User manual

5. Finally a confirmation page shows the detail of RAID info rmation. If
there is no problem, click “ “ to start migration.
System also pops up a message of “Warning: power lost during
migration may cause damage of data!” to give user warning. When
the power is abnormally off during the migration, the data is in high risk.
6. Migration starts and it can be seen fro m the “status” of a RG wit h
“Migrating”. In “/ Volume config uration / Virtual disk” , it displays a
“Migrating” in “Status” and complete percentage of migration in
“R%”.
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 sam e 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 migrat ion 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.
Formatted
Formatted