Infortrend RAID Controller Manual

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3-4 NOTE: • A "Logical Drive" is a set of drives grouped together to operate under a given RAID level and appears as a single contiguous storage volume. The controller is capable of grouping drives to as many as 8 logical drives, each configured on the same or different RAID levels. • A total of 8 "Logical Volumes" can be created each from one or several logical drives. A logical drive or logical volume can be further divided into a maximum of 8 "Partitions." A total of 64 partitions can be created in an array. 4. The next step is to map each storage partition as one system drive (host ID/LUN). The host SCSI or Fibre adapter will recognize the system drives after re-initializing the host bus. 5. The last step is to save your configuration profile as a file or to the logical drive you created. The controller is totally independent from host operating system. Host operating system will not be able to tell whether the attached storage is a physical hard drive or the virtual system drives created by the RAID controller. 3.3 Operation Theory Figure 3 - 3 SCSI ID/LUNs 3.3.1 I/O Channel, SCSI ID, and LUN A SCSI channel (SCSI bus) can connect up to 15 devices (excluding the controller itself) when the Wide function is enabled (16-bit SCSI). A Fibre channel allows, theoretically, the connectivity of up to 125 devices in a loop. Each device has one unique SCSI ID. The figure on the left illustrates the idea of mapping a system drive to host ID/LUN combination. If you are to file document into a cabinet, you must put the document into one of the drawers. Let's apply this metaphor to SCSI: the SCSI ID is like a cabinet, and the drawers are the LUNs (LUN is short for logical unit number). Each cabinet (SCSI ID) can have up to 32 drawers (LUNs). Data can be stored into one of the LUNs of the SCSI ID. Most SCSI host adapters treat a LUN like another SCSI device. Infortrend
3.3.2 Understanding Step by Step Figure 3 - 4 Connecting Drives The physical connection of a RAID controller should be similar to the one shown above. Install the controller into an enclosure canister, then connect drives to the controller's SCSI/Fibre channels. A Logical Drive consists of a group of SCSI drives. Drives in one logical drive do not have to come from the same SCSI channel. Also, each logical drive can be configured a different RAID level. Figure 3 - 5 Allocations of drives in Logical Configurations A drive can be assigned as the Local Spare Drive to one specified logical drive, or as a Global Spare Drive. Spares can be conducted to automatic system rebuild. Spare is not available for logical drives that has no data redundancy (NRAID and RAID 0). RAID Planning 3-5
Page 1 and 2: Infortrend External RAID Controller
Page 3 and 4: UNIX is a registered trademark of T
Page 5 and 6: Chapter 5 LCD Screen Messages 5.1 T
Page 7 and 8: Logical Drive Information..........
Page 9 and 10: 13.9.1 Supported Operating Systems
Page 11 and 12: Chapter 8 Figure 8 - 1 Drive Space
Page 13 and 14: Chapter 13 details how to install t
Page 15 and 16: Functional Table of Contents: This
Page 17 and 18: Chapter 9 Fibre Operation Page numb
Page 19 and 20: Chapter 14 Fault-Bus Page number: L
Page 21 and 22: Chapter 2 1 2 3 Logical Drive Funct
Page 23 and 24: Figure 2 - 2 NRAID = + + + Logical
Page 25 and 26: Figure 2 - 7 RAID 3 Logical Drive P
Page 27 and 28: Local Spare Drive LS (9GB) 1 2 (9GB
Page 29 and 30: 2.4.3 Automatic Rebuild and Manual
Page 31 and 32: 2.5 Logical Volume (Multi-Level RAI
Page 33 and 34: Configuration A is a large logical
Page 35 and 36: To perform RAID expansion on a logi
Page 37 and 38: Chapter 3 RAID Planning 3.1 Conside
Page 39: Spare drives allow for the unattend
Page 43 and 44: following chapters. The configurati
Page 45 and 46: 3. Create and configure one or more
Page 47 and 48: 4-2 Select "Communication Parameter
Page 49 and 50: 4-4 4.2 Out-of-Band via Ethernet Ne
Page 51 and 52: 4-6 • One logical drive with rese
Page 53 and 54: 5-2 5.3 Logical Drive Status Logica
Page 55 and 56: 5-4 5.5 SCSI Drive Status SCSI Chan
Page 57 and 58: 5-6 5.7 Controller Voltage and Temp
Page 59 and 60: Chapter 6 Front Panel Operation 6.1
Page 61 and 62: Write-Back/Write-Through Cache Enab
Page 63 and 64: You may first examine whether there
Page 65 and 66: Maximum Drive Capacity: Choose “M
Page 67 and 68: 6.6 Partitioning a Logical Drive/Lo
Page 69 and 70: With any of the Host LUN mapped, th
Page 71 and 72: NOTE: • The different levels of r
Page 73 and 74: Assigning a Logical Drive Name Pres
Page 75 and 76: 6.10 Viewing and Editing Host LUNs
Page 77 and 78: press ENT. Press ▼ or ▲ to choo
Page 79 and 80: SCSI channel information will be di
Page 81 and 82: Setting a SCSI Channel’s Terminat
Page 83 and 84: Press ▼ or ▲ to select “Set T
Page 85 and 86: Press ENT for two seconds to change
Page 87 and 88: Reset Controller To reset the contr
Page 89 and 90: Controller Unique Identifier Choose
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Chapter 7 Terminal Screen Messages
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7.4 Logical Drive Status LG LV ID R
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7.6 SCSI Drive’s Status Slot Chl
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On Terminator is enabled. Off Termi
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7.9 Viewing Event Logs on the Scree
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8-2 mode is to backup all data to s
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8-4 IMPORTANT! • The default opti
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8-6 Logical Drive Preferences: Afte
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8-8 8.5 Creating a Logical Volume A
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8-10 Choose the logical volume you
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8-12 select an available LUN (one n
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8-14 Move cursor bar to the SCSI dr
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8-16 Choose the logical drive you w
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8-18 8.10 Viewing and Editing Host
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8-20 You may also choose “flash s
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8-22 Viewing and Editing SCSI IDs /
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8-24 Setting a Secondary Controller
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8-26 IMPORTANT! • Every time you
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8-28 Disconnecting Support Choose
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8-30 Change Password Use the contro
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8-32 For "Controller Maintenance" f
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8-34 Saving NVRAM to File (via Text
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8-36 Choose “View and Edit Periph
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8-38 SCSI Drive Read/Write Test Fro
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9-2 Different Fibre arrays can be d
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9-4 issue when every server in this
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9-6 Figure 9 - 1 Host Loop Connecti
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9-8 9.4 Configuration: Host and Dri
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9-10 View and Edit Fibre Drive Choo
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9-12 Figure 9 - 3 Dual Loop Configu
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9-14 With firmware release 3.14 and
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9-16 Figure 9 - 5 Host-LUN Mapping
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9-18 When a logical unit is selecte
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9-20 Include: If a node's (a workst
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9-22 The exemplary entry list is sh
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10-2 Figure 10 - 1 Logical Drive Ex
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10-4 A list of available drives wil
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10-6 10.1.3 Copy and Replace Drives
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10-8 10.1.4 Expand Logical Drive In
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10-10 10.1.6 Example: RAID Expansio
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10-12 Follow the steps described in
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10-14 Select an existing volume (Di
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10-16 Drive E: now has a capacity r
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10-18 The cloning process will begi
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10-20 The cloning progress will be
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10-22 NOTE: Clone + Replace: Contro
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10-24 How to Utilize the S.M.A.R.T.
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A SCSI channel (SCSI bus) can conne
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10-28 This controller supports the
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10-30 Table 10 - 1 Peripheral Devic
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10-32 10.3.2 Drive-side Parameters:
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10-34 When the drive itself detects
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10-36 Edit SCSI Drives.” If any d
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10-38 To decide under what conditio
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11-2 Partition Information LG Parti
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11-4 11.3 View and Edit Host LUN’
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11-6 11.4 View and Edit SCSI Drives
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11-8 11.6 View and Edit Configurati
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11-10 Disk Array Parameters Rebuild
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11-12 Update Firmware 11.8 Save NVR
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12-2 � Fibre Interface The contro
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12-4 Figure 12 - 4 Partitioning Log
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12-6 in this configuration should f
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12-8 interface and multiple IDs are
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12-10 F. Considerations with Redund
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12-12 Controller Settings: Redundan
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12-14 12.2.2 Limitations • Both c
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12-16 12.3 Configuration Listed bel
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12-18 When the redundant controller
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12-20 The process of creating Prima
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12-22 NOTE: Front Panel View of Con
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12-24 The message "Enable Redundant
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12-26 Creating Primary and Secondar
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12-28 Select partition Mapping opti
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12-30 If the replacement has been i
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Chapter 13 In-band SCSI Text RAID M
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13.2 Windows NT for DEC Alpha Intro
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NOTE: • The names and values in t
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13.3 MS-DOS Introduction: The Drive
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(where "filename" is the filename o
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13.5.3 Install SNMP Extension Agent
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To uncompress the compressed file,
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5. Reboot the system. 6. Run the Te
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13.7 Solaris 2.5.x/2.6/7/8 for SPAR
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Select package(s) you will to proce
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(where "filename" is the filename o
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13.9 SCO UnixWare Introduction: The
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the corresponded Peripheral Device
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• SNMP MIB file ("RAIDSNMP.MIB")
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NOTE: 11. Type "Pathname" for value
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Chapter 14 Fault-Bus 14.1 What is F
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failure, activate the signal. When
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information list. Assign a slot num
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Press ▼ or ▲ to select “Toggl
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Delete the Slot Number of a SCSI Dr
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Viewing the Status of Each Fault-bu
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A-2 Create Create Logical Volume Su
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A-4 Change Setting Do Reset Ctlr ?
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A-6 Enable/Disable Motor Spin-Up ?
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Appendix B Basic RAID Management: F
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Maximum concurrent Host LUN connect
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Drive S.M.A.R.T. Support Supported,
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Data Safety: Redundant Controller f
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User Interface: RAIDWatch on-board
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C-2 The rolling upgrade is automati
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C-4 Upgrade the Firmware Binary Onl
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C-6 2. Go to "Controller Maintenanc
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D-2 Drive SCSI Channel/Drive Error
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Controller Event 2-Line LCD DRAM Pa
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2-Line LCD Controller Init Complete
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Drive SCSI Channel/Drive Error 2-Li
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2-Line LCD C=_ I=_ Drive Not Ready
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2-Line LCD CHL=_ SCSI Channel Failu
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2-Line LCD Mem is Now Enough Suppor
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2-Line LCD LG=_ Expansion Completed
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2-Line LCD LG=_ Add SCSI Drive Comp
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2-Line LCD High +12V Voltage Detect
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2-Line LCD High +5V Voltage Detecte
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Appendix E Differences in Logical D
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You may also see the status of rese
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D Dedicated Communications Loops 9-
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port) Out-of-band Configuration, Re
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target/drive channel, viewing and 6
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