MegaRAID Online Disk Replacement Command Reference
1. Make the failed disk to offline (MSM Tools -> Physical –> Operation)
2. Mark the failed disk as missing (MSM Tools -> Physical –> Operation)
3. Prepared disk for removal (MSM Tools -> Physical –> Operation)
4. Replace the drive
5. Make the new disk as Global Hotspare (MSM Tools -> Physical –> Operation)
6. To open this window, select manage > show progress, for monitor the progress of the rebuild. (MSM Tools -> Physical –> Operation)