Fujitsu Eternus2000 Manual page 42

1.3 Functions
• Example when transferring volumes from a RAID5(3+1) 146GB disk configuration to a
• Example when volumes transferred from a RAID5(3+1) configuration to a different RAID
18
RAID5(3+1) 300GB disk configuration:
RAID5 (3+1)
146GB 146GB 146GB
LUN0 438GB
LUN1 146GB
Unused 300GB 4
300GB 300GB 300GB
Figure 1.13 Example for use RAID Migration 1
level, RAID1+0(3+3), configuration:
RAID5 (3+1)
146GB 146GB 146GB
LUN0 438GB
Unused 146GB 6
146GB 146GB 146GB
146GB 146GB 146GB
Figure 1.14 Example for use RAID Migration 2
Copyright 2009 FUJITSU LIMITED
146GB
Migrate to another
RAID group
300GB
Migrate to another RAID
group and add the capacity
Define LUN2 additionally
in the surplus space
146GB
Migrate to another RAID group
ETERNUS2000 disk storage system User Guide
Unused 146GB 4
146GB 146GB 146GB 146GB
RAID5(3+1)
300GB 300GB 300GB 300GB
LUN0 438GB
LUN1 300GB
LUN2 162GB
Unused 146GB 4
146GB 146GB 146GB 146GB
RAID1+0 (3+3)
146GB 146GB 146GB
LUN0 438GB
146GB 146GB 146GB
LUN0 438GB
P3AM-2512-03EN