IBM Storwize V7000 Unified Problem Determination Manual page 4

Service assistant interface .
Storage system command-line interface.
Service command-line interface .
USB flash drive and Initialization tool interface
Event reporting. . . .
Understanding events
Event notifications. .
Power-on self-test . .
Understanding events
Understanding the error codes
Viewing logs and traces .
Understanding the Storwize V7000 Unified battery
operation for the control enclosure .
Maintenance discharge cycles .
Understanding the medium errors and bad blocks
Resolving a problem . .
Start here: Use the management GUI
recommended actions
Problem: Another system may be using the
system IP address . .
Problem: Unable to change the system IP
address because you cannot access the CLI
Problem: Management IP address unknown .
Problem: Unable to connect to the management
GUI . . . . . .
Problem: Unable to log on to the management
GUI . . . . . .
Problem: Cannot create a clustered storage
system . . . . .
Problem: Node canister service IP address
unknown . . . . .
Problem: Cannot connect to the service assistant 207
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 209
Problem: Mirrored volume copies no longer
identical . . . . .
Problem: Command file not processed from USB
flash drive . . . .
Procedure: FCoE host-link .
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 the Ethernet
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 . . .
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Storwize V7000 Unified: Problem Determination Guide Version
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Procedure: Accessing a canister using a directly
attached Ethernet cable .
Procedure: Reseating a node canister
Procedure: Powering off your system .
Procedure: Collecting information for support
Procedure: Rescuing node canister software
from another node (node rescue) .
Removing and replacing parts .
Preparing to remove and replace parts .
Replacing a node canister .
Replacing an expansion canister .
Replacing an SFP transceiver .
Replacing a power supply unit for a control
enclosure . . . . .
Replacing a power supply unit for an expansion
enclosure . . . . .
Replacing a battery in a power supply unit .
Releasing the cable retention bracket
Replacing a 3.5" drive assembly or blank carrier 241
Replacing a 2.5" drive assembly or blank carrier 243
Replacing enclosure end caps .
Replacing a SAS cable
Replacing a control enclosure chassis
Replacing an expansion enclosure chassis .
Replacing the support rails .
General storage system procedures .
SAN problem determination .
Fibre Channel link failures .
Ethernet iSCSI host-link problems
Recover system procedure .
When to run the recover system procedure
Fix hardware errors .
Removing system information for node canisters
with error code 550 or error code 578 using the
service assistant . .
Performing system recovery using the service
assistant . . . . .
Recovering from offline VDisks using the CLI
What to check after running the system
recovery . . . . .
Backing up and restoring the system configuration 264
Backing up the system configuration using the
CLI. . . . . . .
Deleting backup configuration files using the
CLI. . . . . . .
Chapter 6. Call home and remote
support . . . . . . . . . . . . . . 269
Configuring the remote support system
Establishing an AOS connection .
Chapter 7. Recovery procedures . . . 273
User ID and system access .
Accessing a file module as root .
Recovering from losing the root password.
Resetting the NAS ssh key for configuration
communications . .
Working with NFS clients that fail to mount
NFS shares after a client IP change .
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