IBM Storwize V7000, Problem Determination Manual

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For more information about determining and solving block storage problems that
relate to the control enclosure, see “Resolving a problem” on page 189.
Check the intrasystem connectivity by using the management GUI. Navigate to
Monitoring > System . Use the interactive graphic to determine the connection
state by hovering over each connection in the graphic.
If either of the Fibre Channel links from the file modules shows an error or
degraded state, see “Fibre Channel connectivity between file modules and control
enclosure” on page 30.
If
mgmt0
, the direct Ethernet link between the file modules, shows an error or
degraded state, see “Ethernet connectivity between file modules” on page 25.
If one or both of the Fibre Channel links from the file module to the control
enclosure show an error or a degraded state, see “File module to control
enclosure” on page 27.
Check the core component health. Navigate to Monitoring > System Details >
Interface Nodes > nodename > NAS Services . In the Status panel, check the CTDB
state and the GPFS state.
If the GPFS state is
Active
, but the CTDB state is not
Active
, see “Checking CTDB
health” on page 160; otherwise, see “Checking the GPFS file system mount on each
file module” on page 162.
If you have lost access to the files, but there is no sign that anything is wrong with
the Storwize V7000 Unified system, see “Host to file modules connectivity” on
page 24.
Installation troubleshooting
This topic provides information for troubleshooting problems encountered during
the installation.
Software issues are often reported through CLI commands at system configuration
and through error codes. Power problems can often be solved through identifying
visual symptoms.
Problems with initial configuration
This topic helps you to solve configuration problems.
If USB key is missing or faulty:
v
Contact the IBM Support Center.
v Install the latest InitTool.exe (or reinstall if tool is not launching). Go to
http://www-933.ibm.com/support/fixcentral/options and select the following
options to locate the tool. The options are listed under the
Select product tab, at
the bottom of the page:
– Product Group:
Storage Systems
– Product Family:
Disk Systems
– Product: IBM Storwize V7000 Unified
– Release: All
– Platform: All
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Storwize V7000 Unified: Problem Determination Guide Version
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