HP XP P9500 Storage User Manual

Page 266

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Description

Item

Select the Tier Management check box, and then set the tier management, the
cycle time, and the monitoring period.

Tier Management: Select Auto or Manual.

Cycle Time: When selecting Auto in the Tier Management option, select the
cycle of performance monitoring and tier relocation from the Cycle Time list.

Monitoring Period: When selecting 24 Hours in the Cycle Time list, 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.

Select the Monitoring Mode check box, and then set the monitoring mode.

Monitoring Mode: Specify the monitoring mode. If you perform the tier relocation
weighted to the past period monitoring result, select Continuous Mode. If you
perform the tier relocation on the specified cycle, select Period Mode.

Select the Buffer Space for New page assignment check box, and then set the
buffer space for new page assignment.

Buffer Space for New page assignment: Enter an integer value from 0 to 50 as
the percentage (%) to set for tier 1, tier 2, and tier 3. If there is no tier, you
cannot set this item.

Select the Buffer Space for Tier relocation check box, and then set the buffer
space for tier relocation.

Buffer Space for Tier relocation: Enter an integer value from 2 to 40 as the
percentage (%) to set for tier 1, tier 2, and tier 3.

If the check box is not selected, you cannot set this item. You must set all items
if you change the pool setting from Thin Provisioning (or Thin Provisioning Z) to
Smart Tiers (or Smart Tiers Z).

If the check box is selected, you cannot collapse the Options for Smart Pool field.

Select the Subscription Limit check box, and then enter the subscription limit (%).
In Fast Snap or Snapshot, you cannot change the setting of this function.

Subscription Limit

If this field is blank, the subscription is set to be unlimited.

The following shows the available range:

(Total V-VOL capacity allocated to the pool/pool capacity) ×100(%) +1 to
65534(%)

You cannot configure the subscription limit if both of the following conditions
are satisfied:

- The subscription is unlimitedly set.

- ((Total V-VOL capacity allocated to the pool/pool capacity) ×100) exceeds
65534.

If the check box is not selected, the subscription limit is disabled.

Select the Pool Name check box, and then enter the pool name.

Pool Name

Prefix: Enter the alphanumeric characters, which are fixed characters of the
head of the pool name. The characters are case-sensitive.

Initial Number: Enter the initial number following the prefix name, which can
be entered up to 9 digits*.

You can enter up to the 32 characters including the initial number. The initial
number should be 9 or less digits.

* When a pool is selected, the pool name appears in the Prefix text box by
default. When multiple pools are selected, the initial number from the set number
to the maximum number of the digit number is automatically set.

266 Thin Provisioning Z and Smart Tiers Z GUI reference

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