HP StorageWorks Data Replication Manager HSG80 ACS Version 8.7P Configuration Guide (AA-RPHZF-TE, March 2004)

Upgrading to ACS Version 8.7P Software
232 Data Replication Manager HSG80 ACS Version 8.7P Configuration Guide
b. Record the configuration for each snapshot unit for later restoration.
c. Delete all snapshot units individually with the following command:
HSGA> DELETE snapshot-unit-name
I 4. Verify that all snapshot units are deleted:
HSGA> SHOW UNITS FULL
Note: If any snapshot unit exists, repeat step 3.
I 5. Identify and record the current CACHE_FLUSH_TIMER value:
HSGA> SHOW THIS_CONTROLLER
The following text is only a portion of the resulting display:
Note: The CACHE_FLUSH_TIMER value appears in the caching parameters section. This
parameter is modified during the procedure and must be restored later.
I 6. Set the CACHE_FLUSH_TIMER to 1 second to minimize the flush time:
HSGA> SET THIS_CONTROLLER CACHE_FLUSH_TIMER=1
HSGA> SET OTHER_CONTROLLER CACHE_FLUSH_TIMER=1
I 7. Determine whether all data has been flushed from the cache module:
HSGA> SHOW THIS_CONTROLLER
The following text is only a portion of the resulting display:
Note: Repeat step 7 on both controllers (THIS_CONTROLLER and OTHER_CONTROLLER) until no
unflushed data remains in either cache module memory.
I 8. Shut down both controllers:
HSGA> SHUTDOWN OTHER_CONTROLLER
HSGA> SHUTDOWN THIS_CONTROLLER
Cache:
256 megabyte write cache, version 0022
Cache is GOOD
No unflushed data in cache
CACHE_FLUSH_TIMER=DEFAULT (10 seconds)
Cache:
256 megabyte write cache, version 0022
Cache is GOOD
No unflushed data in cache
CACHE_FLUSH_TIMER=1 SECOND