Decreasing Pool Capacity; Stopping The Decrease Of Pool Capacity; Deleting A Tier In A Pool - HP XP7 User Manual

When pool-VOLs in the tier are empty, the appropriate tier is deleted.
Deleting the pool-VOL stops the tier relocation. The process resumes after the pool-VOL is
deleted.
Notes on using Fast Snap
You cannot delete a pool-VOL under these conditions.
If the pool-VOL is deleted, the used capacity of the pool-VOL exceeds the pool threshold.
If the pool-VOL with system area is deleted, more than 4.2 GB of free space is necessary in
the pool.

Decreasing pool capacity

The Storage Administrator (Provisioning) role is required to perform this task.
1. In the Remote Web Console main window, in the Storage Systems tree, select Pool.
The pool name appears below Pool.
2. Select the pool that contains the pool-VOLs to be deleted.
3. From the Pool volumes, select the pool-VOL to be deleted.
You cannot delete pool-VOLs unless Shrinkable is applied.
4. Click Shrink Pool.
The Shrink Pool window opens.
The details of Before Shrinking and After Shrinking, including the pool capacity, the used
pool capacity and the free pool capacity, appears in Prediction Result of Shrinking.
5. In the Confirm window, confirm the settings, in Task Name type a unique name for this task
or accept the default, then click Apply.
If Go to tasks window for status is checked, the Tasks window opens.

Stopping the decrease of pool capacity

The Storage Administrator (Provisioning) role is required to perform this task.
1. In the Remote Web Console main window, in the Storage Systems tree, select Pool.
2. From the Pools, select the pool for which you want to stop decreasing pool capacity.
3. Click Stop Shrinking Pools.
The Stop Shrinking Pools window opens.
4. In the Confirm window, confirm the settings, in Task Name type a unique name for this task
or accept the default, then click Apply.
If Go to tasks window for status is checked, the Tasks window opens.

Deleting a tier in a pool

The Storage Administrator (Provisioning) role is required to perform this task.
To delete a tier in a pool, you must delete all the pool-VOLs in the tier to be deleted. When
pool-VOLs in the tier are empty, the appropriate tier is deleted.
If you delete a pool, its pool-VOLs (LDEVs) will be blocked. If they are blocked, format them before
using them.
You cannot delete the pool-VOL when:
Creating the pool.
Deleting the pool.
Increasing the pool capacity.
150 Configuring thin provisioning