IBM Storwize V7000 Unified Problem Determination Manual page 4

Errors and messages . .
Understanding error codes .
Understanding event IDs
File module hardware problems .
Removing and replacing parts for the 2073-720
How to reset/reboot server iMM interface.
File module software problems
Logical devices and physical port locations for a
2073-720 file module .
Management node role failover procedures ..
Checking CTDB health .
Checking the GPFS file system mount on each file
module . . . . . .
Identifying created and mounted file system
mounts . . . . .
Resolving problems with missing mounted file
systems . . . . .
Resolving stale NFS file systems .
Checking user and server authentication issues ..
Resolving the "Missing SRV record in DNS"
error . . . . . .
If "netgroup" functionality with NIS or LDAP is
not working . . . .
Possible misconfiguration on the Storwize V7000
Unified system . . .
Trouble accessing exports when authentication
server and clientStorwize V7000 Unified
configurations are correct .
Resolving access failures on an Storwize V7000
Unified system with a subordinate ID map role . 193
Checking client access .
Checking network interface availability.
Recovering a GPFS file system
Resolving an ANS1267E error .
Resolving issues reported by lshealth .
Error for "MGMTNODE_REPL_STATE ERROR
DATABASE_REPLICATION_FAILED" .
Resolving network errors .
Resolving full condition for GPFS file system.
Analyzing GPFS logs . .
Synchronizing time on the file modules
Chapter 5. Control enclosure. . . ..
Storwize V7000 system interfaces .
Service assistant interface .
Storage system command-line interface.
Service command-line interface .
USB flash drive and Initialization tool interface
Starting statistics collection .
Event reporting. . . .
Understanding events
Event notifications. .
Power-on self-test . .
Understanding event codes .
Understanding the error codes
Viewing logs and traces .
Battery operation for the control enclosure
Battery operation for Storwize V7000 Gen2
control enclosures . .
Battery operation for Storwize V7000 Unified
Gen1 control enclosures .
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Storwize V7000 Unified: Problem Determination Guide 2073-720
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Understanding the medium errors and bad blocks
Resolving a problem . .
Start here: Use the management GUI
recommended actions
Problem: Management IP address unknown ..
Problem: Unable to connect to the management
GUI . . . . . .
Problem: Unable to log on to the management
GUI . . . . . .
Problem: Cannot initialize or create a clustered
system . . . . .
Problem: Node canister service IP address
unknown . . . . .
Problem: Cannot connect to the service assistant 245
Problem: Management GUI or service assistant
does not display correctly .
Problem: A node canister has a location node
error . . . . . .
Problem: SAS cabling not valid .
Problem: New expansion enclosure not detected 248
Problem: Control enclosure not detected .
Problem: Mirrored volume copies no longer
identical . . . . .
Problem: Command file not processed from USB
flash drive . . . .
Procedure: Resetting superuser password .
Procedure: Identifying which enclosure or
canister to service . .
Procedure: Checking the status of your system
Procedure: Getting node canister and system
information using the service assistant .
Procedure: Getting node canister and system
information using a USB flash drive .
Procedure: Understanding the system status
using the LEDs . . .
Procedure: Finding the status of Ethernet
connections . . . .
Procedure: Finding the status of Storwize V7000
Gen2 SAS connections .
Procedure: Removing system data from a node
canister . . . . .
Procedure: Deleting a system completely .
Procedure: Fixing node errors .
Procedure: Changing the service IP address of a
node canister . . .
Procedure: Initializing a clustered system with a
USB flash drive without using the initialization
tool. . . . . . .
Procedure: Initializing a clustered system using
the service assistant .
Procedure: Accessing the service assistant from
the technician port .
Procedure: Accessing aStorwize V7000 Gen1
canister using a directly attached Ethernet cable . 276
Problem: Reseating a node canister .
Procedure: Removing a Storwize V7000 Gen2
node canister . . .
Procedure: Powering off your system .
Procedure: Powering on the Storwize V7000
Gen2 system. . . .
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