Dell PowerEdge RAID H700 User Manual page 32

Table 3-2. RAID Level Migration
Source Target
RAID RAID
Level Level
RAID 0 RAID 0
RAID 0 RAID 1
RAID 0 RAID 5
RAID 0 RAID 6
RAID 1 RAID 0
RAID 1 RAID 5
RAID 1 RAID 6
RAID 5 RAID 0
RAID 5 RAID 5
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Storage Controller Features
Required Number of
Number of Physical
Physical Disks Disks (End)
(Beginning)
1 2 or more
1 2
1 or more 3 or more
1 or more 4 or more
2 2 or more
2 3 or more
2 4 or more
3 or more 3 or more
3 4 or more
Capacity Description
Expansion
Possible
Yes Increases capacity by
adding disks
No Converts
non-redundant
virtual disk into a
mirrored virtual disk
by adding one disk.
Yes At least one disk
needs to be added for
distributed parity data.
Yes At least two disks need
to be added for dual
distributed parity data.
Yes Removes redundancy
while increasing
capacity.
Yes Maintains redundancy
while doubling
capacity.
Yes Two disks required to
be added for
distributed parity data.
Yes Converts to a
non-redundant virtual
disk and reclaims
disk space used for
distributed parity data.
Yes Increases capacity by
adding disks