HP P9000 Provisioning for Open and Mainframe Systems User Guide

Causes and SolutionsProblems
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