HP 3PAR Management Console 4.3.0 Software User's Guide (QL226-96337, December 2012)

8. From the Preferred Chunklets* list, select Fast (default) or Slow.
9. RAID Type - Select the RAID type for the volume.
10. Set Size - Select the set size.
NOTE: HP strongly recommends RAID 6 for high capacity Nearline drives.
11. From the Step Size* list, select default, 32, 64, 128, 256, or 512 KiB. The default and available
values depend on raid type and device type used. If FC or NL drives are used, the step size
defaults to 256 KiB for RAID 0 and RAID 1, and 128 KiB for RAID 5. If SSD drives are used,
the step size defaults to 32 KiB for RAID 0 and RAID 1, and 64 KiB for RAID 5. For RAID 6,
the default is a function of the set size.
12. Growth Increment* - Click the Enabled checkbox, enter the appropriate value, and click the
unit list (MiB, GiB, TiB)
13. Growth Limit* - Click the Enabled checkbox, enter the appropriate value, and click the unit
list (MiB, GiB, TiB).
14. Growth Warning* - Click the Enabled checkbox, enter the appropriate value, and click the
unit list (MiB, GiB, TiB).
15. Click Next to use the Disk Filter (if Show advanced options is enabled), or click Finish.
*Appears only if Show advanced options is selected.
Disk Filter
The Disk Filter displays the physical disks used. Pattern displays the parameters of the disks used.
To modify the list of disks used:
1. Click the Filter icon.
2. See “Filtering” (page 410) for details.
3. Click Next to view summary information, or click Finish.
Summary
Review the summary information, then click Finish.
Compacting a Common Provisioning Group
To compact a Common Provisioning Group (CPG):
1. Access the CPGs tab.
2. Right-click the CPG you wish to compact.
3. In the menu that appears, click Compact CPG.
The Compact CPG dialog box appears.
4. Select either Start now or Create Schedule.
(For information on scheduling this task, see “Schedule Compact CPG” (page 354)).
5. System - Select the system on which on the CPG resides.
6. Domain - Select the domain in which the CPG resides. Select <none> if not applicable.
7. CPG - Select one or multiple CPGs to compact.
8. (Optional) Enable the Trim only option, which removes unused logical disk space without
performing any region moves.
9. Click OK.
Removing a Common Provisioning Group
To remove a Common Provisioning Group (CPG):
1. Access the CPGs tab.
112 Managing Common Provisioning Groups