Viewing The Progress Of Rebalancing The Usage Level Among Parity Groups; Increasing Pool Capacity - HP XP7 User Manual

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.
NOTE: 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.

Viewing the progress of rebalancing the usage level among parity groups

Use this procedure to view the progress of rebalancing the usage level among parity groups of a
pool.
Prerequisites
The Storage Administrator (Provisioning) role is required to perform this task.
Procedure
1. Open the Pools window.
In Command View Advanced Edition:
a. On the Resources tab, click Storage Systems, and then expand All Storage Systems.
b. Expand the target storage system, right-click THP Pools, and then select System GUI.
In Remote Web Console:
a. Click Storage Systems, and then expand the Storage Systems tree.
b. Click Pools.
2. From the Pools table, click the row of a pool with you want to check the progress of rebalancing
the usage level among parity groups.
3. Click More Actions to select View Pool Management Status.
The View Pool Management Status window appears.
NOTE: Following are cases that the progress ratio may not increase:
The usage level is being rebalanced among the parity groups in pools other than the selected
pool.
Tier relocation is performed.

Increasing pool capacity

Adding the pool-VOL to the pool created for Thin Provisioning Z or Smart Tiers Z increases the
pool capacity. The amount of pool capacity registered in the pool represents the pool capacity.
You need to check the pool free capacity to determine if additional pool capacity is required. You
cannot increase the pool capacity while it is being shrunk.
Managing pools and THP V-VOLs 143