Dell NX3600 - Manual

Creating a Client Network ............................................................................................................ 58 Changing the Netmask for a Client Network ...............................................................................58 Changing the VLAN Tag for a Client Net...

Thin and Thick Provisioning for NAS Volumes ............................................................................ 90 Choosing a Strategy for NAS Volume Creation ........................................................................... 90 Example NAS Volume Creation Scenarios ..................

1 Introduction The Dell Fluid File System (FluidFS) network attached storage (NAS) solution is a highly-available file storage solution. The solution aggregates multiple NAS controllers into one system and presents them to UNIX, Linux, and Microsoft Windows clients as one virtual file server. How Po...

Term Description Fluid File System (FluidFS) A special purpose, Dell proprietary operating system providing enterprise class, high ‐ performance, scalable NAS services using Dell PowerVault, EqualLogic or Dell Compellent SAN storage systems. FluidFS Controller (NAS controller) Dell hardware device c...

Feature Description Connectivity options 1GbE and 10GbE, copper and optical options for connectivity to the client network. Highly available and active ‐ active design Redundant, hot ‐ swappable NAS controllers in each NAS appliance. Both NAS controllers in a NAS appliance process I/O. BPS allows ma...

NOTE: To identify the physical hardware displayed in PowerVault FluidFS Manager, match the Service Tag shown in FluidFS Manager with the Service Tag printed on a sticker on the front right side of the NAS appliance. All NAS appliances in a FluidFS system must use the same controllers — mixing of 1 G...

MD System The PowerVault MD array provides the storage capacity for NAS; the NX36x0 cannot be used as a stand ‐ alone NAS appliance. The MD array eliminates the need for separate storage capacity for block and file storage. SAN Network The NX36x0 shares a back ‐ end infrastructure with the MD array....

High Availability And Load Balancing To optimize availability and performance, client connections are load balanced across the available NAS controllers. Both NAS controllers in a NAS appliance operate simultaneously. If one NAS controller fails, clients are automatically failed over to the remainin...

Scenario System Status Data Integrity Comments system, same NAS applianceDual ‐ NAS controller failure in multiple NAS appliance system, separate NAS appliances Available, degraded Unaffected • Peer NAS controller enters journaling mode • Failed NAS controller can be replaced while keeping the file ...

Port Protocol Service Name 88 TCP and UDP Kerberos 123 UDP NTP 135 TCP AD ‐ RPC 138 UDP NetBIOS 139 TCP NetBIOS 161 UDP SNMP Agent 162 TCP SNMP trap 389 TCP and UDP LDAP 464 TCP and UDP Kerberos v5 543 TCP Kerberos login 544 TCP Kerberos remote shell 636 TCP LDAP over TLS/SSL 711 UDP NIS 714 TCP NIS...

2 Upgrading to FluidFS Version 3 Supported Upgrade Paths To upgrade to FluidFS version 3.0, the FluidFS cluster must be at FluidFS version 2.0.7630 or later. If the FluidFS cluster is at a pre ‐ 2.0.7630 version, upgrade to version 2.0.7680 prior to upgrading to version 3.0. The following table summ...

Feature Version 2.0 Version 3.0 command, and then repeat the upgrade: systemnetworking subnets add NEWINTER Primary255.255.255.0 -PrivateIPs x.y.z.1,x.y.z.2(where x.y.z.* is the new subnet)”. Note: If you receive this message while attempting toupgrade, obtain a Class C subnet that is not used in yo...

• Delete local user names that have a period as the last character and re ‐ create the accounts with a different name, if needed. • Change the NDMP client port to be in the range 10000–10100, if needed. You must also make the reciprocal change on the DMA servers. • Stop all NDMP backup sessions, if ...

3 FluidFS Manager User Interface Overview FluidFS Manager Layout The following image and legend describe the layout of the FluidFS Manager. Figure 2. FluidFS Manager Web User Interface Layout FluidFS Manager Sections ❶ Left-hand tabs, used to select a view topic. ❷ Upper tabs, used to select a view ...

Figure 3. Navigating Views in FluidFS Manager Working With Panes, Menus, And Dialogs Showing And Hiding Panes Panes within the main view area display FluidFS elements and settings. A pane’s contents may be hidden by clicking the button, and displayed by clicking the button. Opening A Pane Menu To mo...

Changing Settings Within A Dialog When you select a menu option, a dialog box is displayed, which allows you to modify or delete the element or setting you chose. When you edit a setting and click OK , the dialog closes and the change takes effect. 31

Accessing NAS Volume SubTopics NAS Volumes have additional configuration subtopics that are not displayed by default. To display NAS Volume subtopics and their views: 1. Enter the NAS Volumes / All NAS Volumes view. 2. In the All NAS Volumes pane, click in the row of the volume whose subtopic views ...

4 FluidFS 3.0 System Management Connecting to the FluidFS Cluster As a storage administrator, you can use either the FluidFS Manager web client or command line interface (CLI) to connect to and manage the FluidFS cluster. The FluidFS cluster is accessed through the client network. NOTE: To avoid pot...

Connecting to the FluidFS Cluster CLI through SSH Using a Password Log on to the CLI through SSH to manage the FluidFS cluster. 1. Use either of the following options:– For Windows — Using an SSH client, connect to a client VIP. From the command line, type cli at the login as prompt: – For UNIX/Linu...

traffic. Other subnets will not have any of the management ports listening on them, making them available only for client access, replication, and NDMP traffic. This prevents users on client (data) access subnets from accessing any FluidFS cluster management functions.In FluidFS, the ports listed in...

4. Click Restrict Access of FluidFS Management . The Restrict Access of FluidFS Management dialog box appears. 5. Check the box whose text starts with All FluidFS management communication… . 6. Click OK . Disabling Secured Management Disable secured management to allow management traffic from any su...

Managing Licensing The license determines which NAS features are available in the FluidFS cluster. Viewing License Information All FluidFS cluster features are automatically included in the license for PowerVault scale ‐ out NAS. FluidFS Manager displays FluidFS cluster license information, but the ...

Managing the FTP Server The FluidFS cluster includes an FTP server that provides a storage location for the following types of system files: • Diagnostic results files• License file• SNMP MIBs and traps• Service pack files Accessing the FTP Server The FTP server can be accessed at: ftp://<FluidFS...

5. Add or remove SNMP trap recipients. – To add an SNMP trap recipient, type a host name or IP address in the Trap Recipients text field and click Add . – To remove an SNMP trap recipient, select an SNMP trap recipient and click the button. 6. Click OK . Enabling or Disabling SNMP Traps Enable or di...

Changing the Health Scan Throttling Mode Change the health scan throttling mode. Dell recommends keeping the health scan throttling mode set to Normal unless specifically directed otherwise by Dell Technical Support Services. 1. Click the System tab on the left. 2. Click the Internal tab on the top....

Managing Client Connections Displaying the Distribution of Clients between NAS Controllers Display the current distribution of clients between NAS controllers. 1. Click the Performance & Connectivity tab on the left. 2. Click the Load Balancing tab on the top. In the Current Activity pane, the c...

4. Click Balance Clients . The Balance Clients Across NAS Controllers dialog box appears. 5. Click Rebalance clients . 6. Click OK . Shutting Down and Restarting NAS Controllers In some cases, you must temporarily shut down a FluidFS cluster or reboot a NAS controller. Shutting Down the FluidFS Clus...

4. Click Reboot . The Reboot NAS Controller dialog box appears. 5. Click OK . Managing NAS Appliance and NAS Controller You can configure the system identification button on the NAS appliances or controllers to blink, in order to easily locate that particular NAS appliance or controller within a rac...

5 FluidFS 3.0 Networking Managing the Default Gateway The default gateway enables client access across subnets. Only one default gateway can be defined. If client access does not go through a router (i.e. this is a flat network), a default gateway does not need to be defined. Viewing the Default Gat...

7. Click OK . Managing Static Routes To minimize hops between routers, static routes are recommended in routed networks when there are multiple direct paths from the FluidFS cluster to various routers. Static routes allow you to configure the exact paths in which the system communicates with various...

3. In the Routing pane, select the static route that you want modify and click . 4. Click Delete static route . The Delete Static Route dialog box appears. 5. Click OK . Managing the Internal Network The internal network defines the private subnet dedicated to the FluidFS cluster for internal commun...

Changing the Client Network Bonding Mode Change the bonding mode (Adaptive Load Balancing or Link Aggregation Control Protocol) of the client network interface to match your environment. • If using ALB, use one client VIP per client port in the FluidFS cluster.• If using LACP, use one client VIP per...

Viewing Storage Identifiers To view the NAS controller storage identifiers: 1. Click the Hardware tab on the left. 2. Click the SAN Fabrics tab on the top. The NAS controller storage identifiers are displayed in the Storage Identifier of Type: iSCSI pane. NOTE: All predefined storage identifiers are...

6 FluidFS 3.0 Account Management And Authentication Account Management and Authentication There are two types of access to the FluidFS cluster: • Administrator ‐ level access for FluidFS cluster management • Client ‐ level access to CIFS shares and NFS exports Administrator accounts control administ...

Login Name Purpose SSHAccess Enabled by Default SSHAccess Allowed VGAConsole Access Enabled by Default VGAConsole Access Allowed Default Password Administrator FluidFS cluster management (not a UNIX/ Linux user) Yes Yes Yes Yes Stor@ge! support FluidFS cluster troubleshooting (regular UNIX/ Linux us...

CLI Account The CLI account is used with an administrator account to access the command-line interface of the FluidFS cluster. Default Local User and Local Group Accounts The FluidFS cluster has the following built ‐ in local user and local group accounts, each of which serves a particular purpose. ...

5. In the Email Address field, type the new email address for the administrator. 6. Click OK . Changing a Local Administrator Password You can change the password only for a local administrator account. The password for remote administrators is maintained in the external database. 1. Click the Acces...

3. Enable or disable the local user. – To enable the local user, clear the Disable access from this local user check box. – To disable the local user, select the Disable access from this local user check box. 4. Click OK . Changing a Local User Password Change the password for a local user account. ...

5. Click Edit Password Expiration . The Edit Password Expiration dialog box appears. 6. In the within [ ] days field, type the number of days after which the password will expire. 7. Click OK . Enabling or Disabling Password Expiration When password expiration is enabled, local users and local admin...

5. In the Local group name field, type a name for the group. 6. To add local users to the group:a) Click the […] button under the Local users in this group list. The User Browser dialog box appears. b) In the Search field, type either the full name of the user or the beginning of the user name and c...

5. To add local users to the group:a) Click the […] button under the Local users in this group list. The User Browser dialog box appears. b) In the Search field, type either the full name of the user or the beginning of the user name and click the button. c) Select the user you want to add and click...

Enabling Active Directory Authentication Join the FluidFS cluster to an Active Directory domain to allow it to communicate with the directory service.By default, the FluidFS cluster uses the domain controller returned by Active Directory. Alternatively, you can designate a domain controller if you w...

7. Click OK . Modifying Active Directory Authentication Settings You cannot directly modify the settings for Active Directory authentication. You must remove the FluidFS cluster from the Active Directory domain and then re ‐ join it to the Active Directory domain. 1. Click the Access Control tab on ...

Adding multiple LDAP servers ensures continued authentication of users in the event of an LDAP server failure. If the FluidFS cluster cannot establish contact with the preferred server, it will attempt to connect to the remaining servers in order. 1. Click the Access Control tab on the left. 2. Clic...

6. Enable or disable authentication for the LDAP connection. – To enable authentication for the LDAP connection, select the Use Non ‐ Anonymous LDAP bind check box. Then, type the LDAP bind distinguished name used to authenticate the connection in the Bind DN field and type the LDAP bind password in...

5. NIS servers are listed in descending order of preference. – To increase the precedence for a NIS server, select a NIS server and click . – To decrease the precedence for a NIS server, select a NIS server and click . 6. Click OK . Disabling NIS Authentication Disable NIS authentication if you no l...

• NTFS security style: Permissions are controlled by Windows and NTFS. The UNIX/ Linux user adheres to the permissions of the corresponding Windows user, regardless of the UNIX/Linux permission settings. • UNIX security style: Permissions are based on the UNIX/Linux permissions. The Windows user adh...

7 FluidFS 3.0 NAS Volumes, Shares, and Exports Managing the NAS Pool The amount of raw space allocated to the FluidFS cluster (NAS pool) is determined by the MD Array LUNs assigned to the NAS controllers. The maximum size of the PowerVault FluidFS NAS pool is 1 PB.The usable size of the NAS pool dep...

5. Enable or disable the NAS pool unused space alert. – To enable the NAS pool unused space alert, select the Alert when unused space is over check box. – To disable the NAS pool unused space alert, clear the Alert when unused space is over check box. 6. If the NAS pool unused space alert is enabled...

various data access patterns. The security style can also be set to Mixed which supports both POSIX security and Windows ACLs on the same NAS volume. • Quotas: Different quota policies can be applied to different NAS volumes, allowing the administrator to focus on managing quotas when it is appropri...

• Disadvantage : User mapping is required. A user needs to choose one security style, either NTFS or UNIX, and based on the security style chosen the correct mapping for other users is set. NAS Volumes Storage Space Terminology FluidFS Manager displays storage space details for individual NAS volume...

5. Enable or disable a NAS volume snapshot space consumption threshold alert. – To enable a NAS volume snapshot space consumption threshold alert, select the Alert when snapshot space is over check box. – To disable a NAS volume snapshot space consumption threshold alert, clear the Alert when snapsh...

• The snapshot space consumption threshold alert must be disabled on the base volume. 1. Click the NAS Volumes tab on the left. 2. Click the All NAS Volumes tab on the top. 3. In the All NAS Volumes pane, click in the row of the volume whose NAS volume clones you want to view. 4. Click View Details ...

user or group. When SLP access ‐ based share enumeration is disabled, the CIFS share, and its folders and files, will be visible to users and groups regardless of whether they have permissions for the CIFS share.To enable or disable accessed-based share enumeration for a CIFS share: 1. Click the NAS...

4. Click Disconnect . The Disconnect Connection dialog box appears. 5. Click OK . Using CIFS Home Shares The FluidFS cluster enables you to create a share per client that is limited to that client. For example, when a client "jsmith" connects to the FluidFS cluster, jsmith will be presented ...

Changing the Owner of a CIFS Share When a CIFS share is created, the owner of the CIFS share must be changed before setting any access control lists (ACLs) or share level permissions (SLP), or attempting to access the CIFS share. The following methods can be used to initially change the owner of a C...

9. Click Other users or groups . The Select User or Group dialog box appears. 10. Choose the domain admin user account that is used to set ACLs for this CIFS share or choose the Domain Admins group. Alternatively, the FluidFS cluster Administrator account can be used. 11. Click OK . 12. Select Repla...

NOTE: You might need to reset the local administrator password first. If there are no predefined MMC files: 1. Select Start → Run . 2. Type mmc and click OK . The [Console 1 ‐ Console Root] window is displayed. 3. Select File → Add/Remove Snap ‐ n . 4. Select Shared Folders and click Add . 5. In the...

Accessing a CIFS Share Using the Windows Network Connect to the share using the Windows Network. This option does not map the share. 1. From the Start menu, select Computer . The Computer window is displayed. 2. Click Network . 3. Locate the NAS appliance and double ‐ click it. 4. From the CIFS shar...

3. In the All NFS Exports pane, click in the row of the NFS export you want to delete. 4. Click Delete . The Delete dialog box appears. 5. Click OK . Enabling or Disabling NFS v4 NFS v4 is enabled or disabled on a system wide basis. By default, NFS v4 is disabled, which forces clients to use NFS v3 ...

# mount -o nfsvers=3,rsize=32768,wsize=32768 <client_VIP_or_name>:/ <volume_name>/<exported_folder> <local_folder> Accessing an NFS Export with UNIX/Linux without Default Use of TCP Older versions of UNIX/Linux do not use TCP by default. To mount an NFS export folder from a s...

9. From the Domain drop ‐ down menu, select the group’s domain. 10. In the Starts with field, type either the full name of the group or the beginning of the group name. 11. Click Display . 12. Select a group from the search results. 13. Click OK . 14. Select The group itself . 15. To enable a soft q...

8. Enable or disable the soft quota limit. – To enable the soft quota limit, select the Soft Quota check box. – To disable the soft quota limit, clear the Soft Quota check box. 9. Enable or disable the hard quota limit. – To enable the hard quota limit, select the Hard Quota check box. – To disable ...

Disabling Data Reduction on a NAS Volume By default, after disabling data reduction on a NAS volume, data remains in its reduced state during subsequent read operations. You have the option to enable rehydrate ‐ on ‐ read when disabling data reduction, which causes a rehydration (reversal of data re...

8 FluidFS 3.0 Data Protection Managing the Anti-Virus Service The FluidFS cluster anti ‐ virus service provides real ‐ time anti ‐ virus scanning of files stored in CIFS shares. The anti ‐ virus service applies only to CIFS shares; NFS is not supported. The scan operation is transparent to the clien...

Excluding Files and Directory Paths from Scans You can determine which files and directory paths are scanned, using extension or location properties as follows: • File Extensions Excluded From Virus Scan : Specifies file extensions (file types) to exclude from scanning, such as docx . • Directories ...

8. To remove an extension or folder from the exemption list, select the extension or folder and click . 9. Click OK . Disabling Anti-virus Scanning for a CIFS Share Anti ‐ virus scanning is disabled on a per CIFS share basis. 1. Click the NAS Volumes tab on the left. 2. Click the All CIFS Shares tab...

Deleting a Snapshot Schedule Specify whether to retain all snapshots that are created by a snapshot schedule, or configure the snapshots to expire after a certain period of time. 1. Click the NAS Volumes tab on the left. 2. Click the All NAS Volumes tab on the top. 3. In the All NAS Volumes pane, cl...

7. Click Modify . The Modify Snapshot dialog box appears. 8. To retain all snapshots that are created by the snapshot schedule indefinitely, clear the Retain each snapshot for check box. 9. To define an expiration period for the snapshots that are created by the snapshot schedule in the future, sele...

Restoring Files Using Windows Only Snapshots integrate into the Shadow Copies and previous versions features of Windows. This restore option allows clients to restore a file using previous versions. 1. Right ‐ click the file, select Properties , and then click the Previous Versions tab. A list conta...

The following steps are involved in backing up NAS volume data using NDMP: 1. The DMA server creates a connection to the FluidFS cluster IP address. NOTE: NDMP does not provide High Availability (HA). If a backup session is interrupted due to connection loss, the session is terminated. 2. The NDMP s...

Changing the NDMP Client Port By default, the NDMP server monitors port 10000 for incoming connections. You can change the client port to match the port used by the DMA. 1. Click the System tab on the left. 2. Click the Data Protection tab on the top. 3. In the NDMP pane, click . 4. Click Modify Set...

Viewing Active NDMP Jobs View all NDMP backup and restore operations being processed by the FluidFS cluster. 1. Click the Performance & Connectivity tab on the left. 2. Click the CIFS & NDMP Sessions tab on the top. The NDMP jobs are displayed in the NDMP Sessions pane. Viewing NDMP Events E...

Replication can be used in various scenarios to achieve different levels of data protection. Replication Scenarios Description Fast backup and restore Maintain full copies of data for protection against data loss, corruption, or user mistakes Disaster recovery Mirror data to remote locations for fai...

Once a partner relationship is established, replication is bi ‐ directional. One system could hold target NAS volumes for the other system as well as source NAS volumes to replicate to that other system.A replication policy can be set up to run according to a set schedule or on demand. Replication m...

systems is down or unreachable, the partnership is deleted only on the system that is running. Once the other system comes back up, the partnership must be deleted on that system too. 1. Click the System tab on the left. 2. Click the Data Protection tab on the top. 3. In the Cluster Partnerships pan...

place in a FluidFS cluster, or between a specified pair of replication partners. You can pause replication only from the source FluidFS cluster. 1. Click the NAS Volumes tab on the left. 2. Click the All NAS Volumes tab on the top. 3. In the All NAS Volumes pane, click in the row of the volume whose...

Promoting a Target NAS Volume When you resume replication, any replication operations that were in progress at the time the operation was disabled will resume. In addition, any replication schedules will resume at their next scheduled time. Replication may be resumed for individual NAS volumes, but ...

6. Select the settings to restore from backup: – To restore CIFS shares, select the CIFS Shares check box. – To restore NFS exports, select the NFS Exports check box. – To restore snapshot schedules, select the Snapshot Scheduling check box. – To restore quota rules, select the Quota Rules check box...

6. In the Restore local users from backup taken from cluster drop ‐ down menu, select the cluster whose backup will be used to restore local users. 7. Click OK . Restoring Local Groups Restoring the local group configuration provides an effective way to restore all local groups without having to man...

Using Replication for Disaster Recovery You can create a disaster recovery configuration in which you replicate data from a primary FluidFS cluster to a target FluidFS cluster. You can fail over to the target cluster if the primary FluidFS cluster stops responding because of an unexpected failure (h...

9 FluidFS 3.0 Monitoring Viewing the Status of Hardware Components FluidFS Manager displays the status of the following NAS appliance and NAS controller hardware components: • Networks• Disks• Power supplies• Backup power supply• Fans In the Hardware\NAS Appliances view, each NAS appliance has its o...

Viewing the Status of the Power Supplies View the status of the power supplies in a NAS appliance. 1. Click the Hardware tab on the left. 2. Click the NAS Appliances tab on the top. 3. In the pane of the NAS appliance you want to view, expand the NAS Controllers node. 4. Expand the node of the contr...

Viewing the Status of Background Processes Some operations take some time to perform and do not complete immediately, such as detaching a NAS controller. In these cases, you can monitor the progress of operations in FluidFS Manager. 1. Click the System tab on the left. 2. Click the Internal tab on t...

3. Graphs for the following performance values are displayed: – Overall Read Throughput – click the Client , Replication , and NDMP buttons to display or hide the relevant performance graphs. – Overall Write Throughput – click the Client , Replication , and NDMP buttons to display or hide the releva...

10 FluidFS 3.0 Maintenance Adding and Deleting NAS Appliances in a FluidFS Cluster Use FluidFS Manager to add or delete a NAS appliance in a FluidFS cluster. Adding NAS Appliances to the FluidFS Cluster You can add a NAS appliance (two NAS controllers) to the FluidFS cluster to increase processing p...

12. Click Next . After you are finished configuring each client network, the Connectivity Report page displays. 13. Use the Connectivity Report page to verify connectivity between the FluidFS cluster and the MD array. The NAS controller ports must show the status Up before you can complete the wizar...

3. Disconnect all cables from the back of the existing NAS controller. 4. Remove the existing NAS controller from the NAS appliance chassis.a) Press the controller release button to disengage the controller handle.b) Push the controller handle down until the controller disengages from the appliance....

ftp open <client_VIP_or_name> 44421 <FluidFS_administrator_user_name> <FluidFS_administrator_password> cd servicepack bin put <path_to_service_pack>/DellFluidFS-3.0.<xxxx>-SP.sh quit To upload and install the service pack upgrade file using the web UI: 1. Click the Syst...

11 Troubleshooting Viewing the Event Log You can view messages about system events and errors in the Event Log. Running Diagnostics Running diagnostics helps you detect problems with the FluidFS cluster. The diagnostic options available for the FluidFS cluster are: • FluidFS diagnostics : Used to di...

5. Enter any requested diagnostic parameters and click OK . After the diagnostics have been run, FluidFS Manager will perform a Phone Home of the diagnostics if the FluidFS cluster FTP server is enabled. Launching the iBMC Virtual KVM The iBMC (Integrated Baseboard Management Controller) virtual KVM...

Troubleshooting Common Issues Troubleshooting Active Directory Issues Group Quota For An Active Directory User Does Not Work Description Group quota is defined for an Active Directory group; however, when a group member consumes space, the actual usage of the group does not grow and the group limita...

Workaround When configuring the system to connect to an Active Directory domain: 1. Ensure that you use FQDN and not the NETBIOS name of the domain or IP address of the domain controller. 2. Ensure that the user has permissions to add systems to the domain. 3. Use the correct password. 4. See DNS Co...

2. On the NAS Manager, go to Data Protection → NDMP → NDMP Configuration page. In NAS CLI, go to Data Protection NDMP Configuration menu. 3. Verify that NDMP is enabled. If NDMP is enabled, go to step 5. 4. On the NAS Manager, the Enabled check box must be checked. 5. In the NAS CLI, type view and e...

2. Manually create the missing directories. Set permissions to control access as required. 3. Remove the share and communicate to the client. CIFS Write To Read Only Volume Description Client tries to modify a file on read-only volume. Cause A NAS volume is set to read-only when it is the target of ...

NFS Write To Snapshot Description An NFS user tries to modify a file located in a snapshot. Cause NAS volume snapshots cannot be modified by design. Workaround Snapshot data cannot be modified. A snapshot is an exact representation of the NAS volume data at the time of its creation. NFS Access Denie...

Troubleshooting Networking Issues Name Server Unresponsive Description All NIS, LDAP, or DNS servers are unreachable or not responding. Workaround For each server: 1. Ping the server from a client on NAS cluster solution subnet and verify it responds. 2. Issue a request to the server from a client o...

Troubleshooting RX And TX Pause Warning Messages Description The following warning messages may be displayed when the NAS Manager reports connectivity in a Not Optimal state: Rx_pause for eth(x) on node 1 is off. Tx_pause for eth(x) on node 1 is off. Cause Flow control is not enabled on the switch(e...

Workaround The administrator must check the file system status of source system, using the monitoring section in the NAS Manager, to understand why the file system is not optimal. Replication Source Volume Is Busy Reclaiming Space Description Replication between the NAS source volume and the NAS des...

12 Getting Help Contacting Dell NOTE: Dell provides several online and telephone-based support and service options. If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Availability varies by country...