VHD)LOHU7DSH'ULYHWR5HVWRUH )LOHVWR$QRWKHU6\VWHP $ERXW7KLV6HFWLRQ This section describes the requirements for using commands such as ufsrestore on another system to restore data from a tape drive attache...

14-2 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 'LVSOD\LQJ7DSH'HYLFH,QIRUPDWLRQ 'HVFULSWLRQ Before you use the dump command to back up to a tape device attached to the filer, verify that the filer detects the device. Also, verify the device name to be inclu...

Tape Device Management 14-3 'LVSOD\LQJ7DSH'HYLFH,QIRUPDWLRQ$ORQJ:LWK2WKHU )LOHU,QIRUPDWLRQ You can use the sysconfig -v command to display the filer hardware information. Look for the information about the SCSI adapter to which the tape devices are attached. ([DPSOHRIWKHV\VFRQILJW&RPPDQGIRUD4XDO...

14-4 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide In this example, a tape library with SCSI ID 6 is attached to slot 6 of the filer. ([DPSOHRIWKHV\VFRQILJY&RPPDQG The following example shows a tape stacker with SCSI ID 6 and a tape drive with SCSI ID 4 at...

Tape Device Management 14-5 $SSHQGLQJD'XPS To skip over a previously created dump file and append a dump on a tape device, use the fsf command, as in the following example: mt -f nrst0a fsf 1 5HZLQGLQJD7DSH To rewind a tape, use the rewind command, as in the following example: mt -f nrst0a rewind 7D...

Volume Copy Using the vol copy Command Set15-1 & + $ 3 7 ( 5 9ROXPH&RS\8VLQJWKHYROFRS\ &RPPDQG6HW $ERXW7KLV&KDSWHU 2YHUYLHZRI9ROXPH&RS\ The filer can copy data from one volume to another volume at a given time. The result of copying a volume is an off-line volume containing the s...

Volume Copy Using the vol copy Command Set15-3 5HTXLUHPHQWVDQG5HFRPPHQGDWLRQ)RU &RS\LQJD9ROXPH 5HTXLUHPHQWVIRU&RS\LQJD9ROXPH The filers involved in a volume copy operation must meet several requirements for data to be copied successfully. The following list is a brief description of these re...

15-4 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide NOTE: The vol offline command takes effect only after you reboot the filer. 9HULI\LQJWKH6L]HRI(DFK9ROXPH The capacity of the destination volume must be greater than or equal to the capacity of the source volum...

Volume Copy Using the vol copy Command Set15-7 :KHQWR8VHWKH9ROXPH&RS\2SHUDWLRQ1XPEHU You need the volume copy operation number if you want to stop a volume copy oper- ation or change the volume copy operation speed. For more information about obtaining the volume copy operation number, see “Chec...

15-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide that performs the local copying. The filer cannot support these two additional volume copy operations because three operations are already in progress. 3RVVLEOH(UURUV If your filer does not meet a requirement ...

Volume Copy Using the vol copy Command Set15-9 This command displays the status for a specified volume copy operation. If you do not specify the operation number, the command displays the status of all volume copy operations in progress. In the command output, the operations are differentiated from ...

Volume Copy Using the vol copy Command Set 15-11 'LVSOD\LQJWKH'HIDXOW6SHHGIRU&RS\LQJD9ROXPH Before starting the vol copy start command, you can verify the default speed for all volume copy operations using the following command: options vol.copy.throttle It displays the value (1 through 10) to b...

Data Replication Using SnapMirror16-1 & + $ 3 7 ( 5 'DWD5HSOLFDWLRQ8VLQJ 6QDS0LUURU $ERXW7KLV&KDSWHU 2YHUYLHZRI6QDS0LUURU The SnapMirror feature replicates data from one volume (the source) to another vol- ume (the mirror) and periodically updates the mirror to reflect incremental changes on...

16-2 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide +RZ6QDS0LUURU:RUNV &RPPDQGDQG&RQILJXUDWLRQ)LOHIRU&RQWUROOLQJ 6QDS0LUURU To use SnapMirror for replicating a volume, use the vol snapmirror command set and two configuration files: /etc/snapmirror.c...

Data Replication Using SnapMirror16-3 To replicate data for the first time, the filer transfers all data in all snapshots in the source volume to the mirror. After the filer finishes transferring the data, it brings the mirror on-line. This version of the mirror is the base line for future increment...

16-4 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 6QDSVKRWV&UHDWHG'XULQJ'DWD 5HSOLFDWLRQ 1DPLQJ&RQYHQWLRQVIRU6QDSVKRWV8VHGE\6QDS0LUURU SnapMirror creates snapshots on the source volume, which are copied to the mirror. The snapshot name is in the follo...

Data Replication Using SnapMirror16-5 When it is time to update the mirror, another snapshot is created on filerA. The snap list command on filerA generates the following display after /vol/vol1/filerB_vol2.2 is created on filerA: Volume vol1 working.... %/used %/total date name -------- ---------- ...

16-6 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide +RZ6QDS0LUURU:RUNV:LWK4XRWDV 4XRWDVRQWKH0LUURU Quotas are always disabled on a mirror, regardless of whether quotas are enabled on the source volume. If you try to enable quotas on a mirror, the filer generate...

Data Replication Using SnapMirror16-7 ‡ If you start the dump command when the filer is replicating data to the mirror, the filer stops the replication and does not update the mirror. It restarts replication after the dump command is finished. Delaying the mirror update is necessary because when the...

16-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 7KHHWFVQDSPLUURUFRQI)LOH 3XUSRVHRIWKHVQDSPLUURUFRQI)LOH The /etc/snapmirror.conf file resides on the destination filer. It controls where data is copied and how often a mirror is updated. The filer is not ship...

Data Replication Using SnapMirror16-9 5XOHVIRU6SHFLI\LQJWKH8SGDWH6FKHGXOH The schedule in each /etc/snapmirror.conf entry contains four fields: ‡ minute ‡ hour ‡ day of month ‡ day of week The fields are separated from each other by a space. If a field contains more than one value, the values are se...

16-10 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 3UHUHTXLVLWHV The following prerequisites must be met before you can replicate a volume: ‡ You must purchase the SnapMirror license. If the source volume and the mirror are on different filers, you must purch...

Data Replication Using SnapMirror16-13 5HVXPLQJ'DWD5HSOLFDWLRQIRUWKH(QWLUH )LOHU 'HVFULSWLRQ After you disable data replication, you can resume it at any time. When data replica- tion resumes, the filer copies the data from the source volume to the mirror that has changed since the last update. 3UHU...

16-14 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 6WHSVWR'LVDEOH'DWD5HSOLFDWLRQIRU2QH9ROXPH Follow these steps to disable data replication for one volume. These steps disable vol- ume replication until you reenable it. 1. Comment out the entry in the /etc/sn...

Data Replication Using SnapMirror16-15 6WHS To check the status of data replication, enter the vol snapmirror status command. Result: The filer displays a message showing whether a transfer is in progress or how much data replication has been completed. ([DPSOHV The following examples describe how t...

16-16 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 3UHUHTXLVLWH You must meet this prerequisite if the source volume and the mirror reside on differ- ent filers and you want the same quota restrictions to be applied after converting the mirror to a regular vo...

Data Replication Using SnapMirror16-17 7DEOH'LIIHUHQFHVLQYROFRS\&RPPDQGDQG6QDS0LUURU 7KHYROFRS\FRPPDQG 6QDS0LUURU It is a standard Data ONTAP 5.3 fea- ture that requires no license codes. It requires a license code. The result of copying a volume is an off-line volume. The result of replicating ...

System Information and Performance17-1 & + $ 3 7 ( 5 6\VWHP,QIRUPDWLRQDQG 3HUIRUPDQFH 'LVSOD\LQJWKH'DWD217$39HUVLRQ +RZWR'LVSOD\WKH'DWD217$39HUVLRQ To display the version of Data ONTAP currently running on a filer, use the version command. The display shows the version number and the date of the...

17-2 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ‡ Determining how much space on each disk is available to the filer. Refer to “Understanding Usable Space on Each Disk” in Chapter 3 for more information about disk capacity. ‡ Determining the status of the di...

System Information and Performance17-3 'LVSOD\LQJ5$,',QIRUPDWLRQ8VLQJ9ROVWDWXVU The vol status -r command displays a list of the RAID information. The display is the same as the sysconfig -r display. 'LVSOD\LQJ5$,',QIRUPDWLRQIRU(DFK*URXS8VLQJ9RO VWDWXVY The vol status -v command displays information...

17-4 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide $ERXWWKHXSWLPH&RPPDQG The uptime command prints the current time, the length of time the system has been up, and the total number of NFS operations the system has performed since it was last booted. ([DPSO...

System Information and Performance17-7 Table 17-4 describes the statistics in the LINK INFO section of the ifstat command output when you use the command on an Ethernet interface. *%(WKHUQHW Table 17-5 describes the statistics in the RECEIVE section of the ifstat command output when you use the comm...

System Information and Performance17-9 is rounded up to the next highest 4K boundary. If a user tries to create a file that would cause the directory to grow larger than the specified size limit, the user’s com- mand fails. %DODQFLQJ1)67UDIILFRQ1HWZRUN,QWHUIDFHV To balance network traffic among diff...

Troubleshooting 18-1 & + $ 3 7 ( 5 7URXEOHVKRRWLQJ *HWWLQJ7HFKQLFDO$VVLVWDQFH ,QIRUPDWLRQWR1RWH%HIRUH&DOOLQJIRU6XSSRUW If you encounter problems with the filer that you cannot solve, you might need to con- tact your service provider or Dell technical support for assistance. If you do, have t...

18-2 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 3URFHGXUHIRU%RRWLQJ)URP'LVNHWWH To display the boot menu from a diskette, perform the following steps: 1. Insert the diskette labeled System Boot Disk 1 into the filer’s diskette drive. NOTE: The Data ONTAP 5....

Troubleshooting 18-3 ‡ Maintenance mode boot (5) — Use Maintenance mode boot to go into Maintenance mode and perform some volume and disk operations and get detailed volume and disk information. Maintenance mode is special for the following reasons:— Most normal functions, including file-system oper...

18-4 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ,QFRQVLVWHQF\'XHWR/RJ8SGDWHVIRU2IIOLQH9ROXPH If the inconsistency is due to the log having updates for an off-line volume, the filer asks whether to discard them. ,QFRQVLVWHQF\'XHWR2WKHU5HDVRQV If there are ma...

18-6 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 'LVN)DLOXUH:LWKRXWD+RW6SDUH'LVN $ERXW7KLV6HFWLRQ This section describes how the filer reacts to a disk failure when a hot spare disk is available. )LOHU5XQVLQ'HJUDGHG0RGH If a disk fails, the filer continues t...

Troubleshooting 18-7 )LOHU5HSODFHV'LVN:LWK6SDUHDQG5HFRQVWUXFWV'DWD If a disk fails, the filer ‡ replaces the failed disk with a hot spare disk ‡ reconstructs the missing data on the hot spare disk in the background, so that the interruption to file service is minimized ‡ logs the activity in the /et...

18-8 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide ‡ The disk is specified correctly. ‡ The specified disk is a spare. (UURU0HVVDJH6\VWHP&DQQRW%RRW%HFDXVH'LVNV$UH 0LVVLQJ You might get a message similar to the following: The system cannot boot with more th...

Troubleshooting 18-9 'LVN2SHUDWLRQVLQ0DLQWHQDQFH0RGH 0DLQWHQDQFH0RGH2SHUDWLRQV Maintenance mode enables you to perform the following operations to troubleshoot disk problems: ‡ Obtain detailed device information for each disk with the disk_list command. ‡ Check access to a particular disk with the d...

18-10 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide &RQILJXUDWLRQ3UREOHPV 7KHHWFUFHWFH[SRUWVDQGHWFKRVWV)LOHV&DQ &RQWDLQ(UURUV Configuration problems usually occur in one of the three configuration files on the root volume: ‡ /etc/rc ‡ /etc/exports ...

Troubleshooting 18-11 +RZWR5HFRYHU)URP&RQILJXUDWLRQ(UURUVLI1)6,VWKH 2QO\/LFHQVHG3URWRFRO If you are running NFS only, complete the following steps to recover from configura- tion errors in the /etc/rc file. 1. Display the boot menu from diskette as described in “Booting From System Boot Diskette...

18-12 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 3. When the filer prompts you for a new password, enter it at the prompt. Results: The system prints the following message: 3DVVZRUG&KDQJHG +LW5HWXUQWRUHERRW 4. Remove the diskette from the filer’s disket...

Troubleshooting18-13 :KDWWKHSLQJ&RPPDQG'RHV The ping command checks whether the filer can communicate with other hosts on the network and that other hosts can communicate with the filer. +RZWR7URXEOHVKRRW1HWZRUN3UREOHPV If the filer should be able to connect with a host but ping does not respond...

18-14 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 1)63UREOHPV &OLHQW·V,QDELOLW\7R0RXQW'LUHFWRULHV,QGLFDWHV1)6 3UREOHPV NFS problems are indicated when the filer and the client can communicate with each other using the ping command and the client can conn...

Troubleshooting18-15 :LQGRZV$FFHVV3UREOHPV .LQGVRI$FFHVV3UREOHPV This section describes preliminary troubleshooting steps, then describes how to trou- bleshoot the following problems: ‡ “Filer can’t register with the Windows NT domain.” ‡ “Incorrect password or unknown username.” ‡ “Users can’t map ...

Troubleshooting 18-17 ,QFRUUHFW3DVVZRUGRU8QNQRZQ8VHUQDPH Use Table 18-3 to troubleshoot the problem. 7DEOH,QFRUUHFW 3DVVZRUGRU8QNQRZQ8VHUQDPH 8VHUV&DQQRW0DSD'ULYH If users get an Access Denied message, use the following decision table to trouble- shoot the problem. 7DEOH8VHUV&DQQRW0DSD'ULYH ...

Troubleshooting18-19 TWUHHV$IIHFW'LVN6SDFH'LVSOD\HGE\GI If a directory in a qtree is mounted and a client issues a df command on something under that mount point, the command shows the smaller of the client’s file system limit or the filer disk space. This makes the qtree look fuller according to th...

Detailed Options Information 19-1 & + $ 3 7 ( 5 'HWDLOHG2SWLRQV,QIRUPDWLRQ $ERXWRSWLRQV $ERXW6HWWLQJ'HWDLOHG,QIRUPDWLRQ Options are also described in other sections of this guide and in the man pages. The vol (1) man page contains information about the vol options command options. 2SWLRQ9DOXHV T...

19-2 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 7KHDXWRVXSSRUWGRLW2SWLRQ 'HIDXOW None 'HVFULSWLRQ Immediately sends an email message describing the status of the filer. A word entered as the value for the option is sent in the notification subject line and ...

Detailed Options Information 19-3 7KHDXWRVXSSRUWQRWHWR2SWLRQ 'HIDXOW None 'HVFULSWLRQ Specifies up to five recipients of an automatic short email message. Use a comma- separated list with no spaces. &,)62SWLRQV :KDWWKH&,)62SWLRQV'R The CIFS options control CIFS features on the filer. 7KHFLIV...

19-4 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 'HVFULSWLRQ When On, directories in the path to a file are not required to have the 'X' (traverse) permission. NOTE: This option does not apply in UNIX qtrees or volumes. 7KHFLIVJXHVWBDFFRXQW2SWLRQ 'HIDXOW Non...

Detailed Options Information 19-5 7KHFLIVQHWELRVBDOLDVHV2SWLRQ 'HIDXOW None 'HVFULSWLRQ Specifies a list of alternative names for the filer. Use a comma-separated list of names. 7KHFLIVRSORFNVHQDEOH2SWLRQ 'HIDXOW On 'HVFULSWLRQ When this option is On, the filer enables clients to use oplocks (opport...

Detailed Options Information 19-7 7KHFLIVV\POLQNVHQDEOH2SWLRQ 'HIDXOW On 'HVFULSWLRQ When you set cifs.symlinks.enable to On (the default setting), if the object being accessed by a CIFS client is a symbolic link, the filer follows the link with the condition that the ultimate target turns out to re...

Detailed Options Information 19-9 'HVFULSWLRQ Specifies the root directory containing files and directories that HTTP transfers to clients. 7KHKWWSGWLPHRXW2SWLRQ 'HIDXOW 900 seconds (15 minutes) 'HVFULSWLRQ Specifies the minimum amount of time, in seconds, before an idle HTTP connection times out. 7...

Detailed Options Information19-11 7KH QIVZHEQIVHQDEOH2SWLRQ 'HIDXOW Off 'HVFULSWLRQ Turns WebNFS On and Off. 7KHQIVZHEQIVURRWGLU2SWLRQ 'HIDXOW None 'HVFULSWLRQ The specified directory becomes the root or public directory for WebNFS. When a request specifies a relative path, lookups for files are don...

Detailed Options Information19-13 7KHUDLGWLPHRXW2SWLRQ 'HIDXOW 24 'HVFULSWLRQ Sets the time, in hours (from 1 through 24), that the system runs in degraded mode before an automatic shutdown. WLPHG2SWLRQV :KDWWKHWLPHG2SWLRQV'R The timed options control whether and how the filer uses the timed daemon ...

19-14 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 'HVFULSWLRQ Sets the maximum allowable discrepancy between filer time and server time. If there is a large discrepancy, it probably means that enough is wrong somewhere that the filer time should not be synch...

Detailed Options Information19-15 7KHWLPHGVHUYHUV2SWLRQ 'HIDXOW None 'HVFULSWLRQ Specifies up to five servers in order of contact priority. The value can be a list of the host names or IP addresses of up to five time servers, separated by commas. The filer goes down the list until it finds a server ...

19-16 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 'HVFULSWLRQ Prevents the update of the access time (atime) on an inode when a file is read. This option prevents inode updates from contending with reads from other files. Use it only on a filer with extremel...

Detailed Options Information19-17 7KHUDLGVL]H2SWLRQ 'HIDXOW None 'HVFULSWLRQ Sets the maximum size of a RAID group in volume . Must be an integer greater than one. 7KHURRW2SWLRQ 'HIDXOW None 'HVFULSWLRQ Makes volume the root volume. 7KHVQDSPLUURUHG2SWLRQ 'HIDXOW None 'HVFULSWLRQ The filer automatica...

19-18 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 7KHFRQVROHHQFRGLQJ2SWLRQ 'HIDXOW nfs 'HVFULSWLRQ Table 19-1 specifies how non-ASCII character information is presented. The value can be one of the following. 7KHLSPDWFKBDQ\BLIDGGU2SWLRQ 'HIDXOW On 'HVFULSWLR...

Detailed Options Information19-19 If you cannot establish a connection, set this option to Off. 7KHUVKHQDEOH2SWLRQ 'HIDXOW On 'HVFULSWLRQ Enables the rsh server on the filer. 7KHVQPSHQDEOH2SWLRQ 'HIDXOW On 'HVFULSWLRQ Enables the SNMP server on the filer. 7KHWHOQHWHQDEOH2SWLRQ 'HIDXOW On 'HVFULSWLRQ...

19-20 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide 7KHYROFRS\WKURWWOH2SWLRQ 'HIDXOW 10 'HVFULSWLRQ Specifies the default speed of vol copy operations. The speed ranges from 10 (full- speed) to 1 (one-tenth of full-speed). 7KHZDIOFRQYHUWBXFRGH2SWLRQ 'HIDXOW Of...

Detailed Options Information19-21 7KHZDIOGHIDXOWBXQL[BXVHU2SWLRQ 'HIDXOW None 'HVFULSWLRQ Specifies the UNIX user account to use when a Windows NT user attempts to log in and that Windows NT user would not otherwise be mapped. If this option is set blank, such accesses are denied. 7KHZDIOPD[GLUVL]H2...

Command Reference A-5 NAME cifs - summary of cifs commands SYNOPSIS Command Summary This is a list of the subcommands of the cifs command. cifs access Modifies share-level Access Control List (ACL) entries. cifs comment Displays/modifies the CIFS server description. cifs lookup Translates user/group...

Command Reference A-13 NAME cifs setup - configure CIFS service SYNOPSIS cifs setup DESCRIPTION The cifs setup command performs the initial configuration of the filer for CIFS. You must have installed the CIFS license before you enter this command. You must run the cifs setup command from the consol...

Command Reference A-19 NAME cifs testdc - test the filer’s connection to Windows NT domain controllers SYNOPSIS cifs testdc DESCRIPTION The cifs testdc command tests the filer’s ability to connect with Windows NT domain controllers. The output of the cifs testdc command is useful in the diag- nosis ...

A-76 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide an entry in /etc/quotas to increase a user’s quota, quota resize will cause the change to take effect. The volume name may be omitted if the system has only one volume. quota resize can be used only when quota...

A-80 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide b The next argument to restore is used as the block size of the media (in kilo- bytes). If the b option is not specified, restore tries to determine the media block size dynamically. f The next argument to res...

Command Reference A-85 In addition, when routed is running, it deletes dynamic routes, created by ICMP redirects, every 3 minutes. USAGE routed on The route daemon may be turned on at any time with the routed on command. This causes routed to read the /etc/ dgateways file, and turn on RIP snooping, ...

Command Reference A-87 NAME savecore - save a core dump SYNOPSIS savecore DESCRIPTION savecore is meant to be called near the end of the initialization file /etc/rc . Its function is to save the core dump of the system (assuming one was made) and to write the panic string to /etc/messages . savecore...

Command ReferenceA-111 vol snapmirror status displays whether SnapMirror is enabled. If so, the command displays whether the filer is copying data between the source volume and the mirror, and the percentage of data that has been copied. EXAMPLES vol create vol1 -r 10 20 creates a volume named vol1 ...

A-114 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide )LOH)RUPDWV This section contains file formats.

A-118 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide +HDGHUV7DVNVDQG0DFURV This section contains headers, tasks, and macros.

Command ReferenceA-119 NAME boot - directory of Data ONTAP 5.3 executables SYNOPSIS /etc/boot DESCRIPTION The boot directory contains copies of the executable files required to boot the filer. The download command (see download ) copies these files from /etc/ boot into the filer’s boot block, from w...

Command ReferenceA-131 NAME httpd.hostprefixes - configuration of HTTP root directories for virtual hosts SYNOPSIS /etc/httpd.hostprefixes DESCRIPTION The httpd.hostprefixes file maps virtual hosts used in HTTP to corresponding root directories. The same configuration file is used for both IP virtua...

Command ReferenceA-133 NAME httpd.mimetypes - map of file suffixes to MIME Content-Type SYNOPSIS /etc/httpd.mimetypes DESCRIPTION For HTTP/1.0 and higher protocols, a MIME header is returned in the reply of every GET request. This header includes a ”Content-Type” field, whose contents is determined ...

Command ReferenceA-145 NAME rc - system initialization command script SYNOPSIS /etc/rc DESCRIPTION The command script /etc/rc is invoked automatically during system initialization. Since the filer has no local editor, /etc/rc must be edited from an NFS client with root access to /etc . Alternately, ...

Command ReferenceA-149 NAME shadow - shadow password file SYNOPSIS /etc/shadow DESCRIPTION The shadow file provides more secure storage for the user’s password (which would otherwise be in /etc/passwd). When the password field of an entry in /etc/passwd is empty, /etc/shadow must contain a correspon...

Command ReferenceA-161 7. If a disk shelf reports errors, notification is sent with ”SHELF_FAULT!!!”. This event also sends the short note mail. 8. If one of the power supplies in the filer fails, notification is sent with ”POWER_SUPPLY_DEGRADED!!!”. This event also sends the short note mail. 9. If ...

Command ReferenceA-163 autosupport.from : Default is autosupport . Enter a user name designated as the sender of the autosupport mail. This allows replies to the mail to be received by a responsible representative at the site. options autosupport.from sysadm autosupport.doit : This is a trigger to s...

Command ReferenceA-165 NAME NIS - NIS client service DESCRIPTION The NIS client service provides information about hosts, user passwords, user groups and netgroups on a network. In NIS terminology, each of the above is referred to as the map and the specific information being looked up is called the...

Command ReferenceA-171 NAME snmpd - snmp agent daemon DESCRIPTION The filer supports an SNMP version 1 compatible agent that provides support for both the MIB-II management information base for TCP/IP based internets as well as a Dell Custom MIB. A number of user configurable options for the SNMP ag...

Command ReferenceA-173 NAME syslogd - log system messages DESCRIPTION The syslogd daemon logs system messages to the console, log files and other remote systems as specified by its configuration file, /etc/syslog.conf . The sys- logd daemon reads its configuration file when it starts up during the b...

Glossary 1 *ORVVDU\ $&/ Access control list. A list that contains the users’ or groups’ access rights to each share. DGDSWHUFDUG A SCSI card, network card, hot swap adapter card, serial adapter card, or VGA adapter that plugs into a filer expansion slot. $GGUHVV5HVROXWLRQ The procedure for deter...

Index 1 ,QGH[ $ access events, CIFS, auditing, 7-26access logging, CIFS disabling, 7-29enabling, 7-29 access rights assigning rights to users, 7-20CIFS shares, 7-20 active event log, CIFS default, 7-26specifying, 7-30 adding a foreign volume, 3-13adding disks to a volume, 3-12administration host acc...

14 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide warnings for disk failures, 3-5wcc command, 5-17WebNFS, 6-1, 6-12weekly snapshots, 9-5Windows file access detail displays, CIFS event, 7-27 Windows NT commands, performing Windows filer tasks, 1-3 < ypwhich c...