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HP XP P9500 Storage User Manual

Page 163

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Causes and Solutions

Problems

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.

Solutions:

Confirm that the pool usage is 0 after the THP V-VOLs are deleted,
and then you can delete the pool.

Ask HP Technical Support to solve the problem.

Causes:

A failure occurs to the application for
monitoring the volumes installed in a host.

Free space of the pool is insufficient.

Something in the storage system is blocked.

Solutions:

Check the free space of the pool and 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.

Causes:

When the host computer tries to access the
port, error occurs and the host cannot access
the port.

Free space of the pool is insufficient.

Something in the storage system is blocked.

Solutions:

Check the free space of the pool and 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.

Causes:

When you are operating Remote Web
Console, a timeout occurs frequently.

The load on the Remote Web Console computer is too heavy, so that
the Remote Web Console computer cannot respond to the SVP.

The period of time until when time-out occurs is set too short.

Solutions:

Wait for a while, then try the operation again.

Verify the setting of the environment parameter of Remote Web
Console RMI time-out period. For information about how to set the
RMI time-out period, see the HP XP P9000 Remote Web Console
User Guide
.

Solutions:

THP V-VOL capacity cannot be increased.

After clicking File > Refresh All on the menu bar of the Remote Web
Console main window, confirm whether the processing for increasing
THP V-VOL capacity meets conditions described in

“Requirements

for increasing THP V-VOL capacity” (page 58)

.

Retry the operation after 10 minutes or so.

Ask HP Technical Support to solve the problem.

Troubleshooting Thin Provisioning Z 163