HP ProLiant 4500 Compaq ProLiant Cluster HA/F100 and HA/F200 Administrator Gui - Page 135

Compaq, StorageWorks RAID Array, User Guide's

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6-10 Compaq ProLiant Clusters HA/F100 and HA/F200 Administrator Guide Table 6-3 Solving Shared Storage Problems continued Problem Possible Cause Compaq Redundancy Manager shows cluster in nonredundant mode. You are using ACU to expand capacity. ICL has failed. Mismatched firmware on the array controllers. Drive rebuild automatically restarts. Failover may have occurred. Storage performance is marginal. Cache modules on the array controllers do not match. Windows NT Event Log states: The Host Bus Adapter in slot %1 has averaged more than %2 Elastic Store Errors over the five seconds. The loop has become unstable. The adapter has been taken offline. GBIC-SW laser has malfunctioned. Action The firmware will automatically put the RA4000 in nonredundant mode during capacity expansion. This is normal behavior. Check Windows NT Event Log to determine if the ICL (interconnect link) to has failed. 1. Check to make sure the firmware version levels match. 2. If they do not match, use Options ROMPaq to update the firmware. Check to see if a failover has occurred. It is normal behavior for a drive rebuild to restart if a failover has occurred. Obtain and replace cache module so that cache levels match on both array controllers. 1. Manually fail over resources. 2. Refer to the Compaq StorageWorks RAID Array 4000 User Guide's "Replacing GBICs" chapter for instructions on replacing a GBIC-SW. 3. Manually fail back resources. continued

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6-10
Compaq ProLiant Clusters HA/F100 and HA/F200 Administrator Guide
Table 6-3
Solving Shared Storage Problems
continued
Problem
Possible Cause
Action
Compaq Redundancy Manager
shows cluster in nonredundant
mode.
You are using ACU to expand
capacity.
The firmware will automatically
put the RA4000 in nonredundant
mode during capacity expansion.
This is normal behavior.
ICL has failed.
Check Windows NT Event Log to
determine if the ICL (interconnect
link) to has failed.
Mismatched firmware on the
array controllers.
1.
Check to make sure the
firmware version levels
match.
2.
If they do not match, use
Options ROMPaq to update
the firmware.
Drive rebuild automatically
restarts.
Failover may have occurred.
Check to see if a failover has
occurred. It is normal behavior for
a drive rebuild to restart if a
failover has occurred.
Storage performance is marginal.
Cache modules on the array
controllers do not match.
Obtain and replace cache module
so that cache levels match on
both array controllers.
Windows NT Event Log states:
The Host Bus Adapter in slot %1
has averaged more than %2
Elastic Store Errors over the five
seconds. The loop has become
unstable. The adapter has been
taken offline.
GBIC-SW laser has malfunctioned.
1.
Manually fail over resources.
2.
Refer to the
Compaq
StorageWorks RAID Array
4000
User Guide’s
“Replacing GBICs” chapter
for instructions on replacing
a GBIC-SW.
3.
Manually fail back
resources.
continued