Infortrend RAID Controller Manual

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9.3 Configurable Options Related to Cabling Topologies HBAs: Fibre channel is widely applied to storage configurations with topologies that aim to avoid loss of data by component failure. To avoid single point of failure, the connections between source and target should be configured in redundant pairs. The recommended host side connection should consist of two host adapters. Each host adapter is used to configure a loop between host computer and storage. In active-to-active redundant controller mode, the primary loop serves the I/O traffic directed to the primary controller, and its pair loop serves that to the secondary controller. The host-side management software directs I/O traffic to its pair loop should one of the redundant loops fail. Considerations for Redundant Controller Configuration: Active to Active Redundant Controller: Using two HBAs in each server ensures continued operation when a data path fails. With redundant paths, the connection to each host bus adapter should be considered a data path connecting host to the primary or the secondary controller. Multiple IDs can also be assigned on a single host loop, letting I/Os to be directed to both controllers via the same loop. To avoid single point of failure, one loop should be configured to serve the primary controller, and the other the secondary. Each of the target IDs on host channels should be assigned as either a primary ID or a secondary ID. Should one controller fail, the existing controller can inherit ID settings from its counterpart and activate the once standby channel (chip) to continue host I/Os. Fibre Operation 9-5
9-6 Figure 9 - 1 Host Loop Connection: EonRAID 2000-4 in Redundant Mode Controller/Host Channel Status ID Mapping A/ Fibre channel 0 Active Primary ID A/ Fibre channel 1 Standby N/A B/ Fibre channel 0 Standby N/A B/ Fibre channel 1 Active Secondary ID In the unlikely event of controller failure, the standby channels on an existing controller becomes an active route serving the host I/Os originally directed to the active channel on its pair controller. In addition to this, "application failover" software should be running on host computer to control the transfer of I/Os from one HBA to another should either of the data paths fail. Table 9 - 1 Supported Configurations with Redundant Controller: Controller Host/Drive Connection Host Side Cabling Topology SentinelRAID series Fibre to SCSI Hub (private or public loop)/direct host-storage SentinelRAID R3 series Fibre to SCSI Hub/point-to-point/ Fabric EonRAID 2000-4 & Fibre to Fibre Hub (private or public 2000-6 loop)/direct host-storage EonRAID 2000 R1 & 2000R2 Fibre to Fibre Hub/point-to-point/ Fabric Controller Drive Side cabling Topology Sync. Cache Connection SentinelRAID series SCSI SCSI CH0 SentinelRAID R3 series SCSI SCSI CH0 EonRAID 2000-4 & Drive Dual Loop SCSI CH6/7, dedicated 2000-6 supported loops, or all drive loops EonRAID 2000 R1 & 2000R2 Drive Dual Loop supported SCSI CH6/7, dedicated loops, or all drive loops 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
Page 91 and 92: Chapter 7 Terminal Screen Messages
Page 93 and 94: 7.4 Logical Drive Status LG LV ID R
Page 95 and 96: 7.6 SCSI Drive’s Status Slot Chl
Page 97 and 98: On Terminator is enabled. Off Termi
Page 99 and 100: 7.9 Viewing Event Logs on the Scree
Page 101 and 102: 8-2 mode is to backup all data to s
Page 103 and 104: 8-4 IMPORTANT! • The default opti
Page 105 and 106: 8-6 Logical Drive Preferences: Afte
Page 107 and 108: 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: 9-4 issue when every server in this
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 and 160: 9-22 The exemplary entry list is sh
Page 161 and 162: 10-2 Figure 10 - 1 Logical Drive Ex
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:
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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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