Starting And Target RAID Levels For Virtual Disk Reconfiguration And Capacity Expansion
After you have created a virtual disk, the possibilities for reconfiguring the virtual disk depend on the controller, RAID level, and available physical disks. The following table describes the possible scenarios for reconfiguring a virtual disk.
Controller | Starting RAID Level | Target RAID Level | Comments |
PERC 5/E and PERC 5/i | RAID 0 | RAID 0 | Add at least one additional disk |
PERC 5/E and PERC 5/i | RAID 0 (on a single disk) | RAID 1 | Add a single disk |
PERC 5/E and PERC 5/i | RAID 0 | RAID 5 | Add at least one additional disk |
PERC 5/E and PERC 5/i | RAID 1 | RAID 0 | With or without adding additional disks |
RAID 1 | RAID 5 | Add additional disks | |
RAID 5 | RAID 0 | With or without adding additional disks | |
RAID 5 | RAID 5 | Add additional disks | |
PERC 6/E, PERC 6/I, PERC H800 Adapter, PERC H700 Adapter, PERC H700 Integrated, and PERC H700 Modular, PERC H310 Adapter, PERC H310 Mini Monolithic, PERC H310 Mini Blades, PERC H710 Adapter, PERC H710 Mini Blades, PERC H710 Mini Monolithic, PERC H710P Adapter, PERC H710P Mini Blades, PERC H710P Mini Monolithic, PERC H810 Adapter, PERC H730P Adapter | RAID 0 | RAID 1 | Add a single disk |
RAID 0 | RAID 0, RAID 5 | Add at least one additional disk. | |
RAID 0 | RAID 6 | RAID 6 requires a minimum of 4 disks. Reconfiguration from RAID 0 to RAID 6 requires at least 2 additional disks even when this exceeds the 4- disk minimum required by RAID 6 | |
RAID 1 | RAID 0 | With or without adding additional disks | |
RAID 1 | RAID 5, RAID 6 | Add at least one additional disk. RAID 6 requires a minimum of 4 disks. | |
RAID 5 | RAID 0 | With or without adding additional disks | |
RAID 5 | RAID 5, RAID 6 | Add at least one additional disk. RAID 6 requires a minimum of 4 disks. | |
RAID 6 | RAID 0, RAID 5 | With or without adding additional disks | |
RAID 6 | RAID 6 | Add at least one additional disk | |
SAS 6/iR | N/A | N/A | N/A |
PERC S100, S110, and S300 | RAID 0 | RAID 0 | With or without additional disks |
RAID 1 | RAID 1 | Without additional disks | |
RAID 5 | RAID 5 | With or without additional disks | |
RAID 10 | RAID 10 | Without additional disks |