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4. For the operational controller, note that in Mirrored
mode, FRUTIL initializes the mirrored portion of the
Caution: Failure to clear an invalid cache message
replacement cache module, checks for old data on the
(especially a Cache is FAILED message) before setting
the Failover mode can result in a recursive bugcheck error
cache module, and then restarts all device ports. After
message that renders the control er unusable.
device ports restart, FRUTIL tests the cache module
and the ECB. After the tests conclude, the device
ports are quiesced, and a mirror copy of the cache
module data is created on the newly installed cache
d.
Disconnect the PC or terminal from the
module.
maintenance port of the operational controller.
H 5. Determine whether the controller associated with the
H 8. For the controller associated with the replacement
replacement cache module is installed, and then
cache module, complete the following substeps:
complete one of the following options.
H
a. Connect a PC or terminal to the maintenance port
H
■
If the controller associated with the replacement
of the controller associated with the cache
cache module is not installed, FRUTIL exits
module to be replaced.
automatically. After FRUTIL exits, refer to other
instructions for installing an HSG60 or HSG80
H
b.
Identify any invalid or failed cache conditions, if
array controller in dual-redundant configurations.
any exist, by entering the following command:
■
If the controller associated with the replacement
SHOW THIS_CONTROLLER
cache module is installed, continue to the next
step.
H
c.
Clear invalid or failed cache conditions, if any
exist. Refer to Table 14 through Table 16 of the
H 6. For the controller associated with the replacement
“Controller and Cache Replacement
cache module, note and observe the following:
Troubleshooting” appendix in the HP
StorageWorks HSG60 and HSG80 Array
H
■
The controller restarts.
Controller and Array Controller Software
Maintenance and Service Guide for more
H
information on clearing invalid or failed cache
■
The controller restart takes up to 60 seconds,
indicated by the temporary cycling of the port
conditions.
LEDs and a flashing controller Reset button.
Caution: Failure to clear an invalid cache message
H
If the controller does not restart, complete the
(especially a Cache is FAILED message) before setting
following substeps:
the Failover mode can result in a recursive bugcheck error
message that renders the control er unusable.
H
a. Press and hold the controller Reset button on
the controller.
H
d.
Disconnect the PC or terminal from the
H
b. Reseat the program card in the controller.
maintenance port of the controller associated
with the replacement cache module.
H
c. Release the controller Reset button.
9. For the operational controller, complete the following
7. For the operational controller, complete the following
substeps:
substeps:
a. Connect a PC or terminal to the maintenance
a. Observe that FRUTIL restarts the device ports
port.
and then exits.
Caution: In substep 9b below, entering the appropriate
b.
Identify invalid or failed cache conditions by
SET command is critical. Enabling an incorrect Failover
entering the following command:
mode can cause loss of data and incur system down time.
Verify the original failover configuration, and use the
SHOW THIS_CONTROLLER
appropriate SET command to restore this configuration.
c.
Clear invalid or failed cache conditions, if any
exist. Refer to Table 14 through Table 16 in the
“Controller and Cache Replacement
b.
Re-establish the previous Failover mode by
Troubleshooting” appendix of the HP
entering one of the following commands:
StorageWorks HSG60 and HSG80 Array
Controller and Array Controller Software
SET FAILOVER COPY=THIS_CONTROLLER
Maintenance and Service Guide for more
or
information on clearing invalid or failed cache
SET MULTIBUS_FAILOVER
conditions.
COPY=THIS_CONTROLLER
Page 7
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