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

Upgrading to ACS Version 8.7P Software
231Data Replication Manager HSG80 ACS Version 8.7P Configuration Guide
T 14. After Controller A restarts, restore the CACHE_FLUSH_TIMER to the value recorded in
step 4 using the following commands:
HSGA> SET THIS_CONTROLLER CACHE_FLUSH_TIMER=n
HSGA> SET OTHER_CONTROLLER CACHE_FLUSH_TIMER=n
T 15. For each unit, restore the WRITEBACK_CACHE settings as recorded in step 5:
HSGA> SET unit-name WRITEBACK_CACHE
T 16. Restore all snapshot units removed in step 2.
T 17. Disconnect the PC or terminal from the maintenance port of Controller A.
Completion of the Initiator Site Upgrade Procedure
I 1. After Controller A restarts, restore the CACHE_FLUSH_TIMER to the value recorded in
step 4 on page 225:
HSGA> SET THIS_CONTROLLER CACHE_FLUSH_TIMER=n
HSGA> SET OTHER_CONTROLLER CACHE_FLUSH_TIMER=n
I 2. For each unit, restore the writeback_cache settings as recorded in step 5 on page 225:
HSGA> SET unit-name WRITEBACK_CACHE
I 3. Restore all snapshot units removed in step 2 on page 224.
I 4. Disconnect the PC or terminal from the maintenance port of Controller A.
This completes the rolling upgrade to ACS Version 8.7P software.
Shutdown Upgrade Procedure for 8.7P
Specific controllers are referred to as Controller A or Controller B in this procedure. For
clarity, the CLI prompts illustrated in this procedure use HSGA
> and HSGB> to indicate
which controller (A or B) is used.
Note: The steps in this procedure must be followed exactly for the upgrade procedure to work
properly. This procedure takes 5 to 10 minutes per site. The units involved are unavailable during
the upgrade procedure.
Use this procedure when upgrading from ACS Version 8.5. It must also be used for upgrading from
Version 8.6F, 8.6G, 8.6L, or 8.6S to allow for rewiring of the fabrics into a DRM-supported
configuration.
Initiator Site Shutdown Upgrade Procedure
Begin the shutdown upgrade using the following procedure on the initiator site controllers:
I 1. From a host console, stop all host activity to the controllers and dismount the logical units
in the subsystem.
I 2. Connect a PC or terminal to the maintenance port of Controller A at the initiator site.
I 3. Delete any snapshot units by performing the following steps:
a. Identify all snapshot units:
HSGA> SHOW UNITS FULL