Changing storage system modes – HP StorageWorks XP Remote Web Console Software User Manual

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e.

Click Apply.

f.

Repeat step 7b through step 7e until you have allocated the external storage groups to
the appropriate CLPRs according to the plan you created after reading

Partitioning cache

for external storage

.

For complete information about creating SLPRs and CLPRs, see the HP XP Disk/Cache Partition
user guide for XP12000/XP10000 Disk Arrays and SVS 200
.

Changing storage system modes

In addition to cache partitioning and cache modes, array system modes control LU cache usage.
HP service representatives can set the XP and SVS200 array system modes to adjust the array's
behavior.

For SVS200 arrays, no adjustments are needed.

For XP arrays, contact your HP account support representative to change the system modes if either
of the following is true:

Your external LUs are used by XP or SVS200 data mirroring and data migration products
such as XP Business Copy, XP Snapshot, XP Auto LUN, or XP Tiered Storage Manager.

You need cache enabled for external LUs.

Changing storage system modes

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