•
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