PLANET NAS-7400 - Manual (Page 123)

PLANET NAS-7400 User Manual
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RAID 1
A RAID 1 source Volume can migrate to the following target RAID levels:
Target Requirements
RAID 0 Can use same number of disk drives.
RAID 5 3 disk drives minimum.
At least 1 more disk drive than the RAID 1 RAID
Volume.
RAID 5
A RAID 5 source Volume can migrate to the following target RAID levels:
Target Requirements
RAID 0 Can use same number of disk drives.
RAID 5 Add a disk drive.
RAID 10
A RAID 10 source Volume cannot migrate or add more disk drives.