Infortrend firmware functionality, configuration thru ... - ENEA AFS Cell

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iv Table of Contents Functional Table of Contents ................................................................ xiii Chapter 1: RAID Functions: An Introduction 1.1 Logical Drive .................................................................................................1-1 1.2 Logical Volume .............................................................................................1-1 What is a logical volume?...............................................................................1-1 1.3 RAID Levels...................................................................................................1-2 What Are the RAID Levels? ...........................................................................1-2 NRAID....................................................................................................................... 1-3 JBOD ......................................................................................................................... 1-3 RAID 0....................................................................................................................... 1-4 RAID 1....................................................................................................................... 1-4 RAID (0+1)................................................................................................................ 1-4 RAID 3....................................................................................................................... 1-5 RAID 5....................................................................................................................... 1-5 1.4 Spare Drives..................................................................................................1-6 Global and Local Spare Drives.................................................................................. 1-6 1.5 Identifying Drives .........................................................................................1-8 Flash Selected Drive .................................................................................................. 1-8 Flash All Drives......................................................................................................... 1-8 Flash All but Selected Drives .................................................................................... 1-8 1.6 Rebuild ..........................................................................................................1-9 Automatic Rebuild and Manual Rebuild ................................................................... 1-9 1. Automatic Rebuild................................................................................................. 1-9 2. Manual Rebuild.................................................................................................... 1-10 3. Concurrent Rebuild in RAID (0+1) ..................................................................... 1-11 1.7 Logical Volume (Multi-Level RAID)...........................................................1-11 What Is a Logical Volume?...........................................................................1-11 Spare Drives Assigned to a Logical Volume?..............................................1-14 Limitations:.............................................................................................................. 1-14 Partitioning the Logical Drive or Partitioning the Logical Volume? ..............1-15 Different Write Policies within a Logical Volume?........................................1-15 RAID Expansion with Logical Volume?........................................................1-15 Different Configuration Settings Using Logical Volume? .............................1-16 Redundant Controller............................................................................................... 1-16 A Logical Volume with Logical Drives of Different Levels? ..........................1-17 Multi-level RAID Systems....................................................................................... 1-17 Chapter 2: RAID Planning 2.1 Considerations .............................................................................................2-1 1. How many physical drives do you have?..................................................2-1 2. How many drives on each drive channel? ................................................2-1 3. How many drives would you like to appear to the host computer? ..........2-2 4. What kind of host application? ..................................................................2-2 5. Dual loop, hub, or switch?.........................................................................2-2 6. Optimization Mode ....................................................................................2-3 7. What RAID level?......................................................................................2-3 8. Any spare drives? .....................................................................................2-4 9. Limitations? ...............................................................................................2-4 2.2 Configuring the Array: .................................................................................2-5
2.2.1 Starting a RAID System........................................................................ 2-5 2.3 Operation Theory......................................................................................... 2-7 2.3.1 I/O Channel, SCSI ID, and LUN ........................................................... 2-7 2.3.2 Grouping Drives into an Array .............................................................. 2-7 2.3.3 Making Arrays Available to Hosts......................................................... 2-9 2.4 Tunable Parameters .................................................................................. 2-10 Chapter 3: Accessing the Array: Serial Port, Ethernet, and Access Security 3.1 RS-232C Serial Port ..................................................................................... 3-1 3.1.1 Configuring RS-232C Connection via Front Panel.............................. 3-2 3.1.2 Starting RS-232C Terminal Emulation ................................................ 3-3 3.2 Out-of-Band via Ethernet ............................................................................ 3-4 What is the “Disk Reserved Space?”............................................................. 3-4 Other Concerns ............................................................................................. 3-4 Web-based Management .............................................................................. 3-5 3.2.1 Connecting Ethernet Port: ................................................................... 3-5 3.2.2 Configuring the Controller.................................................................... 3-5 3.3 Telnet Connection ....................................................................................... 3-7 3.4 Secure Link over SSH ................................................................................. 3-8 Chapter 4: LCD Screen Messages 4.1 The Initial Screen ......................................................................................... 4-1 4.2 Quick Installation Screen............................................................................ 4-1 4.3 Logical Drive Status .................................................................................... 4-2 4.4 Logical Volume Status ................................................................................ 4-3 4.5 SCSI Drive Status......................................................................................... 4-4 4.6 SCSI Channel Status ................................................................................... 4-5 4.7 Controller Voltage and Temperature ......................................................... 4-6 4.8 Cache Dirty Percentage .............................................................................. 4-7 4.9 View and Edit Event Logs........................................................................... 4-7 Chapter 5: LCD Keypad Operation 5.1 Power On the RAID Enclosure ................................................................... 5-1 5.2 Caching Parameters .................................................................................... 5-1 Optimization Modes ....................................................................................... 5-1 Optimization Mode and Stripe Size ............................................................... 5-2 Optimization for Random or Sequential I/O................................................... 5-3 Write-back/Write-through Cache Enable/Disable.......................................... 5-3 Periodic Cache Flush..................................................................................... 5-4 5.3 View Connected Drives:.............................................................................. 5-5 5.4 Creating a Logical Drive.............................................................................. 5-6 Choosing a RAID Level ................................................................................. 5-6 Choosing Member Drives .............................................................................. 5-6 Logical Drive Preferences.............................................................................. 5-6 Maximum Drive Capacity............................................................................... 5-7 Spare Drive Assignments .............................................................................. 5-7 Disk Reserved Space .................................................................................... 5-7 Write Policy.................................................................................................... 5-7 Initialization Mode .......................................................................................... 5-8 Stripe Size...................................................................................................... 5-8 Beginning Initialization ................................................................................... 5-8 v
Page 1 and 2: Infortrend External RAID Subsystem
Page 3: DEC and Alpha are registered tradem
Page 7 and 8: Restore NVRAM from Disks ..........
Page 9 and 10: Controller Unique Identifier.......
Page 11 and 12: 12.3 Mapping Storage Volumes to Hos
Page 13 and 14: Copy and Replace Drives with Drives
Page 15 and 16: Functional Table of Contents This f
Page 17 and 18: 5.14/7.14 5.15/7.15 Adjust LCD Cont
Page 19 and 20: 13.3.4 Terminal View of Controller
Page 21 and 22: List of Figures Chapter 1 Figure 1
Page 23 and 24: About This Manual This manual provi
Page 25 and 26: Revision History: Version 1.0: •
Page 27 and 28: Version 1.66: Added Chapter 12 “i
Page 29 and 30: then distributes data segments to i
Page 31 and 32: RAID 0 Disk Striping RAID 1 Disk Mi
Page 33 and 34: RAID 5 is similar to RAID 3 but the
Page 35 and 36: 1.5 Identifying Drives Whenever the
Page 37 and 38: When the "Periodic Auto-Detect Fail
Page 39 and 40: 2. Decreasing the time to rebuild a
Page 41 and 42: Figure 1 - 21 Logical Volume with D
Page 43 and 44: logical drive expansion to utilize
Page 45 and 46: Chapter 2 RAID Planning This chapte
Page 47 and 48: 6. Optimization Mode Figure 2 - 1 O
Page 49 and 50: 2.2 Configuring the Array 2.2.1 Sta
Page 51 and 52: 2.3 Operation Theory 2.3.1 I/O Chan
Page 53 and 54: 2.3.3 Making Arrays Available to Ho
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Controller: (1) Channel Mode * Host
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Others: (3) Password N/A User-Defin
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3-2 3.1.1 Configuring RS-232C Conne
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3-4 3.2 Out-of-Band via Ethernet Th
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3-6 2. Create a Reserved Space on t
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3-8 7. PING the IP address from you
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4-2 4.3 Logical Drive Status Logica
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4-4 4.5 SCSI Drive Status SCSI Chan
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4-6 4.7 Controller Voltage and Temp
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Chapter 5 LCD Keypad Operation 5.1
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Each controller optimization mode h
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5.3 View Connected Drives: A RAID s
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change related parameters before in
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The Online Mode: If the online init
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When you are finished setting the p
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5.7 Mapping a Logical Volume/Logica
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The message “Add Local Spare Driv
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Press the up or down arrow keys to
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keys to select "View and Edit Logic
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Write Policy drive. If set to “Co
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Deleting Spare Drive (Global / Loca
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channel for which you wish the term
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Viewing and Editing a SCSI Target -
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Maximum Tag Count Press the up or d
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Issue LIP This option allows you to
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characters are used for a controlle
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Restore NVRAM from Disks If you wan
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then press ENT. Enter any hex numbe
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5.15 SCSI Drive Utilities From the
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Chapter 6 Terminal Screen Messages
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The controller will start initializ
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6.6 SCSI Drive Status Slot Slot num
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6.7 SCSI Channel’s Status Chl SCS
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6.8 Controller Voltage and Temperat
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Chapter 7 Terminal Operation 7.1 Po
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Optimization Mode and Stripe Size E
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Note that the “Continuous Sync”
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IMPORTANT! • Drives of the same b
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A logical drive composed in a non-r
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The array initialization runs in th
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Press [ENTER] and the information o
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7.7 Mapping a Logical Volume to Hos
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If your controller has not been con
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Deleting a Logical Drive Choose the
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The rebuild progress will be displa
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option can be found in “View and
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Scanning New Drive Slot Number Driv
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7.12 Viewing and Editing Channels E
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Deleting an ID Choose the SCSI ID y
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Setting a Transfer Speed Drive Chan
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Slot Number Choose “Slot Number
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Data Rate Issue LIP Terminal Operat
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Mute Beeper 7.13 System Functions C
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Enter the desired password in the c
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7.14 Controller Parameters Controll
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Password Validation Timeout Choose
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The unique identifier setting can b
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SCSI Drive Low-level Format Choose
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Chapter 8 Fibre Operation 8.1 Overv
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load-sharing algorithm to optimize
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Drive IDs: Supported ways to addres
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Limitation: 1. If host connection i
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A drive enclosure usually has drive
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To configure a dual-loop, connect t
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There are two options for controlle
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9-2 Maximum Concurrent Host LUN Con
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9-4 LUNs per Host SCSI ID Choose
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9-6 system. References to “Periph
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9-8 Selecting Head Ranges Selecting
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9-10 IMPORTANT! • If the drives a
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Chapter 10 Enclosure Management Thi
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Event Triggered Operations Select
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Dynamic Caching Mode Switch Control
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Select an item, such as “Trigger
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Chapter 11 NOTE: Data Integrity Thi
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NOTE: 3. UPS AC power loss: Even wi
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11.2 Maintenance 11.2.1 Failed Driv
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IMPORTANT! • The "Periodic Drive
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Select “Task Scheduler” by pres
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If the maintenance schedule include
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loss. Disable this option if you su
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Verification on Writes Errors may o
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12-2 IMPORTANT! Avoid configuring t
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12-4 2. Configure the controller pa
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12-6 logical volume, the whole capa
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13-2 � 13.2.3 Configurable Parame
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13-4 3. For the Fibre-to-Fibre cont
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13-6 Figure 13 - 3 Grouping Hard Dr
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13-8 Figure 13 - 5 Mapping System D
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13-10 assigned to the Secondary Con
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13-12 NOTE: Rolling Firmware Upgrad
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13-14 Figure 13 - 10 Controller Fai
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13-16 NOTE: Controller Settings: Ge
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13-18 The two controllers continuou
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13-20 NOTE: 13.3.1 Setup Flowchart
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13-22 1. Enable Redundant Controlle
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13-24 arrow keys to select “Set S
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13-26 NOTE: Front Panel View of Con
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13-28 current setting will be displ
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13-30 Creating Primary and Secondar
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13-32 NOTE: Terminal Interface View
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13-34 Forcing Controller Failover f
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13-36 Cache Synchronization on Writ
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14-2 #LN #SB #FL NAME Partition Inf
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14-4 14.3 View and Edit Host LUN’
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14-6 14.5 View and Edit SCSI Channe
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14-8 Host Cylinder/Head/Sector Mapp
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14-10 14.7 View and Edit Peripheral
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14-12 14.9 RAID Security: Password
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15-2 NOTE: Infortrend’s RAID Expa
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15-4 15.2 Mode 1 Expansion: Adding
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15-6 Upon completion, there will ap
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15-8 The array members will be list
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15-10 Choose Yes to confirm and pro
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15-12 15.6 Configuration Example: V
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15-14 Follow the steps described in
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15-16 The Extend Volume Wizard will
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Chapter 16 16.1 Overview S.M.A.R.T.
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Select “Clone Failing Drive” ag
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16.1.2 S.M.A.R.T. (Self-Monitoring,
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16.2 Configuration Procedure Enabli
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Using S.M.A.R.T. Functions 1. Enabl
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Chapter 17 Implementations for AV A
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Appendix A Firmware Functionality S
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Advanced Features: Media Scan Suppo
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Scatter / Gather Supported I/O sort
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S.M.A.R.T. Support: Copy & replace
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Bad block autoreassignment Battery
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User Interface: RAIDWatch on-board
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B-2 will hand over the workload and
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B-4 Upgrade the Firmware Binary Onl
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B-6 Upgrading the Firmware Binary O
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C-2 Warning: Force Controller Write
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C-4 CHL:_ NOTICE: Fibre Channel Loo
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C-6 UPS Connection Is Absent SES De
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Terminal CHL:_ FATAL ERROR (_) Even
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Terminal Memory is Now Sufficient t
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C-12 Do? Terminal CHL:_ ID:_ SCSI T
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Terminal SMART-CH:_ ID:_ Predictabl
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Terminal CHL:_ ID:_ ALERT: Redundan
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C-18 What to Do? Terminal CHL:_ Dri
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Logical Drive Events: C-20 Alert: T
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C-22 What to Do? 1. One of the driv
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C-24 Do? Terminal LG:_ Logical Driv
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Event Type �Alert �Warning �N
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General Target Events: C-28 Alert:
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C-30 your Hardware Manual for more
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Event Type �Alert �Warning �N
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What Happens? What to Do? C-34 Devi
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C-36 Notification: SAF-TE Devices:
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C-38 Happens? What to Do? Press to
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C-40 General Peripheral Device: Ter
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Battery Support, 13-18 battery, A-9
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disk mirroring, 1-4 Disk Reserved S
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LCD Title Display Controller Name,
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Periodic Drive Check Time, 7-20, 11
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Shared, 11-7 Shutdown Controller, 5
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