Product specifications

Terminal Operation
4-13
1. Fault condition:
The usable capacity of the RAID6 array is smaller than the usable
capacity of the original RAID5 array.
Figure 4 - 15: Migration Not Allowed for Insufficient Capacity
2. Migration by adding drive(s):
The additional capacity for composing a RAID6 array is acquired by
adding a new member drive.
Figure 4- 16: Migration Condition Met by Adding Drive(s)
3. Migration by copy and replace:
The additional capacity for composing a RAID6 array is
acquired by using larger drives as members of the array.