HP XP P9500 Storage User Manual

Page 189

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Causes and Solutions

Problems

Solutions:

•

Add some pool-VOLs to the pool. See

(page 132)

.

•

Increase the value of Subscription Limit for the pool. See

(page 128)

.

•

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

(page 139)

.

•

Ask the 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

(page 71)

.

Causes:

•

A failure occurred in two or more data drives.

Solutions:

•

Ask the 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 the 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 Refresh or Refresh All from the File
menu at the top left of the Remote Web Console window, and then
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

(page 73)

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

(page 132)

).

•

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

(page 139)

.

•

Ask the HP Technical Support to solve the problem.

Causes:

A pool cannot be deleted.

•

The pool usage is not 0.

•

External volumes are removed from the pool before you delete the
pool.

•

THP V-VOLs have not been deleted.

Troubleshooting Thin Provisioning 189

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