When the pool-VOLs of a pool are empty, the appropriate tier is deleted.Deleting a pool
The Storage Administrator (Provisioning) role is required to perform this task.
When you delete a pool, its pool-VOLs (LDEVs) are blocked. If the pool-VOLs are blocked, they must be formatted before they can be reused. If the blocked pool-VOL is an external volume, select Normal Format when formatting the volume. You can delete a pool only when all of the DP-VOLs have been deleted.
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, select the pool to be deleted.
Perform one of following to display the Delete Pools window.
Click More Actions - Delete Pools.
Click Actions > Pool > Delete Pools to open the window.
You cannot delete a pool whose usage is not 0%, or a pool for which DP-VOLs are assigned.
Click Finish.
The Confirm window opens.
To continue with the shredding operation and delete volume data, click Next. For details about the shredding operation, see Hitachi Volume Shredder User Guide.
If the pool is blocked, you might not be able to perform shredding operations.
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.
When the pool-VOLs of a pool are empty, the appropriate tier is deleted.