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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