HP ProLiant 3000 Compaq ProLiant Cluster HA/F100 and HA/F200 Administrator Gui - Page 134

Troubleshooting the Compaq ProLiant Clusters HA/F100 and HA/F200

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Troubleshooting the Compaq ProLiant Clusters HA/F100 and HA/F200 6-9 Table 6-3 Solving Shared Storage Problems continued Problem Possible Cause Data on shared storage appears to be overwritten. MSCS may not be loaded and therefore cannot manage access to drive volumes in the shared storage. The second node cannot connect to the shared drives. Physical connection from the second node to the Compaq StorageWorks Fibre Channel Storage Hub does not exist. Shared RA4000 drives are not assigned the same drive letters on both nodes. The second node was powered on before the storage hub or the RA4000. Action 1. Ensure MSCS is loaded on both cluster nodes. 2. Using the Control Panel Service applet on each node, verify the cluster service is running. 1. Verify all Fibre Channel cables are properly connected to the GBIC-SW modules. For details on how to connect the GBIC-SW modules and the Fibre cables, see the Compaq RA4000 Storage System User Guide. 2. Verify that all Fibre Channel cables are properly connected to their GBIC-SW modules. Run Windows NT Disk Administrator on each node to verify all shared drives are assigned identical, permanent drive letters. Shut down the second node, turn it off, then turn it on. continued

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Troubleshooting the Compaq ProLiant Clusters HA/F100 and HA/F200
6-9
Table 6-3
Solving Shared Storage Problems
continued
Problem
Possible Cause
Action
Data on shared storage appears
to be overwritten.
MSCS may not be loaded and
therefore cannot manage access
to drive volumes in the shared
storage.
1.
Ensure MSCS is loaded on
both cluster nodes.
2.
Using the Control Panel
Service applet on each node,
verify the cluster service is
running.
Physical connection from the
second node to the Compaq
StorageWorks Fibre Channel
Storage Hub does not exist.
1.
Verify all Fibre Channel cables
are properly connected to the
GBIC-SW modules. For details
on how to connect the
GBIC-SW modules and the
Fibre cables, see the
Compaq
RA4000 Storage System User
Guide
.
2.
Verify that all Fibre Channel
cables are properly connected
to their GBIC-SW modules.
Shared RA4000 drives are not
assigned the same drive letters on
both nodes.
Run Windows NT Disk Administrator
on each node to verify all shared
drives are assigned identical,
permanent drive letters.
The second node cannot
connect to the shared drives.
The second node was powered on
before the storage hub or the
RA4000.
Shut down the second node, turn it
off, then turn it on.
continued