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Chapter 5 Configuration Menu
> 5.3 Thin Provisioning Management
ETERNUS DX400/DX8000 series ETERNUSmgr User Guide Settings/Maintenance
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P2X0-0760-02ENZ0
There are two methods to select disks.
• Auto
Select disk drives to create RAID Groups. Disk layout is automatically decided.
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.
■ When [Auto] is selected as the Method of selecting disks
→ The [Create/Extend Thin Provisioning Pool (RAID Group Settings in Pool)] screen
appears. Move on to Step 6
.
■ When [Manual] is selected as the Method of selecting disks
→ The [Create/Extend Thin Provisioning Pool (RAID Group Settings in Pool)] screen
appears. Move on to Step 4
.
● RAID Group Settings that Configures TPP
ETERNUS DX400/DX8000 series determines the RAID level and number of disk drives
registered in TPP according to the selected [Disk Type] and [Reliability] as shown
below.
Disk Type Reliability
High Medium None
Online
(Fibre Channel
disk drives)
RAID1+0(2+2)
Number
of disk drives: 4
RAID5(3+1)
Number of
disk drives: 4
RAID0
Number of
disk drives: 4
Nearline
(Nearline SATA
disk drives)
RAID6(6+2)
Number of
disk drives: 8
RAID5(7+1)
Number of
disk drives: 8
RAID0
Number of
disk drives: 4