13. In the
Depletion Threshold
text box, enter an integer value from 1 to 100 as the rate (%) for
the pool. The default value is 80%.
Enter a value that is greater than the value of the
Warning Threshold
.
14. In
Protect V-VOLs when I/O fails to Blocked Pool VOL
, select
Yes
or
No
. If
Yes
is selected,
when the pool-VOL is blocked, THP V-VOL is protected from reading and writing requests.
And at the same instant, the access attribute of the THP V-VOL is changed to the Protect
attribute.
15. In
Protect V-VOLs when I/O fails to Full Pool
, select
Yes
or
No
. If
Yes
is selected, when the
pool usage reaches the full size, THP V-VOL is protected from reading and writing requests.
And at the same instant, the access attribute of the THP V-VOL is changed to the Protect
attribute.
16. Click
Add
.
The created pool is added to the
Selected Pools
table. If invalid values are set, an error message
appears.
If an item that must be set is not entered or selected, you cannot click
Add
.
The
Pool Type
,
Pool Volume Selection
, and
Pool Name
must be set. If the required items are
not entered or selected, you cannot click
Add
If you select a row and click
Detail
, the
Pool Properties
window appears. If you select a row
and click
Remove
, the message appears asking whether you want to remove the selected row
or rows. If you want to remove the row, click
OK
.
17. Click
Next
.
The
Create LDEVs
window appears. Go to
to create LDEVs.
If
Subscription Limit
of the created pool is set to 0%, the
Create LDEVs
window does not appear.
Click
Finish
and the
Confirm
window appears.
18. In the
Confirm
window, click
Apply
to register the setting in the task.
If you select a row and click
Detail
, the
Pool Properties
window appears.
If the
Go to tasks window for status
checkbox is selected, the
Tasks
window appears.
For Smart Tiers pool when selecting pool-VOLs manually
To create pools by selecting pool-VOLs manually:
1.
In the
Storage Systems
tree on the left pane of the top window, select
Pool
.
The
Pool
window appears.
2.
Click
Create Pools
.
The
Create Pools
windows appears.
3.
From the
Pool Type
list, select
Thin Provisioning
.
4.
From the
System Type
list, select
Open
.
5.
From the
Smart Pool
field, select
Enable
.
NOTE:
You cannot select
Enable
if the storage system has only external volumes with the
Cache Mode
set to
Disable
.
6.
From the
Pool Volume Selection
field, select
Manual
.
7.
Follow the steps below to select pool-VOLs.
1.
In the
Drive Type/RPM
list, make sure
Mixable
is selected.
2.
In the
RAID Level
list, make sure
Mixable
is selected.
3.
Click
Select Pool VOLs
.
The
Select Pool VOLs
window appears.
126
Configuring thin provisioning