4.
In the
Available Pool Volumes
table, select the pool-VOL row to be associated with a
pool. Then click
Add
.
The selected pool-VOL is registered in the
Selected Pool Volumes
table. Up to 1,024
volumes can be added to a pool.
You can add volumes with the same
Drive Type/RPM
and different
RAID Level
s. For
example, you can add a volume that has an SAS/15K
Drive Type/RPM
and a 5(3D+1P)
RAID Level
to the same pool with a volume that has an SAS/15K
Drive Type/RPM
and
a 5(7D+1P)
RAID Level
.
NOTE:
You can select a value other than
Middle
from
External LDEV Tier Rank
and click
Add
to set another tier rank for an external volume.
TIP:
Perform the following steps if necessary:
•
Click
Filter
to open the menu, specify the filtering, then
Apply
.
•
Click
Select All Pages
to select all pool-VOLs in the table. To cancel the selection,
click
Select All Pages
again.
•
Click
Options
to specify the volumes or the number of rows to be displayed.
5.
Click
OK
.
The information in the
Selected Pool Volumes
table is applied to
Total Selected Pool
Volumes
and
Total Selected Capacity
.
8.
In the
Pool Name
text box, enter the prefix and initial number of the pool. The pool name may
consist of up to 32 characters.
Prefix
: Case-sensitive, alphanumeric characters that begin the pool name.
Initial Number
: From 1 to 9 digits that follow the prefix.
9.
Click
Options
.
10. In the
Initial Pool ID
text box, type the number of the initial pool ID, from 0 to 127.
When you specify a pool ID that was previously registered, the smallest available ID is
displayed by default instead of the value you entered. If a pool ID unavailable, no number is
displayed.
11. In the
Subscription Limit
text box, enter an integer value from 0 to 65534 as the subscription
rate (%) for the pool.
If no number is entered, the subscription rate is set to unlimited.
12. In the
Warning Threshold
text box, enter an integer value from 1 to 100 as the rate (%) for
the pool. The default value is 70%.
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. Configure Smart Tiers with the following steps.
From the
Tier Management
option, select
Auto
or
Manual
.
Working with pools
127