Thecus i8500, User Manual

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Figure 4.2.2
(Figure 4.2.2: A RAID 0 with 4 physical disks migrates to RAID 5 with 5 physical disks.)
Figure 4.2.3
(Figure 4.2.3: A RAID 0 migrates to RAID 5, the complete percentage is 14%.)
To do migration, the total size of RG must be larger or equal to the original RG. It
does not allow expanding the same RAID level with the same hard disks of
original RG.
The operation is not allowed when RG is being migrated. System would reject
following operations:
1. Add dedicated spare.
2. Remove a dedicated spare.
3. Create a new VD.
4. Delete a VD.
5. Extend a VD.
6. Scrub a VD.
7. Perform yet another migration operation.
8. Scrub entire RG.
9. Take a new snapshot.
10. Delete an existing snapshot.
11. Export a snapshot.
12. Rollback to a snapshot.
Caution
RG Migration cannot be executed during rebuild or VD
extension.