HP XP7 User Manual page 130

NOTE:
6. Click OK.
The information in the Pool Configuration Patterns table is applied to Total Pool Volumes
and Total 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.
1 1. 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.
130 Configuring thin provisioning
You can select the pool configuration on a parity group basis.
The priority of the pool configuration is determined by these conditions:
Priority 1: There is no free space in the parity group and one LDEV exists in the
group.
Priority 2: There is no free space in the parity group and multiple LDEVs exist in the
group.
Priority 3: There is free space in the parity group and multiple LDEVs exist in the
group.
The following items are not displayed in the Pool Configuration Patterns table:
Parity groups with LDEVs that cannot be used as pool-VOLs.
Pool configuration patterns that contain more than 1,024 LDEVs.