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HP XP P9500 Storage User Manual

Page 112

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In the Initial Number text box, type the initial number following the prefix name, which can
be up to 9 digits.

You can enter up to 32 characters, including the initial number.

8.

Click Options.

The setting fields following Initial Pool ID appear.

9.

In the Initial Pool ID text box, enter the number of the initial pool ID from 0 to 127.

The smallest available number is displayed in the text box as a default. No number, however,
appears in the text box, if no available pool ID exists. When the registered pool ID is entered,
the smallest available pool ID is registered automatically among the subsequent pool IDs that
were entered.

10. In the Subscription Limit text box, enter an integer value from 0 to 65534 as the subscription

rate (%).

If no figure is entered, the subscription is unlimitedly set.

11. 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%.

12. 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 more than the value of Warning Threshold.

13. Configure Smart Tiers Z as follows:

1.

From the Tier Management option, select Auto or Manual.

Normally you select Auto.

If you select Auto, performance monitoring and tier relocation are automatically performed.

If you select Manual, you can manually perform performance monitoring and tier relocation
with the RAID Manager commands or Remote Web Console.

2.

From Cycle Time list, select the cycle of performance monitoring and tier relocation.

When you select 24 Hours (default value):

Performance monitoring and tier relocation is performed once a day.

In the Monitoring Period field, specify the time of starting and ending of performance
monitoring in 00:00 to 23:59 (default value).

Take one or more hours between the starting time and the ending time. If you specify the
starting time later than the ending time, the performance monitoring continues until the
time when you specify as the ending time on the next day.

You can view the information gathered by performance monitoring with Remote Web
Console and RAID Manager.

When you select any of 0.5 Hours, 1 Hour, 2 Hours, 4 Hours or 8 Hours:

Performance monitoring is performed every hour you selected starting at 00:00.

You cannot specify the time of performance monitoring.

Caution: When Auto is set, all the V-VOL pages may not be completed migrating by one
cycle. At the next cycle, the last processed V-VOL will start being migrated with the updated
information. However, the performance monitoring information is switched.

14. From the Monitoring Mode option, select Period Mode or Continuous Mode.

If you perform the tier relocation with the specified cycle or you do not need to specify the
Monitoring Mode option, select Period Mode. If you perform the tier relocation weighted to
the past period monitoring result, select Continuous Mode.

112

Configuring thin provisioning