HP XP P9500 Storage - Manual (Page 265)

to change settings before the current task finishes, only the settings in the next task will be applied,
so the result might be different from what you expected.
Description Item
Select the check box, then Enable or Disable when using or not using Smart Tiers
or Smart Tiers Z. Smart Pool
If Mixable is set to Enabled, 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 Disabled, 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 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.
Edit Pools wizard 265