Promise Technology Pegasus32 R6 - Page 235

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Technology BackgroundPegasus32 Product Manual
RAID 1E
A RAID 1E Source logical drive can migrate to the following Target logical drives:
Target Requirements
RAID0
None.
RAID1E
Add physical drives.
RAID5
3 physical drives minimum, 4 (R4), 6 (R6) or 8 (R8).
RAID 1E must have less than 4 (R4), 6 (R6) or 8 (R8) physical drives. If
existing physical drives have no unused space, add 1 or more physical
drives.
RAID10
4 physical drives minimum. Even number of physical drives. If existing
physical drives have no unused space, add 1 or more physical drives.
RAID50
6 physical drives minimum.
See “Migrating a Logical Drive” on page 159.
RAID 5
A RAID 5 Source logical drive can migrate to the following Target logical drives:
Target Requirements
RAID0
None.
RAID1E
None.
RAID5
Add physical drives. Maximum of 4 (R4), 6 (R6) or 8 (R8).
RAID6
4 physical drives minimum, maximum of 4 (R4), 6 (R6) or 8 (R8). If
existing physical drives have no unused space, add 1 or more physical
drives.
RAID10
4 physical drives minimum. Even number of physical drives. If existing
physical drives have no unused space, add 1 or more physical drives.
RAID50
6 physical drives minimum.
RAID60
8 physical drives minimum.
See “Migrating a Logical Drive” on page 159.