Chapter 5 Configuration Menu
> 5.3 Thin Provisioning Management
ETERNUS DX400/DX8000 series ETERNUSmgr User Guide Settings/Maintenance
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2Click the [TPP No.] link for the Thin Provisioning Pool to be expanded.
The [Create/Extend Thin Provisioning Pool (Pool Setting (Capacity Expansion))]
screen appears.
3Input the number of RAID Groups to be added in the Thin Provisioning Pool

(TPP), select the Method of selecting disk, and click the [Set] button.

Add the RAID Groups to the selected TPP. New RAID Group are added in the Pool
according to the existing RAID level, disk drive type (Fibre Channel or Nearline SATA disk
drive), and encryption status. Refer to "RAID Group Settings that Configures TPP" (page
250) for details.
Specify the following TPP information.
Number of RAID Groups
Method of selecting disk
Disk Size (when selecting "Auto" for Method of selecting disk)
There are two methods to select disks.
Auto
Select disk drives to create RAID Groups. Disk layout i s a utom atic all y de cide d.
Controlling CM-CPU for the RAID Group is allocated with [Auto] setting.
Manual
User selects the disk capacity, layout, and Controlling CM-CPU to configure the RAID
Groups.
If the capacity of the Thin Provisioning Pool cannot be expanded, a
message to that effect is displayed. Click the [Menu] button to return
to the [Menu] screen.