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26 Features
NOTE: The total number of physical disks in a disk group cannot exceed 32. You
cannot perform RAID level migration and expansion on RAID levels 10, 50, and 60.
Table 2-1. RAID Level Migration
Source
RAID
Level
Target
RAID
Level
Number of
Physical
Disks
(Beginning)
Number of
Physical
Disks (End)
Capacity
Expansion
Possible
Description
RAID
0
RAID
0
1 2 or more Yes Increases capacity by adding disks
RAID
0
RAID
1
1 2 No Converts non-redundant virtual disk into
a mirrored virtual disk by adding one disk.
RAID
0
RAID
5
1 or more 3 or more Yes At least one disk needs to be added for
distributed parity data.
RAID
0
RAID
6
1 or more 4 or more Yes At least two disks need to be added for
dual distributed parity data.
RAID
1
RAID
0
2 2 or more Yes Removes redundancy while increasing
capacity.
RAID
1
RAID
5
2 3 or more Yes Maintains redundancy while doubling
capacity.
RAID
1
RAID
6
2 4 or more Yes Two disks required to be added for
distributed parity data.
RAID
5
RAID
0
3 or more 3 or more Yes Converts to a non-redundant virtual disk
and reclaims disk space used for
distributed parity data.
RAID
5
RAID
5
3 or more 4 or more Yes Increases capacity by adding disks
RAID
5
RAID
6
3 or more 4 or more Yes At least one disk needs to be added for
dual distributed parity data.
RAID
6
RAID
0
4 or more 4 or more Yes Converts to a non-redundant virtual disk
and reclaims disk space used for
distributed parity data.
RAID
6
RAID
5
4 or more 4 or more Yes Removes one set of parity data and
reclaims disk space used for it.
RAID
6
RAID
6
4 or more 5 or more Yes Increases capacity by adding disks