Compaq Infortrend - Manual

vii Chapter 6 Terminal Screen Messages 6.1 The Initial Screen ............................................................................................ 1 6.2 Main Menu ....................................................................................................... 2 6.3 Quick Installation ...

viii Deleting Spare Drive (Global / Local Spare Drive) .......................................... 24 7.12 Viewing and Editing SCSI Channels .......................................................... 25 Redefining Channel Mode .............................................................................

ix Primary and Secondary Controller IDs:.............................................................. 6Redundant Controller Cache Coherency Channel (RCC Channel): .................. 7View Channel W W N .......................................................................................... 7View ...

x Idle Drive Failure Detection ............................................................................. 23Periodic Auto-Detect Failure Drive Swap Check Time .................................... 23 9.3 Monitoring and Safety Mechanisms ........................................................... 2...

xi Mapping a Logical Drive/Logical Volume to the Host LUNs .......................10-24Front Panel View of Controller Failure ........................................................10-25W hen and how is the failed controller replaced? ........................................10-2510.3.2 Via Terminal...

xii Copy and Replace Drives with Drives of Larger Capacity ................................. 7Copy and Replace Procedure............................................................................ 7 12.4 Making Use of the Added Capacity: Expand Logical Drive ......................... 912.5 Expand Lo...

xiii Functional Table of Contents This functional table of contents helps you to quickly locate thedescriptions of firmware functions. Chapter 1 Functional Description Page number Identifying Drives 1-8 Flash Selected SCSI Drive 1-8 Flash All SCSI Drives 1-8 1.4.2 Flash All but Selected Drives 1-8 A...

xiv Write Policy 5-10/7-10 5.6/7.6 Partitioning a Logical Drive/Logical Volume 5-12/7-11 5.7/7.7 Mapping a Logical Drive/Logical Volume to Host LUN 5-13/7-13 Assigning Spare Drive, Rebuild Settings 5-14/7-15 Adding a Local Spare Drive 5-14/7-15 Adding Global Spare Drive 5-15/7-16 5.8/7.8 (Logical Dr...

xv Password Validation Timeout 5-37/7-39 Controller Unique Identifier 5-37/7-39 SCSI Drive Utilities 5-40/7-42 Low-level format 5-40/7-43 5.15/7.15 Read/Write test 5-41/7-44 Chapter 8 Fibre Operation Page number Host and Drive Parameters 8-6 View and Edit Fibre Channel 8-6 Channel Mode 8-6 Primary a...

xvi Cylinder/Head/Sector Mapping 9-16 Drive-side Parameters 9-18 SCSI Motor Spin-up 9-18 SCSI Reset at Power-up 9-19 Disk Access Delay Time 9-20 SCSI I/O Timeout 9-20 Maximum Tag Count (Tag Command Queuing) 9-21 Detection of Drive Hot Swap Followed by Auto Rebuild 9-22 SAF-TE and S.E.S. Enclosure Mo...

xvii 12.3 Mode 2 Expansion : Copy & Replace Drive with drives of larger capacity 12-7 12.4 Expand Logical Drive (Making use of the addedcapacity) 12-9 12.5 Expand Logical Volume 12-11 12.6 Example: RAID Expansion in Windows 2000 12-12 Appendix C Controller Maintenance Page number: Upgrading Firm...

xviii List of Tables Chapter 1 Table 1 - 1 RAID Levels.................................................................................. 1-2 Chapter 2 Table 2 - 1 RAID Levels.................................................................................. 2-4Table 2 - 1 Controller Parameter Setting...

xix Chapter 2 Figure 2 - 1 Optimization Setting.....................................................................2-3Figure 2 - 2 Array Configuration Process........................................................2-5Figure 2 - 3 SCSI ID/LUNs............................................................

xx About This Manual This manual provides all of the necessary information that a systemadministrator needs to configure and maintain one of Infortrend’sexternal RAID controllers or subsystems. For hardware-relatedinformation, please refer to the Hardware Manual that came with your RAID controller. ...

xxi Appendix A outlines the menu structure of the LCD front paneloperation. Appendix B lists the important firmware features supported withthe firmware version, arranged in accordance withthe latest firmware version as of press date. Appendix C teaches the user how to upgrade firmware and bootrecord...

xxii Version 1.4: • added firmware features available withfirmware revisions 3.14, 3.15, and 3.21 • revised details about redundant controllers,host LUN mapping, etc. • modified string definitions in Chapter 14"In-band SCSI Drives and Utilities" section • Corrected descriptions of "Contr...

Functional Description 1-1 Logical Drive 1 2 3 RAID Functions: An Introduction Redundant Arrays of Independent Disks , or RAID, offers the following advantages: Availability, Capacity, and Performance. Choosing theright RAID level and drive failure management can increaseCapacity and Performance, su...

Infortrend 1-2 then distributes data segments to its member drives according to thespecific RAID level it is composed of. The member logical drives can be composed of the same RAID levelor each of a different RAID level. A logical volume can be dividedinto a maximum of 64 partitions. During operatio...

Functional Description 1-3 + + + 2 G B H a r d D r i v e 3 G B H a r d D r i v e 1 G B H a r d D r i v e 2 G B H a r d D r i v e Lo g i c a l Dr i ve 2 + 3 + 1 + 2 = 8 G B L o g i c a l D r i v e = 2 GB Ha r d Dr i v e 3 GB Ha r d Dr i v e 1 GB Ha r d Dr i v e 2 GB Ha r d Dr i v e 2 G B LogicalD riv...

Infortrend 1-4 Block 1 Block 2 Block 3 Block 4 Block 5 Block 6 Block 7 Block 8 Block 1 Block 3 Block 5 Block 7 Block 2 Block 4 Block 6 Block 8 Striping Logical Drive Physical Disks Block 1 Block 2 Block 3 Block 4 Block 5 Block 6 Block 7 Block 8 Block 1 Block 2 Block 3 Block 4 Mirror 1 Mirror 2 Mirro...

Functional Description 1-6 Logical Drive 1 2 3 X LS Local Spare Drive When one memberdrive fails, the LocalSpare Drive joins thelogical drive andautomatically startsto rebuild. Logical Drive 0 Global Spare Drive 1 2 3 GS Logical Drive 1 1 2 Logical Drive 2 1 2 3 4 Global Spare Drive GS 1.4 Spare Dri...

Infortrend 1-7 A Local Spare always hashigher priority than aGlobal Spare. Figure 1 - 12 Mixing Local and Global Spares Logical Drive 0 Local Spare Drive 1 2 3 LS Logical Drive 1 1 2 Logical Drive 2 1 2 3 4 Global Spare Drive GS (9GB) (9GB) (9GB) (9GB) (4GB) (4GB) (4GB) (4GB) (4GB) (4GB) (4GB) In th...

Functional Description 1-8 L E D L E D L E D L E D L E D R / W 1.5 Identifying Drives Assuming there is a failed drive in the RAID 5 logical drive, make ita point to replace the failed drive with a new, healthy drive to keepthe logical drive working. If, when trying to remove a failed drive you mist...

Infortrend 1-9 1.6 Rebuild Automatic Rebuild and Manual Rebuild 1. Automatic Rebuild Figure 1 - 13 Automatic Rebuild Rebuild with Spare: When a member drive in a logical drive fails, the controller will first examine whether there is a Local SpareDrive assigned to this logical drive. If yes, rebuild...

Functional Description 1-10 If the failed drive is not swapped but a local spare is added to thelogical drive, rebuild will begin with the spare. If the S.M.A.R.T. function is enabled on drives and the reactionscheme is selected for securing data on a failing drive, spare willalso be used for restor...

Functional Description 1-12 1.7 Logical Volume (Multi-Level RAID) What is a logical volume? Figure 1 - 15 Logical Volume Logical Volume Logical Drive Logical Drive Logical Drive ….. ….. ….. ……. ……. ……. ……. ……. ……. Physical Drives Physical Drives Physical Drives A logical volume is a combination of R...

Infortrend 1-13 Figure 1 - 16 Logical Drive Composed of 24 Drives RAID 5 Logical Drive 24 drives, 1 redu ndancy drive Configuration A - O ne logical drive with all 24 drives As illustrated above, Configuration A is a RAID 5 logical driveconsisting of 24 physical drives. Configuration B is a logical ...

Functional Description 1-14 minimized to reduce the possibility of having two drives to fail atthe same time. Configuration A is a large logical drive and takes a long time torebuild. All members will be involved during the rebuild process.In Configuration B, the time span is shorter because only 6 ...

Functional Description 1-16 Different write policies within a logical volume? As members of a logical volume, all logical drives will be forced to adopt aconsistent write policy. Whenever the write policy of a logical volume ischanged, for example, the corresponding setting in its members will also ...

Infortrend 1-17 logical drive. If a controller fails, the host I/Os originally assignedto the failed controller will be taken over by the existing controller.When the controller fails back (failed controller being replaced by anew one), logical drives will be returned to the replacementcontroller in...

RAID Planning 2-1 RAID Planning This chapter summarizes the procedures and provides some usefultools for first-time configuration: 2.1 Considerations: things you should know before settingup 2.2 Configuring the Array: the most common configurationprocedure 2.3 Operation Theory: the theory behind dat...

Infortrend 2-2 larger drives can be more efficient than that of many butsmaller drives. 3. How many drives would you like to appear to the host computer? It must be decided what capacity will be included in a logicalconfiguration of drives, be it a logical drive or a logical volume.A logical configu...

RAID Planning 2-3 Optimization Mode Figure 2 - 1 Optimization Setting You should select an optimization scheme best suited to yourapplications before configuring a RAID array. Once theoptimization mode is selected, it will be applied to all arraysmanaged by the RAID controller. Two options are avail...

RAID Planning 2-5 2.2 Configuring the Array: 2.2.1 Starting a RAID System Here is a flowchart illustrating basic steps to be taken whenconfiguring a RAID system. Hardware installation should becompleted before any configuration takes place. Figure 2 - 2 Array Configuration Process Drives must be con...

RAID Planning 2-7 2.3 Operation Theory 2.3.1 I/O Channel, SCSI ID, and LUN Depending on the interface used by a RAID system, a SCSI drivechannel (SCSI bus) can connect up to 15 drives (excluding the RAIDcontroller itself). A Fibre channel 125 drives in a loop. Each deviceoccupies one unique ID. Figu...

Infortrend 2-8 Figure 2 - 5 Physical locations of drive members A drive can be assigned as the Local Spare Drive that serves onespecific logical drive, or as a Global Spare Drive that participates inthe rebuild of any logical drive. Spares automatically joins a logicaldrive when a drive fails. Spare...

RAID Planning 2-9 2.3.3 Making Arrays Available to Hosts Figure 2 - 7 Mapping Partitions to Host ID/LUNs Host ID mapping is a process that associates a logical configurationof drives with a host channel ID/LUN. To avail logical partitions onhost channel(s), map each partition to a host ID or one of ...

RAID Planning 2-10 2.4 Tunable Parameters Fine-tune the controller and the array parameters for your hostapplications. Although the factory defaults guarantee the optimizedcontroller operation, you may refer to the table below to facilitatetuning of your array. Some of the performance and fault-tole...

Infortrend 2-11 ➀ Date and time N/A ➀ Time zone + 8 hrs Optimization Mode: ➀ Write-back Cache Enabled Disabled ➀ Array stripe size Related to controller generalsetting 4KB to 256KB ➀ Optimization for Random/Sequential Sequential Either (sequential for LD larger than512MB and can not be changed) ➁ Ar...

Out-of-Band via Serial Port and Ethernet 3-1 Accessing the Array through Serial Port and Ethernet 3.1 RS-232C Serial Port Infortrend’s controllers and subsystems can be configured via a PCrunning a VT-100 terminal emulation program, or a VT-100compatible terminal. RAID enclosures usually provide one...

Infortrend 3-2 3.1.1 Configuring RS-232C Connection via Front Panel Take the following steps to change the baud rate using the frontpanel keypad: Press ENT for two seconds to enter the Main Menu. Press ▼ or ▲ to select "View and Edit Configuration ..", thenpress ENT . Select "Communicati...

Connecting Terminal 3-3 3.1.2 Starting RS-232C Terminal Emulation The keys used when operating via the terminal are as follows: ← ← ← ← → → → → ↑↑↑↑ ↓↓↓↓ To select options [Enter] To go to a submenu or to execute a selected option [Esc] To escape and go back to the previous menu [Ctrl] [L] The contr...

Infortrend 3-4 3.2 Out-of-Band via Ethernet The RAIDWatch manager software provides graphical interface to thesubsystem. Before you can access the RAID system using the softwaremanager, your must: 1. Create a reserved space on your array(s) 2. Set up the related TCP/IP configurations to enable the E...

Connecting Terminal 3-5 Other Concerns Availability Concern: For safety reason, it is better to create a reserved space on more than onelogical drive. Whatever data is put into the reserved space, firmware will automaticallyduplicate and distribute it to the reserved section on every data drive. Eve...

Infortrend 3-6 3.2.2 Configuring the Controller To prepare the controller for using the RAIDWatch manager, do thefollowing: 1. Use a Terminal Emulator to Begin Configuration Connect the subsystem’s serial port to a PC running a VT-100 terminalemulation program or a VT-100 compatible terminal. Make s...

Connecting Terminal 3-7 When formatted, a meta-filesystem is created on the 256MB reservedspace. A drive configured with a reserved space will be stated as a“formatted drive.” 3. Assign an IP Address to Ethernet Port: Assign an IP address to the controller Ethernet port and specify the NetMask and g...

Connecting Terminal 3-9 3.2.3 NPC Onboard NPC is short for Notification Processing Center, a sub-module foruse with system event notification. To activate the NPC module, do the following: 1. Create an NPC configuration file (in a simple text file format)using a text editor program. 2. Save it in th...

Infortrend 3-10 The SNMP_TRAP section [SNMP_TRAP] – section header[ENABLED] – 1=enabled, 0=disabled (applies to this section only)[SEVERITY] - level of severity of the messages to be received:1. notification, 2. warning, 3. alert. “1” covers events of all levels. “3” sends only the most serious even...

LCD Screen Messages 4-1 LCD Screen Messages 4.1 The Initial Screen Status/Data Transfer Indicator: Ready There is at least one logical drive or logical volumemapped to a host ID/LUN. No HostLUN No logical drive created or the logical drive has notyet been mapped to any host ID/LUN. ❚❚❚❚❚❚❚❚❚❚❚❚ Indi...

Infortrend 4-2 4.3 Logical Drive Status Logical Drive: The Logical Drive number. RAID level: The RAID level used in this logical drive Drive numbers: The number of physical drives included inthis configuration. Logical Drive status: XxxxMB The capacity of this logical drive. SB=x Standby drives avai...

Infortrend 4-3 4.4 Logical Volume Status Logical Volume: The Logical Volume number. DRV=x: The number of logical drive(s) containedin this logical volume. Logical Volume ID: The unique ID number of the logicalvolume (controller random generated). Logical Volume Status:xxxMB The capacity of this logi...

LCD Screen Messages 4-4 4.5 SCSI Drive Status Drive Status:LG=x IN Initializing LG=x LN On-line (already a member of a logicalconfiguration) LG=x RB Rebuilding LG=x SB Local Spare Drive GlobalSB Global Spare Drive NEW DRV New drive BAD DRV Failed drive ABSENT Drive does not exist MISSING Drive missi...

Infortrend 4-5 4.6 SCSI Channel Status Channel Mode: Host Host Channel mode Drive Drive Channel mode Default SCSI Bus Sync Clock: 80.0M The default setting of this channel is80.0MHz in Synchronous mode Async The default setting of this SCSI channelis in Asynchronous mode Primary Controller SCSI ID M...

LCD Screen Messages 4-6 4.7 Controller Voltage and Temperature Press ENT for two seconds to enter the Main Menu. Press ▼ or ▲ to select "View and Edit Peripheral Dev,” thenpress ENT . Press ▼ or ▲ to select "Ctlr Peripheral Device Config..”, press ENT and then choose “View Ctlr Periph Device...

Infortrend 4-7 4.8 Cache Dirty Percentage The LCD panel indicates the cache dirty percentage. The amber-colored “busy” light blinking on front panel also indicates that thecache is being accessed. 4.9 View and Edit Event Logs Press ENT for two seconds to enter the Main Menu. Press ▼ or ▲ to select &...

Front Panel Operation 5-1 LCD Keypad Operation 5.1 Power on RAID Enclosure Before you start to configure a RAID system, make sure thathardware installation is completed before any configuration takesplace. Power on your RAID enclosure. 5.2 Caching Parameters Optimization Modes Mass storage applicati...

Infortrend 5-2 Database and Transaction-based Applications: T his kind of applications usually include SQL server, Oracle server, Informix, or other data base services. These applications keep thesize of each transaction down to the minimum, so that I/Os can berapidly processed. Due to its transacti...

Front Panel Operation 5-3 Optimization for Random or Sequential I/O Select from main menu “View and EditConfig Parms,” “Caching Parameters,”and press ENT. Choose “Optimization for Random I/O” or “Optimization forSequential I/O,” then press ENT for two seconds to confirm. Press ESC to leave and the s...

Front Panel Operation 5-5 5.3 View Connected Drives: A RAID system consists of many physical drives that can bemodified and configured as the members of one or several logicaldrives. Press the front panel ENT button for two seconds to enter the Main Menu.Use ▼ or ▲ to navigate through the menus. Cho...

Infortrend 5-6 5.4 Creating a Logical Drive To create a logical drive, press ENT for two seconds to enter the Main Menu.Use ▼ or ▲ to navigate through the menus. Choose "View and Edit LogicalDrives," and then press ENT . Press ▼ or ▲ to select a logical drive entry, then press ENT for two se...

Front Panel Operation 5-7 Maximum Drive Capacity: Choose “Maximum Drive Capacity,”then press ENT . The maximum drive capacity refers to the maximumcapacity that will be used in eachmember drive. Use ▼ and ▲ to change the maximum size that will be used on each drive. Spare Drive Assignments: Local Sp...

Infortrend 5-8 Users may proceed with arrayconfiguration, e.g., including this arrayin a logical volume. Array initialization can take a long time especially for thosecomprised of large capacity. Setting to “Online” means the array isimmediately accessible and that the controller will complete thein...

Infortrend 5-10 5.5 Creating a Logical Volume Press ENT for two seconds to enter the Main Menu. Press ▼ or ▲ to select "View and Edit Logical Volume," thenpress ENT . Press ▼ or ▲ to select an undefined entry for logical volume, then press ENT for two seconds to proceed. "LV" is shor...

Front Panel Operation 5-11 seconds to display the confirm box.Press ENT for two seconds to start initializing the logical volume. The logical volume has beensuccessfully created. Press ESC to clear the message. Another message will prompt, press ESC to clear it. Logical volume information will bedis...

Infortrend 5-14 you can map the whole capacity to ahost LUN. Mapping information will be displayedon the subsequent screen. Press ENT for two seconds to confirm the LUNmapping. With any of the Host ID/LUN successfully associated with a logicalcapacity, the “No Host LUN” message in the main menu will...

Infortrend 5-15 Adding a Global Spare Drive Press ENT for two seconds to enter the Main Menu. Press ▼ or ▲ to select "View and Edit SCSI Drives," thenpress ENT . SCSI drive information will bedisplayed on the LCD. Press ▼ or ▲ to select a SCSI drive that has not beenassigned to any logical d...

Front Panel Operation 5-16 NOTE: • The rebuild priority determines how much of controller resources isconducted when rebuilding a logical drive. The default setting of therebuild priority is “LOW.” Rebuild will have smaller impact on host I/Oaccess, but rebuild will take a longer time to complete. C...

Front Panel Operation 5-17 Deleting a Partition of a Logical Drive Press ENT for two seconds to enter the Main Menu. Press ▼ or ▲ to select "View and Edit Logical Drives..,” thenpress ENT . Press ▼ or ▲ to select a logical drive, then press ENT . Press ▼ or ▲ to choose “Partition Logical Drive,&...

Front Panel Operation 5-18 Assigning a Name to a Logical Drive Press ENT for two seconds to enter the Main Menu. Press ▼ or ▲ to select "View and Edit Logical Drives..," thenpress ENT . Press ▼ or ▲ to select a logical drive, then press ENT . Press ▼ or ▲ to select “Logical Drive Name," ...

Infortrend 5-19 When rebuilding is already started orthe logical drive is being rebuilt by aLocal Spare Drive or Global SpareDrive, choose “Rebuild Progress” tosee the rebuild progress. IMPORTANT! • The Rebuild function will appear only if a logical drive (with RAID level 1,3 or 5) has a failed memb...

Front Panel Operation 5-20 Media Scan Media Scan is used to examine drives and is able to detect thepresence of bad blocks. If any data blocks have not been properlycommitted, data from those blocks are automatically recalculated,retrieved and stored onto undamaged sectors. If bad blocks areencounte...

Infortrend 5-21 Write Policy From the Main Menu, press ▼ or ▲ to select "View and Edit Logical Drives". The first logical drive displays. If youhave more than one logical drive, usethe ▼ or ▲ keys to select the logical drive you want to change the writepolicy of; and then press ENT. Use arro...

Front Panel Operation 5-22 5.10 Viewing and Editing Host LUNs Viewing and Deleting LUN Mappings Press ENT for two seconds to enter the Main Menu. Press ▼ or ▲ to select "View and Edit Host Luns", then press ENT . Press ▼ or ▲ to select a host ID, then press ENT to proceed. Press ▼ or ▲ to br...

Infortrend 5-23 WARNING! • Pass-through SCSI Commands are only intended to perform maintenance functions for a drive or device on the drive side. Do not perform any destructive commands to a disk drive (i.e., any commands that write data to a drive media). If a disk drive is a spare drive or a membe...

Front Panel Operation 5-24 An empty drive entry is added for thischannel/SCSI ID for enclosuremanagement. The drive status is“ABSENT.” To clear the empty drive entry, press ENT and use arrow keys to select “Clear Drive Status,” then press ENT to proceed. Press ENT for two seconds to confirm the driv...

Infortrend 5-25 Deleting Spare Drive (Global / Local Spare Drive) Press ENT for two seconds to enter the Main Menu. Press ▼ or ▲ to select "View and Edit SCSI Drives," thenpress ENT . SCSI drive information will bedisplayed on the LCD. Press ▼ or ▲ to select the spare drive you wish todelete...

Front Panel Operation 5-26 IMPORTANT! • Every time you change channel mode, you must reset the controller for thechanges to take effect. Setting a SCSI Channel’s ID - Host Channel Viewing IDs Press ENT for two seconds to enter the Main Menu. Press ▼ or ▲ to select "View and Edit SCSI Channels,&#...

Infortrend 5-27 Deleting a Channel ID Press ENT on an existing host channel ID you want to delete. Press ▼ or ▲ to choose “Delete Channel SCSI ID," thenpress ENT . Press ENT for two seconds to confirm. IMPORTANT! • Every time you make changes to channel IDs, you must reset thecontroller for the ...

Front Panel Operation 5-28 Channel information will be displayed.Press ENT on the drive channel you wish the ID changed. Press ▼ or ▲ to select “Set SCSI Channel Pri. Ctlr ID..”, then press ENT . Press ▼ or ▲ to select a new ID, then press ENT for two seconds to confirm. Setting a SCSI Channel’s Sec...

Infortrend 5-29 Its current status will be displayed onthe LCD. Press ENT to continue. Press ENT again for two seconds to change the terminator mode to thealternate setting. IMPORTANT! • You can use terminator jumpers on the controller board to control SCSI bus termination of the SentinelRAID series...

Front Panel Operation 5-30 Setting Transfer Width The controller supports 8-bit SCSI and 16-bit SCSI. Enable “WideTransfer” to use the 16-bit SCSI function. Disabling “Wide Transfer”will limit the channel transfer speed to 8-bit SCSI. Press ENT for two seconds to enter the Main Menu. Press ▼ or ▲ to...

Infortrend 5-31 Press ▼ or ▲ to select “View and Edit SCSI Target,” then press ENT . Press ▼ or ▲ to select a SCSI target, then press ENT . Slot Number To set the Slot number of the SCSItarget, choose “Slot Assignment," thenpress ENT . The current slot number will be displayed. Press ▼ or ▲ to c...

Front Panel Operation 5-32 current clock setting will be displayedon the LCD. Press ENT for two seconds to change the setting. Parity Check Press ▼ or ▲ to select a SCSI target, then press ENT . Choose “Parity Check," then press ENT . The current clock setting will be displayed on the LCD. Press...

Infortrend 5-33 IMPORTANT! • Disabling the Maximum Tag Count will disable the internal cache of thisSCSI drive.. Restore to Default Setting Press ▼ or ▲ to select a SCSI target, then press ENT . Choose “Restore to Default Setting,"then press ENT . Press ENT again for two seconds to restore the S...

Front Panel Operation 5-34 5.13 System Functions Choose “System Functions” in the main menu, then press ENT.Press ▼ or ▲ to select a submenu, then press ENT . Mute Beeper When the controller’s beeper has beenactivated, choose “Mute beeper," thenpress ENT to turn the beeper offtemporarily for the...

Infortrend 5-35 If a password has previously been set, thecontroller will ask for the old passwordfirst. If password has not yet been set, thecontroller will directly ask for the newpassword. The password can not bereplaced unless a correct old password isprovided. Press ▼ or ▲ to select a character...

Front Panel Operation 5-36 The controller will now flush the cachememory. Press ENT for two seconds to confirm and reset the controller or poweroff the controller. Controller Maintenance For Controller Maintenance functions, please refer to Appendix C. Saving NVRAM to Disks You can choose to backup ...

Infortrend 5-37 5.14 Controller Parameters Controller Name Select “View and Edit Config Parms” fromthe main menu. Choose “View and EditConfiguration parameters,” “ControllerParameters," then press ENT . The current name will be displayed. Press ENT for two seconds and enter the new controller na...

Front Panel Operation 5-38 “Ctlr Unique ID-,” then press ENT . Enter any hex number between “0” and “FFFFF”and press ENT to proceed. Enter a unique ID for any RAID controller no matter it is configuredin a single or dual-controller configuration. The unique ID isrecognized by the controller as the f...

Infortrend 5-39 Use the ▲ key to enter the plus sign and the ▼ key to enter numeric representatives. Date and Time Use your arrow keys to scroll down andselect “Date and Time” by pressingENT. Use your arrow keys to selectand enter the numeric representativesin the following order: month, day,hour, m...

Front Panel Operation 5-40 5.15 SCSI Drive Utilities From the “View and Edit SCSI Drives”menu, select the drive that the utility isto be performed on; then press ENT . Select “SCSI Drive Utilities; then press ENT . Choose either “SCSI Drive Low- level Format” or “Read/Write Test”. These options are ...

Infortrend 5-41 SCSI Drive Read/Write Test From the “View and Edit SCSI Drives”menu, select a new or used drive thatthe utility is to be performed on; thenpress ENT . Select “SCSI Drive Utilities;" then press ENT . Choose “Read/Write Test” and press ENT . Press ▼ or ▲ to select and choose to ena...

Terminal Screen Messages 6-1 Terminal Screen Messages 6.1 The Initial Screen Cursor Bar: Move the cursor bar to a desired item, thenpress [ENTER] to select Controller Name: Identifies type of controller or a preset name Transfer Rate Indicator Indicates the current data transfer rate Gauge Range: Us...

Infortrend 6-2 6.2 Main Menu Use the arrow keys to move the cursor bar through the menu items, then press [ENTER] to choose a menu, or [ESC] to return to the previous menu/screen. In a subsystem or controller head where battery status can be detected, batterystatus will be displayed at the top cente...

Infortrend 6-4 6.4 Logical Drive Status LG Logical Drive number P0 : Logical Drive 0 managed by the Primary Controller S0: Logical Drive 0 managed by the Secondary Controller LV The Logical volume to which this logical drive belongs ID Controller-generated unique ID RAID RAID level SIZE (MB) Capacit...

Terminal Screen Messages 6-5 Column C Logical Drive Status – Write Policy setting B Write-back T Write-through #LN Total drive members in the logical drive #SB Standby drives available for the logical drive. Thisincludes all the spare drives (local spare, global spare)available for the specific logi...

Infortrend 6-6 6.6 SCSI Drive Status Slot Slot number of the drive;“S” indicates this is the drive used for passing through SESsignals Chl The drive channel where the drive is connectedX<Y> indicates two channels are configured in a dual-loop ID The channel ID assigned to this drive Size (MB) ...

Terminal Screen Messages 6-7 6.7 SCSI Channel’s Status Chl SCSI channel number Mode Channel modeRCCom Redundant controller communication channel Host Host Channel mode Drive Drive Channel mode PID IDs managed by the Primary Controller* Multiple IDs were applied (Host Channel mode only) (IDnumber) Ho...

Terminal Screen Messages 6-9 6.8 Controller Voltage and Temperature Controller voltage and temperature monitoring Choose from main menu “View and Edit Peripheral Devices,” and press [ENTER]. From the submenu, choose “Controller Peripheral Device Configuration,” “View Peripheral Device Status”, then ...

Infortrend 6-10 6.9 Viewing Event Logs on the Screen There may be a chance when errors occur and you may want to trace down therecord to see what has happened to your system. The controller’s event logmanagement will record all the events from power on, it can record up to 1,000events. Powering off ...

Terminal Operation 8-1 Terminal Operation 7.1 Power on RAID Enclosure Hardware installation should be completed before powering onyour RAID enclosure. Drives must be configured and the controllerproperly initialized before host computer can access the storagecapacity. The configuration and administr...

Infortrend 7-4 display the current setting with the Write-Back caching. Choose Yes in the dialog box that follows to confirm the setting. The Write-through mode is safer if your controller is not configuredin a redundant pair and there is no battery backup. Write-back caching can dramatically improv...

Infortrend 7-6 Choosing a RAID Level: A pull-down list of supported RAID levels willappear. In this chapter, RAID 5 will be used todemonstrate the configuration process. Choose aRAID level for this logical drive. Choosing Member Drives: Choose your member drive(s) from the list of available physical...

Terminal Operation 7-7 Assign Spare Drives: You can add a spare drive from the list of the unused drives. Thespare chosen here is a Local spare and will automatically replaceany failed drive in the event of drive failure. The controller willthen rebuild data onto the replacement drive. A logical dri...

Infortrend 7-8 Initialization Mode This sub-menu allows you to set if the logical drive is immediatelyavailable. If the online (default) mode is used, data can be writtenonto it and you may continue with array configuration, e.g.,including the array into a logical volume, before the array’sinitializ...

Terminal Operation 7-13 7.7 Mapping a Logical Volume to Host LUN Select “View and Edit Host luns” in the main menu, then press [ENTER] . A list of host channel/ID combinations appears on the screen. Thediagram above shows two host channels and each is designatedwith both a primary and a secondary ID...

Terminal Operation 7-15 7.8 Assigning Spare Drive, RebuildSettings Adding Local Spare Drive A spare drive is a standby drive automatically initiated by controllerfirmware to replace a failed drive. A spare drive must have anequal or larger capacity than the array members. A local spareshould have a ...

Terminal Operation 7-17 Deleting a Logical Drive Choose the logical drive you wish to delete, then press [ENTER] . Choose “Delete logical drive.” Choose Yes when prompted to confirm. Deleting a Partition of a Logical Drive Choose the logical drive which has a partition you wish to delete,then press ...

Infortrend 7-18 example, when one or more logical drives have been deleted, thearray indexing is changed after system reboot. The second logicaldrive might become the first on the list. Choose the logical drive you wish to assign a name, then press [ENTER] . Choose “logical drive name,” then press [...

Infortrend 7-20 those blocks are automatically recalculated, retrieved and storedonto undamaged sectors. If bad blocks are encountered on yetanother drive during the rebuild process, the block LBA (LogicalBlock Address) of those bad blocks will be shown. If rebuild iscarried out under this situation...

Infortrend 7-21 7.10 Viewing and Editing Host LUNs Viewing or Deleting LUN Mappings Choose the host channel and host ID combination you wish to viewor delete. A list of the current LUN mapping will be displayed on the screen.Move the cursor bar to the LUN mapping you wish to delete, thenpress [ENTER...

Terminal Operation 7-22 • Pass-through SCSI Commands are only intended to perform maintenancefunctions for a drive or device on the drive side. Do not perform any destructive commands to a disk drive (i.e., any commands that write data to a drive media). This will result in inconsistent parity among...

Terminal Operation 7-26 Viewing and Editing SCSI IDs - Host Channel Choose a host channel, then press [ENTER] . Choose “View and Edit SCSI ID.” A list of existing ID(s) will be displayed on the screen.You may then choose to add or delete an existing ID. Viewing and Editing SCSI IDs Adding a SCSI ID ...

Infortrend 7-27 Deleting an ID Choose the SCSI ID you wish to delete. Choose “Delete ChannelSCSI ID.” The dialog box “Delete Primary/Secondary ControllerSCSI ID?” will appear. Select Yes , then press [ENTER] to confirm. IMPORTANT! • Every time you change a channel ID, you must reset the controller f...

Terminal Operation 7-28 For more details on ID settings in redundant mode, please refer toChapter 10. Setting a Secondary Controller’s SCSI ID - Drive Channel Choose a Drive channel, then press [ENTER]. Choose “Secondary Controller SCSI ID.” A list of channel IDs displays. Assign an ID tothe chip pr...

Infortrend 7-29 Host Channel Move the cursor bar to a channel, then press [ENTER]. Choose “Sync Transfer Clock”, then press [ENTER]. A list of the clock speed will appear. Move the cursor bar to the desired speed andpress [ENTER] . A dialog box “Change Sync Transfer Clock?” will appear. Choose Yes t...

Terminal Operation 7-30 Viewing and Editing SCSI Target / Drive Channel Move the cursor bar to a Drive channel, then press [ENTER]. Select “View and Edit SCSI Target,” then press [ENTER] . A list of all the SCSI targets and their current settings will appear.Press [ENTER] on a SCSI target and a menu...

Infortrend 7-31 Maximum Synchronous Transfer Clock Choose “Maximum Sync. Xfer Clock,” then press [ENTER]. A dialog box will appear on the screen. Enter the clock, then press [ENTER] . Maximum Transfer Width Choose “Maximum Xfer Width”, then press [ENTER] . Choose Yes in the dialog box to confirm the...

Terminal Operation 7-32 Disconnecting Support Choose “Disconnect Support.” Choose Yes in the dialog box that follows to confirm the setting. Maximum Tag Count Choose “Maximum Tag Count,” then press [ENTER]. A list of available tag count numbers will appear. Move the cursor bar to anumber, then press...

Terminal Operation 7-34 7.13 System Functions Choose “System Functions” in the main menu, then press [ENTER]. The System Functions menu displays. Move the cursor bar to anitem, then press [ENTER]. Mute Beeper When the controller’s beeper has been activated, choose “Mutebeeper,” then press [ENTER]. C...

Infortrend 7-35 or RAIDWatch Manager is used, you can only access the RAIDcontroller by providing the correct password. IMPORTANT! • The controller verifies password when entering the main menu from the initial screen or making configuration change. If the controller is going to be left unattended, ...

Terminal Operation 7-36 The new password will now become the controller’s password.Providing the correct password is necessary when entering the mainmenu from the initial screen. Disabling the Password To disable or delete the password, press [ENTER] in the empty column that is used for entering a n...

Infortrend 7-37 7.14 Controller Parameters Controller Name Choose “View and Edit Configuration Parameters,” “ControllerParameters,” then press [ENTER] . The current name displays. Press [ENTER] . Enter a name in the dialog box that prompts, then press [ENTER] . LCD Title Display Controller Name Choo...

Infortrend 7-39 Press Yes to confirm. A prompt will notify you that the controller NVRAM data has beensuccessfully restored from disks. Password Validation Timeout Choose “View and Edit Configuration parameters,” “ControllerParameters,” then press [ENTER] . Select “Password Validation Timeout,” and ...

Infortrend 7-41 Set Controller Date and Time This sub-menu only appears when the controller is equipped with areal-time clock. Time Zone The controller uses GMT (Greenwich Mean Time), a 24-hours clock.To change the clock to your local time zone, enter the hours laterthan the Greenwich mean time foll...

Terminal Operation 7-42 7.15 Drive Information View Drive Information From the “View and Edit SCSI Drives” menu, select the drive thatthe utility is to performed on, then press [ENTER] . Select “View drive information," then press [ENTER] . SCSI Drive Utilities From the “View and Edit SCSI Drive...

Fibre Operation 8-1 Fibre Operation 8.1 Overview This chapter describes the Fibre-specific functions available sincefirmware release 3.21 and above. Optional functions have beenimplemented for operations using Fibre channel and access controlunder multiple-host environments such as Storage Area Netw...

Infortrend 8-2 8.2 Major Concerns Most of the configuration options in this chapter are directly relatedto controller redundancy. Joining two controllers into a dual-activepair can eliminate most possible points of failure. Configuring acontroller pair requires careful planning and proper setup and ...

Infortrend 8-4 8.3 Supported Features Fibre Chip 1Gbit Fibre Channel: Fibre loops (1 Gbit FC-AL) comply with the following standards: 1. (FC-PH) X2.230:1994, 2. (SCSI-FCP) X3.269:1996, 3. (FC-AL-2) Project 1133-D rev.6.5, 4. (SCSI-2) X3.131-1994, 5. Supporting sustained 1 Gigabit/sec (100MB/sec) tra...

Infortrend 8-6 Drive Channel Host Channel 8.4 Configuration: Host and Drive Parameters Channel Mode: All Fibre channels can be changed to operate as “Host,” “Drive,”“RCCOM,” or “Drive + RCCOM”. Choose the channel you wish tochange its mode, then press [ENTER] . Choose “Channel Mode,” then press [ENT...

Fibre Operation 8-7 Limitation: 1. If host connection is made in FC-AL mode, there can be a totalof “16” of Primary and Secondary IDs. 2. Although host connection in point-to-point mode is supported,problems might occur when passing IDs of the failed controllerto its counterpart. HA failover softwar...

Infortrend 8-8 View Device Port Name List (WWPN) This function displays device port names (host adapter ID) detectedon a host loop. Device port names will be listed here except that ofthe controller's I/O processor. The HBA port names detected can be added to the " Host-ID WWN name list " in...

Infortrend 8-10 1. Fibre Channel Connection Type: Use the ↑↑↑↑ ↓↓↓↓ keys to scroll down to “View and Edit Configuration Parameters,” "Host-side SCSI Parameters," and then "FibreConnection Option." A prompt will display all the options. Selectone appropriate for your Fibre channel top...

Fibre Operation 8-11 Controller firmware automatically examines the node names andport names of all the connected drives once initiated. If devices ontwo different drive channels appear with the same loop ID and portname, controller will consider these two drive channels as a "dualloop." The...

Infortrend 8-12 replacement, making the host unaware of controller replacement sothat controller failback is totally transparent. Choose “View and Edit Peripheral Devices,” “Set Peripheral DeviceEntry," then enable the "Redundant Controller" configuration. Youwill be requested to enter a...

Infortrend 8-14 8.5 Multi-Host Access Control: LUN Filtering RAID-based mapping provides access control over a Storage AreaNetwork where: 1. Servers may share common storage; 2. File integrity becomes a problem and access contentionsmight occur; 3. File access must be coordinated among multiple serv...

Fibre Operation 8-15 Figure 8 - 2 Host-LUN Mapping Creating LUN Masks User can configure the storage subsystem to appear as 32 LUNs perFibre target ID. Each LUN can be mapped with a storage unit -apartition or the entire logical drive. The configuration of logicalunits depends on host applications a...

Infortrend 8-16 To create LUN masks, select "View and Edit Host LUNs" from theMain Menu, then select a host data path (channel-ID combination).In active-to-active mode, selecting a host channel means selectingeither the Primary or the Secondary controller I/O path. WWN Name List Before mappi...

Fibre Operation 8-17 Logical Unit to Host LUN Mapping Assign Logical Unit Numbers (LUNs) to logical units (logicaldrives/logical volumes/logical partitions). Select a host channel/IDand then select a LUN number. Select a Host LUN and associate alogical unit with it. When a logical unit is selected, ...

Fibre Operation 8-19 LUN Mask (ID Range) Configuration: Ranges can be established by combining a basis ID with a masksimilar to the way routing table entries are set up on a LAN/WAN.If the port name ID "AND'ed" with the mask equals the basis IDAND'ed with the mask, then the port name ID is c...

Infortrend 8-20 Access Mode: Read Only or Read/Write A particular extended LUN map can be setup with an attribute of"Read Only" in the event that certain hosts may need to read thedata on the media but must not be allowed to change it. In thedegenerate case (range only includes a single ID),...

Fibre Operation 8-21 1. Host HBA port name (WWPN) list:Host A = 0x…F111 Host B = 0x…F112 Host C = 0x…F222 2. Controller Configuration: • Logical drives are LD0 and LD1. LD0 is partitioned into two:P0 and P1. • Filter Entry (LUN map) list Configuration Procedure: 1. Create an entry list for the speci...

Advanced Configurations 9-1 Advanced Configurations This chapter aims to discuss the advanced options for configuringand maintaining a RAID system. Each function will be given a briefexplanation as well as a configuration sample. Terminal screens willbe used in the configuration samples. Some of the...

Infortrend 9-5 9.1.2 S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology ) This section provides a brief introduction to S.M.A.R.T. as one wayto predict drive failure and Infortrend’s implementations withS.M.A.R.T. for preventing data loss caused by drive failure. A. Introduction Self-Mon...

Infortrend 9-7 Configuration Procedure Enabling the S.M.A.R.T. Feature Follow the procedure below to enable S.M.A.R.T. on all drives. 1. First, enable the “Periodic Drive Check Time” function. In \View and Edit Configuration Parameters\Drive-side SCSIParameters\Periodic Drive Check Time, choose a ti...

Infortrend 9-13 Maximum Queued I/O Count: This function allows you to configure the maximum number of I/Oqueue the controller can accept from the host computer. Choose “Host-side SCSI Parameters,” then press [ENTER] . Choose “Maximum Queued I/O Count,” then press [ENTER] . A list of available select...

Advanced Configurations 9-14 host adapter. If the driver is not loaded, the host computer will notbe able to use the in-band utility to communicate with the RAIDcontroller. This is often the case when users want to startconfiguring a RAID using management software from the host. Itwill be necessary ...

Infortrend 9-15 Peripheral Device Type Parameters for VariousOperating Systems: A host can not “see” a RAID controller UNLESS a logical unit has been created and mapped to host LUN via the RS-232/front panelinterface; or that the "in-band SCSI" connection with the host isestablished. If user...

Advanced Configurations 9-16 Table 9 - 2 Peripheral Device Type Settings: Device Type Setting No Device Present 0x7f Direct-access Device 0 Sequential-access Device 1 Processor Type 3 CD-ROM Device 5 Scanner Device 6 MO Device 7 Storage Array Controller Device 0xC Unknown Device 0x1f Cylinder/Head/S...

Infortrend 9-19 IMPORTANT! • If the drives are configured as “Delay Motor Spin-up” or “Motor Spin-up in Random Sequence,” some of these drives may not be ready at the moment when the controller accesses them when powered up. Increase the disk access delay time so that the controller will wait a long...

Advanced Configurations 9-20 Power off all hard drives and controller, and power them on again.Hard drives will not spin-up all at once. The controller will spin-upthe hard drives one at a time at the interval of four seconds. Disk Access Delay Time Sets the delay time before the controller tries to...

Advanced Configurations 9-22 Detection of Drive Hot Swap Followed by AutoRebuild Choose “Periodic Auto-Detect Failure Drive Swap Check Time”;then press [ENTER] . Move the cursor to the desired interval; then press [ENTER] . Choose Yes in the dialog box that follows to confirm the setting. The contro...

Infortrend 9-23 long as no host accesses that drive. Changing the check time to anyother value allows the controller to check – at the selected timeinterval – all of the drives that are listed under “View and Edit SCSIDrives.” If any drive is then removed, the controller will be able toknow – even i...

Infortrend 9-25 9.3 Monitoring and Safety Mechanisms Dynamic Switch Write-Policy Select “View and edit Configuration parameters” on the main menuand press [ENTER]. Choose “Caching Parameters,” then press [ENTER] again. The Caching Parameters menu displays. To reduce the chance of data loss, Write-ba...

Advanced Configurations 9-26 3. Power Supply 4. Cooling Element 5. Temperature Sensors 6. Audible Alarm 7. Enclosure Services Controller Electronics Select the device interface then select individual module to check itsstatus. Controller Auto-Shutdown - Event Trigger Option Select “View and edit Per...

Infortrend 9-27 Select a configurable time span between the detection of exceededtemperature and the controller’s commencing an automaticshutdown. 9.4 Disk Array Parameters Select “View and edit Configuration parameters” on the main menuand press [ENTER]. Choose “Disk Array Parameters,” then press [...

Advanced Configurations 9-28 Verification on Writes Errors may occur when a hard drive writes data. To avoid the writeerror, the controller can force hard drives to verify written data.There are three selectable methods: ! Verification on LD Initialization Writes Performs Verify-after-Write when ini...

Redundant Controller 10-1 Redundant Controller 10.1 Operation Theory Sample topologies using redundant controllers can be found in the Hardware Manual that came with your controller or subsystem. The proceeding discussions will focus on the theories and the firmware configuration of aredundant contr...

Infortrend 10-2 10.1.1 Setup Flowchart Figure 10 - 1 Redundant Controller Configuration Flowchart NOTE that some of Infortrend’s dual-controller configurations come with pre-set IDs for users’ ease of configuration. It is, however, always best tocheck these IDs before proceeding with configuration. ...

Redundant Controller 10-3 The physical connection between redundant controllers should be similarto the one shown above. The basic configuration rules are: 1. All channels should be connected to both controllers as diagrammedabove or strung across via a common backplane. Disk drives areconnected to ...

Infortrend 10-4 The basic configuration rules are: 1. All channels should be connected to both controllers as diagrammedabove. 2. To reduce the chance of downtime, more than one hub or switch canbe used to connect to host computer for path redundancy. 3. For the Fibre-to-Fibre controllers or RAID sy...

Redundant Controller 10-5 3. W ill those storage volumes be accessed in a multi-host or multi-path configuration? 4. F ault Tolerance: Enabling the controllers for transparent failover and failback. See 10.1.4 Logical Drive, Logical Volume, and Logical Partitions Listed below are the basics about co...

Infortrend 10-6 Figure 10 - 3 Grouping Hard Drives Drive Channel 0 Drive Channel 1 ID 5 ID 0 ID 3 ID 2 ID 6 ID 1 ID 0 ID 14 4 GB 4 GB 2 GB 2 GB 4 GB 4 GB 2 GB 2 GB RAID 5 8GB RAID 0 6GB Logical Drive 1 Logical Drive 0 Local Spare Drive of LD1 Global Spare Drive ! As diagrammed above, choosing the me...

Redundant Controller 10-7 Drive Channel:Since all channels are strung between two controllers, eachchannel is connected to two chip processors, and each processormust occupy one channel ID. In redundant mode, both a Primaryand a Secondary ID must be present on drive channels. ! The Primary-Secondary...

Infortrend 10-8 distributed across two host ports and managed by bothcontrollers. Figure 10 - 6 Mapping System Drives (IDs) ! Some operating systems do not read multiple LUNs under singleID. As diagrammed above, you may have the host channel topresent several IDs and map logical configurations to th...

Redundant Controller 10-9 How does Failover and Failback Work? A. Channel Bus Below is a sample illustration of the redundant controller operation: Figure 10 - 7 Redundant Controller Channel Bus The host computer is connected to both the Primary and theSecondary controllers. Each controller has two ...

Infortrend 10-10 Table 10 - 1 ID Mapping Status (Normal Operation) Channel ID Status Target Chip 0 (Primary ID) Active Pri. Controller channel 0 0 1 (Secondary ID) Standby Sec. Controller channel 0 1 (Secondary ID) Active Sec. Controller channel 1 1 0 (Primary ID) Standby Pri. Controller channel 1 I...

Redundant Controller 10-11 B. Controller Failover and Failback In an unlikely event of controller failure, the surviving controller willacknowledge the situation and disconnect with the failed controller.The surviving controller will then behave as both controllers and serveall the host I/O requests...

Redundant Controller 10-12 D. Traffic Distribution and Failover Process The diagram below illustrates a four-channel configuration usingchannel 0 as the communications path. Channel 1 serves as the hostinterface and multiple IDs are created to facilitate active-activeoperation. Each controller occup...

Infortrend 10-13 Figure 10 - 10 Controller Failover E. Controller Failure Controller failure is managed by the surviving controller. Thesurviving controller disables and disconnects from its counterpartwhile gaining access to all signal paths. The existing controller thenproceeds with the ensuing ev...

Infortrend 10-14 10.2 Preparing Controllers 10.2.1 Requirements: Cabling Requirements: Communications Channels: - Controller Communications (Cache Synchronization) Paths: Controller RCC cable SentinelRAID A SCSI cable (CH 0) EonRAID 2510FR Dedicated RCC or RCC over drive loops EonStor Pre-configured...

Infortrend 10-16 10.2.2 Limitations • Both controllers must be exactly the same. Namely, they must operatewith the same firmware version, the same size of memory, the samenumber of host and drive channels, etc. If battery backup is preferred,both should be installed with a battery module. • The take...

Redundant Controller 10-17 The two controllers continuously monitor each other. When a controllerdetects that the other controller is not responding, the working controllerwill immediately take over and disable the failed controller. However, it isnot predictable which one of the controllers should ...

Redundant Controller 10-19 10.3 Configuration Listed below are steps necessary for configuring a redundant controllersystem: 1. Configure, separately, each controller in the " Autoconfig " mode. When two controllers are powered on later, firmware will determine which isthe Primary controller...

Infortrend 10-20 10.3.1 Via Front Panel Keypad Redundant Configuration Using Automatic Setting Power-on Controller 1. Make sure Controller 2 is powered-off. 1. Enable Redundant Controller Press [ENT] for two seconds on the front panel of controller 1 to enter the main menu. Use ▼ or ▲ to navigate th...

Redundant Controller 10-21 Power-off controller 1, and then power oncontroller 2. Set controller 2 to " Autocfg " as described previously. Power off controller 2. When the redundant controller function is set tothe "Autocfg" setting, the controllers will decidebetween themselves whic...

Infortrend 10-22 Enter a hex number from 0 to FFFFF and press [ENTER] . The value you enter should be different for each controller. Power off controller 1, then power on controller 2.Set controller 2 to "Secondary" as describedabove. Power off controller 2. Starting the Redundant Controller...

Infortrend 10-24 Choose "Logical Drive Assignment..," then press [ENT] . The message "Redud Ctlr LG Assign Sec Ctlr?"will appear. Press [ENT] for two seconds to confirm. The logical drive has now been assignedto the Secondary controller. Map the logical drive (or any logical unit) to...

Redundant Controller 10-25 Repeat the process to map all the logical units tohost ID/LUNs. Front Panel View of Controller Failure What will happen when one of the controllers fails? Should one of the controllers fail, the existing controller will automaticallytake over within a few seconds. The red ...

Redundant Controller 10-29 Creating Primary and Secondary ID Enter "View and Edit SCSI Channels." Press [ENTER] and select the host or drive channel on which you wish to create Primary/Secondary ID. Drive Channel Host Channel The configuration change will only take effect after controller re...

Infortrend 10-30 Assignments," then press [ENTER] . Choose Yes and press [ENTER] to confirm reassignment to the Secondary Controller. The reassignment is evident from the "View and Edit Logical Drives" screen."S0" indicates that the logical drive is logical drive 0 assigned to th...

Redundant Controller 10-31 Terminal Interface View of Controller Failure What will happen when one of the controllers fails? When one of the controllers fails, the other controller will take over in a fewseconds. A warning will be displayed that a "SCSI Bus Reset Issued" for each of theSCSI ...

Redundant Controller 10-33 Forcing Controller Failover for Testing This function is reserved for de-bugging. Testing the failover functionality can be performed using the followingmethods. 1. Pulling out one of the controllers to simulate controllerfailure Pull out either the primary or the secondar...

Infortrend 10-34 RCC Status (Redundant Controller CommunicationsChannel) The item is display only, showing the current communications route. Secondary Controller RS-232 This is an option reserved for debug purposes. When enabled, you canaccess the secondary controller through its serial port. When c...

Record of Settings 11-1 Record of Settings In addition to saving the configuration data in NVRAM to disk,keeping a hard copy of the controller configuration is alsorecommended. This will speed the recreation of the RAID in theevent of a disaster. The following tables are provided as a model for reco...

Record of Settings 11-3 11.2 View and Edit Logical Volumes Logical Volume Information LV ID Size #LD Stripe size Partition Information LV Partition Size (MB) LV Partition Size (MB)

Infortrend 11-4 11.3 View and Edit Host LUN’s LUN Mappings Host Channel Pri. / Sec.Controller SCSI ID LUN Logical Drive /LogicalVolume Partition Size Host-ID/WWN Name List Host-ID/WWN Name List Access Restriction Setting Logical Drive /LogicalVolume Partition Read Only / Access Denied to / R/Wby: HB...

Infortrend 11-6 11.4 View and Edit SCSI Drives Slot Chl ID Size (MB) Speed LG DRV? Global Spare? Local Spare? Vendor & Product ID LG LG LG LG LG LG LG LG LG LG LG LG LG LG

Record of Settings 11-7 11.5 View and Edit SCSI Channels Chl Mode (Host / Drive) Primary Controller SCSI ID(s) Secondary Controller SCSI ID(s) Default Sync Clock Default Wide Terminator Diff/Enable/ Disable/ Current Sync Clock Current Width Parity Check View channel host- ID/WWN View device port nam...

Infortrend 11-8 11.6 View and Edit ConfigurationParameters Communication Parameters RS-232 Port ConfigurationCOM 1 (RS-232 Port) Baud Rate 2400 4800 9600 19200 38400 Data Routing Direct to Port Through Network Terminal Emulation Enabled Disabled COM 2 (Redundant Controller Port) Baud Rate 2400 4800 ...

Record of Settings 11-11 11.7 View and Edit Peripheral Devices Set Peripheral Device Entry Redundant Controller Enabled Disabled Power Supply Status Enabled Disabled Fan Status Enabled Disabled Temperature Status Enabled Disabled UPS Status Enabled Disabled Define Peripheral Device Active Signal Pow...

Infortrend 11-12 Thresholds for +5V Upper ________ Lower ________ Thresholds for +12V Upper ________ Lower ________ Thresholds for CPUtemperature Upper ________ Lower ________ Thresholds for BoardTemperature Upper ________ Lower ________ 11.8 Save NVRAM to Disk, Restore from Disk Update Firmware Dat...

Advanced Configurations 12-1 Array Expansion The array expansion functions allow you to expand storage capacitywithout the costs on buying new equipment. The expansion can becompleted on-line while system is serving host I/Os. This chapter is organized as follows: 12. 1 Overview Note on using the ex...

Infortrend 12-2 from the original members to larger drives, and then the smallerdrives can be replaced without powering down the system. Note on Expansion 1. Added Capacity: When a new drive is added to an existing logical drive, thecapacity brought by the new drive appears as a new partition.Assumi...

Array Expansion 12-3 Expand Logical Drive: Re-Striping Figure 12 - 1 Logical Drive Expansion RAID levels supported: RAID 0, 3, and 5 Expansion can be performed on logical drives or logical volumesunder the following conditions: 1. There is an unused capacity in a logical unit 2. Capacity is increase...

Infortrend 12-4 12.2 Mode 1 Expansion: Adding Drives to a Logical Drive Use drives of the same capacity as that of the original drivemembers. Once completed, the added capacity will appear asanother partition (new partition). Data is automatically re-stripedacross the new and old members during the ...

Array Expansion 12-7 12.3 Mode 2 Expansion: Copy and Replace Drives with Drives ofLarger Capacity You may also expand your logical drives by copying and replacingall member drives with drives of higher capacity. Please refer to thediagram below for a better understanding. The existing data in thearr...

Array Expansion 12-11 12.5 Expand Logical Volume To expand a logical volume, expand its logical drive member(s) andthen perform “expand logical volume.” When prompted by "Expand Logical Volume?", Choose Yes to confirm and the process will be completed immediately.

Infortrend 12-12 12.6 Configuration Example: Volume Extension in Windows 2000 ® Server Limitations When Using Windows 2000 1. Applies only to the Windows NT Server or Windows 2000Server Disk Management which includes the Extend VolumeSet function; Windows NT Workstation does not support thisfeature....

Navigation Map A-1 LCD Keypad Navigation Map L C D di sp la y te xt T a sk t o b e pe rf orm ed, or t h e t a sk t o be pe rf orm ed for t h e c onfi gura ti on t o t ake e ffe ct ( re d t e xt ) P re ss E N T o n o n e me n u it em to ac ce ss mu lt ip le o p tio n s A ft e r s e le ct ing th e opt...

Firmware Functionality Specifications B-1 Firmware Functionality Specifications Basic RAID Management: Specification Feature RAID Levels 0, 1(0+1), 3, 5, 10, 30, and 50 (Multi-level RAID withthe logical volume implementation) Maximum Number oflogical drives 64 or 128 through OEM IAPPEND utility RAID...

Infortrend B-4 RAID1 128 32 RAID3 16 4 RAID5 128 32 Caching Optimization • Cache buffer sorting prior to cache flush operation • Gathering of writes during flush operation to minimize the number of IOsrequired for parity update • Elevator sorting and gathering of drive IOs • Multiple concurrent driv...

Firmware Functionality Specifications B-5 Fibre Channel Support: Fibre Channel Support All Firmware supports Fibre Channels Channel Mode All channels configurable to Host or Drive mode, userconfigurable. Redundant controller Redundant using FC controllers supported. Host-side loop failuredetection S...

Infortrend B-6 S.M.A.R.T. Support: Copy & Replace Drive Supported. User can choose to clone a member drivebefore drive failure. Drive S.M.A.R.T. Support Supported, with intelligent error handlingimplementations. User selectable modes forS.M.A.R.T. 1. Detect only2. Perpetual Clone on detection of...

Firmware Functionality Specifications B-7 Redundant ControllerCommunication overFibre loops Dedicated loops or distribution over drive loops selectable No Single-point-of-failure Supported. Automatic engagementof replacementcontroller Supported in PowerPC series Dynamic cache memoryallocation Yes. C...

Firmware Functionality Specifications B-9 Environment Management: SAF-TE/S.E.S. support Supported. The SAF-TE/S.E.S. modules can beconnected to the drive channel, the controller willdetect errors from SAF-TE/S.E.S. devices or notifydrive failure via SAF-TE/S.E.S.. • Both SAF-TE/S.E.S. via drive and ...

Infortrend B-10 User Interface: RAIDWatch on-board Out-of-band configuration via LAN. Browseraccessible configuration option by installingRAIDWatch to reserved space on drive via ftp. RS-232C Terminal Supports terminal modes: ANSI, VT-100, ANSI Color.Provides menu-driven user-friendly text-basedinte...

System Functions: Upgrading Firmware C-1 System Functions: Upgrading Firmware Upgrading Firmware The RAID controller’s firmware resides in flash memory that canbe updated through the COM port, LAN port, or via In-band SCSI.New releases of firmware are available in the form of a DOS file inthe "p...

Infortrend C-2 will hand over the workload and then reset itself for the newfirmware to take effect. The rolling upgrade is automaticallyperformed by controller firmware and user's intervention is notnecessary. Redundant Controller Firmware Sync-version: A controller used to replace a failed unit in...

System Functions: Upgrading Firmware C-3 Upgrade Both Boot Record and Firmware Binaries 1. Connect to the RAID system locally or from a remote host usingRAIDWatch Manager. While connected to the RAID system,there will be icon(s) with IP address specified on the left of themenu screen. Select by doub...

Infortrend C-4 Upgrade the Firmware Binary Only 1. Connect to the RAID system locally or from a remote host usingRAIDWatch Manager. While connected to the RAID system,there will be icon(s) with IP address specified on the left of themenu screen. Select by double-clicking the icon of the RAIDsystem w...

System Functions: Upgrading Firmware C-5 Establishing the connection for the RS-232C Terminal Emulation Please refer to chapter 4, “Connecting to Terminal Emulation,” andalso your hardware manual for details on establishing theconnection. Upgrading Both Boot Record and Firmware Binaries 1. From the ...

Infortrend C-6 Upgrading the Firmware Binary Only 1. From the Main Menu, scroll down to "System Functions." 2. Go to "Controller Maintenance." 3. Choose "Download Firmware." 4. Set ZMODEM as the file transfer protocol of your terminalemulation software. 5. Send the Firmware B...

Event Messages D-1 Event Messages The controller events can be categorized as follows: Alert Errors that need to attend to immediately Warning Errors Notification Command processed message sent from Firmware The controller records all system events from power on, it can record up to1,000 events. To ...

Infortrend D-2 Notification: [0181] Controller Initialization Completed[0187] Memory is Now Sufficient to Fully Support Current Config.[0189] NVRAM Factory Defaults Restored[0189] NVRAM Restore from Disk is Completed[0189] NVRAM Restore from File is Completed Drive SCSI Channel/Drive Error Drive: Wa...

Event Messages D-3 [113f] CHL:_ ID:_ NOTICE: Redundant Path for Chl:_ ID:_ Restored Logical Drive Event Alert: [2101] LG: <NA/Logical Drive Index> Logical Drive ALERT: CHL:_ ID:_ SCSI Drive Failure [2103] LG:_ Logical Drive ALERT: Rebuild Failed[2106] LG:_ Logical Drive ALERT: Add SCSI Drive O...

Infortrend D-22 General Target Events: Alert: SAF-TE Device: 2-Line LCD SAFTE_: Power (_) Failure Detected Terminal [3F21] SAF-TE Device (_) ALERT: Power Supply Failure Detected (_) Event Type ! Alert " Warning " Notification What Happens? Power supply failure detected by SAF-TE enclosure ma...