Infortrend RAID Controller Manual

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Chapter 10 Advanced Configurations This chapter aims to discuss the advanced options for configuring and maintaining a RAID system. Each function will be given a brief explanation as well as a configuration sample. In this chapter, configuration screens will only be demonstrated in terminal mode. Some of the functions require basic knowledge of RAID technology and the practice of them is only recommended for an experienced user. 10.1 RAID Expansion What is it and how does it work? Before the invention of RAID Expansion, increasing the capacity of a RAID system meant backing up all data in the disk array, recreating disk array configuration with new drives, and then restoring data back into system. RAID Expansion allows users to expand a logical drive by adding new drives, or by copying the data from the original member drives to the new ones, and then replacing them without powering down the system. 10.1.1 Logical Drive Expansion Introduction: When there is an unused capacity in a logical drive, the user can make use of this unused capacity by expanding the logical drive. An unused capacity is usually created by replacing the original members with drives of larger capacity; or, by adding new drive(s) to a logical drive. After expanding a logical drive, the additional capacity will appear as another partition (a new partition). The diagram below illustrates this idea. Advanced Configurations 10-1
10-2 Figure 10 - 1 Logical Drive Expansion RAID levels supported: RAID 0, 1, 3, and 5 The new partition must be mapped to a host LUN in order for the HBA (host-bus adapter) to recognize its presence. If you want to add the new partition into an existing system drive, operating system support is needed. 10.1.2 Adding Drive to a Logical Drive Before adding more SCSI drives to a logical drive, make sure your enclosure has empty drive bay(s) ready. You may need to obtain an enclosure with more drive bays. Use new drive of the same capacity. After new drives are added, the capacity of the original logical drive will be the same and the additional capacity will appear as another partition (new partition). When expansion is completed, data will be re-striped across the original and the newly added drives. See the diagram below to get a clear idea: Infortrend
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Infortrend External RAID Controller
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UNIX is a registered trademark of T
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Chapter 5 LCD Screen Messages 5.1 T
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Logical Drive Information..........
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13.9.1 Supported Operating Systems
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Chapter 8 Figure 8 - 1 Drive Space
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Chapter 13 details how to install t
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Functional Table of Contents: This
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Chapter 9 Fibre Operation Page numb
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Chapter 14 Fault-Bus Page number: L
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Chapter 2 1 2 3 Logical Drive Funct
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Figure 2 - 2 NRAID = + + + Logical
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Figure 2 - 7 RAID 3 Logical Drive P
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Local Spare Drive LS (9GB) 1 2 (9GB
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2.4.3 Automatic Rebuild and Manual
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2.5 Logical Volume (Multi-Level RAI
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Configuration A is a large logical
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To perform RAID expansion on a logi
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Chapter 3 RAID Planning 3.1 Conside
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Spare drives allow for the unattend
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3.3.2 Understanding Step by Step Fi
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following chapters. The configurati
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3. Create and configure one or more
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4-2 Select "Communication Parameter
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4-4 4.2 Out-of-Band via Ethernet Ne
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4-6 • One logical drive with rese
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5-2 5.3 Logical Drive Status Logica
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5-4 5.5 SCSI Drive Status SCSI Chan
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5-6 5.7 Controller Voltage and Temp
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Chapter 6 Front Panel Operation 6.1
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Write-Back/Write-Through Cache Enab
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You may first examine whether there
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Maximum Drive Capacity: Choose “M
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6.6 Partitioning a Logical Drive/Lo
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With any of the Host LUN mapped, th
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NOTE: • The different levels of r
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Assigning a Logical Drive Name Pres
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6.10 Viewing and Editing Host LUNs
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press ENT. Press ▼ or ▲ to choo
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SCSI channel information will be di
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Setting a SCSI Channel’s Terminat
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Press ▼ or ▲ to select “Set T
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Press ENT for two seconds to change
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Reset Controller To reset the contr
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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
Page 109 and 110: 8-10 Choose the logical volume you
Page 111 and 112: 8-12 select an available LUN (one n
Page 113 and 114: 8-14 Move cursor bar to the SCSI dr
Page 115 and 116: 8-16 Choose the logical drive you w
Page 117 and 118: 8-18 8.10 Viewing and Editing Host
Page 119 and 120: 8-20 You may also choose “flash s
Page 121 and 122: 8-22 Viewing and Editing SCSI IDs /
Page 123 and 124: 8-24 Setting a Secondary Controller
Page 125 and 126: 8-26 IMPORTANT! • Every time you
Page 127 and 128: 8-28 Disconnecting Support Choose
Page 129 and 130: 8-30 Change Password Use the contro
Page 131 and 132: 8-32 For "Controller Maintenance" f
Page 133 and 134: 8-34 Saving NVRAM to File (via Text
Page 135 and 136: 8-36 Choose “View and Edit Periph
Page 137 and 138: 8-38 SCSI Drive Read/Write Test Fro
Page 139 and 140: 9-2 Different Fibre arrays can be d
Page 141 and 142: 9-4 issue when every server in this
Page 143 and 144: 9-6 Figure 9 - 1 Host Loop Connecti
Page 145 and 146: 9-8 9.4 Configuration: Host and Dri
Page 147 and 148: 9-10 View and Edit Fibre Drive Choo
Page 149 and 150: 9-12 Figure 9 - 3 Dual Loop Configu
Page 151 and 152: 9-14 With firmware release 3.14 and
Page 153 and 154: 9-16 Figure 9 - 5 Host-LUN Mapping
Page 155 and 156: 9-18 When a logical unit is selecte
Page 157 and 158: 9-20 Include: If a node's (a workst
Page 159: 9-22 The exemplary entry list is sh
Page 163 and 164: 10-4 A list of available drives wil
Page 165 and 166: 10-6 10.1.3 Copy and Replace Drives
Page 167 and 168: 10-8 10.1.4 Expand Logical Drive In
Page 169 and 170: 10-10 10.1.6 Example: RAID Expansio
Page 171 and 172: 10-12 Follow the steps described in
Page 173 and 174: 10-14 Select an existing volume (Di
Page 175 and 176: 10-16 Drive E: now has a capacity r
Page 177 and 178: 10-18 The cloning process will begi
Page 179 and 180: 10-20 The cloning progress will be
Page 181 and 182: 10-22 NOTE: Clone + Replace: Contro
Page 183 and 184: 10-24 How to Utilize the S.M.A.R.T.
Page 185 and 186: A SCSI channel (SCSI bus) can conne
Page 187 and 188: 10-28 This controller supports the
Page 189 and 190: 10-30 Table 10 - 1 Peripheral Devic
Page 191 and 192: 10-32 10.3.2 Drive-side Parameters:
Page 193 and 194: 10-34 When the drive itself detects
Page 195 and 196: 10-36 Edit SCSI Drives.” If any d
Page 197 and 198: 10-38 To decide under what conditio
Page 199 and 200: 11-2 Partition Information LG Parti
Page 201 and 202: 11-4 11.3 View and Edit Host LUN’
Page 203 and 204: 11-6 11.4 View and Edit SCSI Drives
Page 205 and 206: 11-8 11.6 View and Edit Configurati
Page 207 and 208: 11-10 Disk Array Parameters Rebuild
Page 209 and 210: 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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