3Ware 9550SXU-12 User Manual page 141

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Figure 57. RAID Level Migration Example
Typically, a unit is reconfigured with the same or more storage capacity.
Sometimes additional drives are added. The following table shows valid
reconfigurations, some of which will require the addition of more drives.
Table 10: Valid Migration Paths
Source R0 R1
Yes No
R0
Yes No
R1
Yes No
R5
Yes No
R6
Yes No
R10
Yes No
R50
Yes Yes
Single
No No
Spare
Note:
Rapid RAID Recovery will be disabled on any unit that is migrated.
Changing An Existing Configuration by Migrating
Destination
R5 R6 R10
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
Yes Yes Yes
No No No
R50 Single Spare
Yes No No
Yes Yes No
Yes No No
Yes No No
Yes No No
Yes No No
Yes No No
No No No
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