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HP XP P9500 Storage User Manual

Page 162

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Causes and Solutions

Problems

Solutions:

Add some pool-VOLs to the pool. See

“Increasing pool capacity”

(page 123)

.

Perform the operation to reclaim zero pages in order to release pages
in which zero data are stored. See

“About releasing pages in a THP

V-VOL” (page 130)

.

Increase the value of Subscription Limit for the pool. See

“Changing

the pool subscription limit” (page 119)

.

Ask HP Technical Support to solve the problem.

Causes:

Cannot add a pool-VOL.

1,024 pool-VOLs are already defined in the pool.

The pool-VOL does not fill the requirements for a pool-VOL.

Something in the storage system is blocked.

Solution:

Change the setting of the LDEV to satisfy the requirement of the
Pool-VOL. See

“Pool-VOL requirements” (page 56)

.

Causes:

A failure occurred in two or more data drives.

Solutions:

Ask HP Technical Support to solve the problem.

A pool-VOL is blocked. SIM code 627XXX is
reported.

Causes:

The breaker has been turned off and the shared memory has been
lost, and then the system has been started.

Solutions:

Ask HP Technical Support to solve the problem.

A pool is blocked.

Causes:

A pool cannot be restored.

Processing takes time, because something in the storage system is
blocked.

The pool-VOL is blocked.

The THP V-VOL capacity has increased but has been reduced back
to the previous THP V-VOL capacity.

Usage of the pool has reached to 100%.

Solutions:

After waiting for a while, click File > Refresh All on the menu bar of
the Remote Web Console main window, and check the pool status.

If you increased the THP V-VOL capacity but the THP V-VOL capacity
has been reduced back to the previous THP V-VOL capacity, follow
the instructions in

“Requirements for increasing THP V-VOL capacity”

(page 58)

to make sure that the capacity is increased, and then

restore the pool.

Add some pool-VOLs to the pool to increase the capacity of the pool.
See

“Increasing pool capacity” (page 123)

).

Perform the operation to reclaim zero pages in order to release pages
in which zero data are stored. See

“About releasing pages in a THP

V-VOL” (page 130)

.

Ask HP Technical Support to solve the problem.

162

Troubleshooting