Chapter 5 Basic Functions
5.3 Optimization of Volume Configurations
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RAID5(3+1) configuration converted to a RAID6(4+2) configuration by the addition of extra two drives
Figure 5.13 Example of Logical Device Expansion 2
RAID5(3+1)
300GB
300GB
300GB
300GB
Volume 0
Volume 1
RAID6(4+2)
300GB
300GB
300GB
300GB
Volume 0
Volume 1
Free space
ETERNUS DX80 S2/DX90 S2 Disk storage system Overview
Copyright 2013 FUJITSU LIMITED
Unused
300GB
300GB
300GB
300GB
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