HP XP P9500 Storage User Manual
Page 299

Description
Item
Select the check box, then Enable or Disable when using or not using Smart Tiers
or Smart Tiers Z.
Multi-Tier Pool
If Mixable is set to Enable, a pool that consists of the external volumes to which
the cache mode is set to Disable cannot be changed from Disable to Enable.
If Mixable is set to Disable, the following pools cannot be changed from Disable
to Enable.
•
Pool that consists of the external volumes.
•
Pool that consists of volumes of RAID 1.
A pool that consists of pool-VOLs with different RAID levels cannot be changed
from Enable to Disable.
In 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 Multi-Tier Pool is set to
Enable.
Options for Multi-Tier Pool
In 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
Edit Pools wizard 299