Following are cases that the formatted pool capacity may decrease:Viewing formatted pool capacity
The Storage Administrator (Provisioning) role is required to perform this task.
Perform one of following to display the Pools window.
For Hitachi Command Suite:
On the Resource tab, expand the Storage Systems tree. Right click DP Pools of the target storage system, then select System GUI.
For Storage Navigator:
In the tree on the left pane of the main window, select Pools.
From the Pools table on the right, click the row of a pool you want to confirm the free pool capacity.
Click More Actions to select View Pool Management Status.
The View Pool Management Status window appears.
Following are cases that the free space of the pool is not formatted. In those cases, the free space of the pool may not increase:
Pools other than the selected pool are being formatted.
The pool usage level reaches up to the warning threshold or the depletion threshold.
The selected pool is blocked.
I/O loads to the storage system are high.
The cache memory is blocked.
Pool-VOLs in the selected pool are blocked.
Pool-VOLs which are external volumes in the selected pool are blocked.
Correction access executes to the pool-VOL in the selected pool.
Following are cases that the formatted pool capacity may decrease:
New pages are being allocated.
LDEV format is being performed on the pool-VOL.
Correction copy is being executed.