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HP XP P9500 Storage User Manual

Page 323

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Description

Item

A pool that consists of pool-VOLs with different RAID levels cannot be changed
from Enable to Disable.

In Fast Snap or Snapshot, you cannot change the setting of this function.

If TSE-VOL is assigned to the selected pool, the pool cannot be changed from
Disable to Enable.

Specifies the performance monitoring, tier relocation, edit buffer space for new
page assignment, and buffer space for tier relocation if Smart Pool is set to
Enable.

Options for Smart Pool

In Fast Snap or Snapshot, you cannot change the setting of this function.

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.

Edit Pools wizard 323