HP XP7 Storage User Manual
Page 114
When the pool is created, a pool-VOL with system area is assigned the priority shown in the
following table.
Data drive type
Priority
SAS7.2K
1
SAS10K
2
SAS15K
3
SSD
4
External volume
5
If multiple pool-VOLs of the same data drive type exist, the priority of each is determined by the
internal index of the storage system.
For Thin Provisioning Z when selecting pool-VOLs manually
The Storage Administrator (Provisioning) role is required to perform this task.
To create pools by selecting pool-VOLs manually:
1.
In the Storage Systems tree on the left pane of the top window, select Pool.
The Pool window appears.
2.
Click Create Pools.
The Create Pools windows appears.
3.
From the Pool Type list, select Thin Provisioning.
4.
From the System Type list, select Mainframe.
5.
From the Smart Pool field, select Disable.
6.
From the Pool Volume Selection field, select Manual.
7.
Follow the steps below to select pool-VOLs.
1.
From the Drive Type/RPM list, select data drive type and RPM.
2.
From the RAID Level list, select RAID level.
If you select External Storage from the Drive Type/RPM list, a hyphen (-) appears and you
cannot select the RAID level.
3.
Click Select Pool VOLs.
The Select Pool VOLs window appears.
4.
In the Available Pool Volumes table, select the pool-VOL row to be associated with a
pool. Then click Add.
The selected pool-VOL is registered in the Selected Pool Volumes table. Up to 1,024
volumes can be added to a pool.
When you add external volumes, the Cache Mode of all volumes to be added must be
set to enable or disable.
NOTE:
When you add external volumes, note the following points.
•
An external volume that has Cache Mode set to Enable cannot coexist in the same
pool with an external volume that has Cache Mode set to Disable.
•
An internal volume and an external volume that each have Cache Mode set to Disable
cannot coexist in the same pool.
•
You can select a value other than Middle from External LDEV Tier Rank and click
Add to set another tier rank for an external volume.
114
Configuring thin provisioning