Contents
Figures ..............vii
Tables ...............ix
Safety and environmental notices . . . xi
Safety ................xi
Safety statements ............xiii
Sound pressure ............xvii
About this guide ..........xix
Who should use this guide .........xix
Emphasis ...............xix
Storwize V7000 Unified library and related
publications ..............xix
How to order IBM publications .......xxii
Sending your comments..........xxii
Chapter 1. Storwize V7000 Unified
hardware components ........1
Chapter 2. Best practices for
troubleshooting ...........3
Record access information ..........3
Follow power management procedures .....4
Set up event notifications ..........4
Back up your data ............5
Manage your spare and failed drives ......5
Resolve alerts in a timely manner .......5
Keep your software up to date ........6
Keep your records up to date.........6
Subscribe to support notifications .......6
Know your IBM warranty and maintenance
agreement details .............7
Chapter 3. Getting started
troubleshooting ...........9
Installation troubleshooting .........10
Problems with initial configuration .....10
Installation error codes .........12
Problems reported by the CLI commands during
software configuration..........19
Easy Setup Wizard failure ........20
GUI access issues ............21
Health status and recovery .........22
Connectivity issues ............24
Host to file modules connectivity ......24
Ethernet connectivity between file modules. . . 25
File module to control enclosure ......27
Fibre Channel connectivity between file modules
and control enclosure ..........30
Understanding LED hardware indicators ....34
File node hardware indicators .......34
Enclosure hardware indicators .......42
Management GUI interface .........47
When to use the management GUI .....48
Accessing the Storwize V7000 Unified
management GUI ...........49
Using fix procedures ..........49
Chapter 4. File module ........51
General file module procedures........51
Rebooting a file module .........51
Removing a file module to perform a
maintenance action ...........51
Removing and replacing file module components 53
Hard disk drive problems ........56
Monitoring memory usage on a file module . . 76
Errors and messages ...........76
Understanding error codes ........76
Understanding event IDs .........80
File module hardware problems .......81
Removing and replacing parts .......81
How to reset/reboot server iMM interface. . . 156
File module software problems .......156
Logical devices and physical port locations . . 156
Management node role failover procedures . . 157
Checking CTDB health ..........160
Checking the GPFS file system mount on each file
module ...............162
Identifying created and mounted file system
mounts ..............162
Resolving problems with missing mounted file
systems ..............163
Resolving stale NFS file systems ......164
Checking user and server authentication issues . . 164
Error for “Missing SRV record in DNS” . . . 164
If “netgroup” functionality with NIS is not
working ..............165
Possible client misconfiguration ......165
Trouble accessing exports when server and
client configuration are correct ......165
Checking client access ..........166
Checking network interface availability.....166
Recovering a GPFS file system .......167
Resolving an ANS1267E error ........168
Resolving issues reported for lshealth .....168
Error for “MGMTNODE_REPL_STATE ERROR
DATABASE_REPLICATION_FAILED” ....168
Resolving network errors .........169
Resolving full condition for GPFS file system. . . 170
Analyzing GPFS logs ...........171
Synchronizing time on the file modules ....171
Chapter 5. Control enclosure.....173
Storwize V7000 system interfaces .......173
Service assistant interface ........173
Storage system command-line interface....175
Service command-line interface ......175
© Copyright IBM Corp. 2011, 2012 iii
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