Users Guide
Table 14-1.VirtualDiskReconfiguration
Exceptions for Reconfiguring a Concatenated Virtual Disk on PERC 3/Si, 3/Di, CERC SATA1.5/6ch, and CERC
SATA1.5/2s Controllers
You can create a concatenated virtual disk by performing a "Split Mirror" or an "Unmirror" on a RAID 1-concatenated virtual disk. After you have done so,
however, the resulting concatenated virtual disks cannot be subjected to any further modification. You cannot reconfigure or add disks to the resulting
concatenated virtual disks.
Maintain Integrity of Redundant Virtual Disks
Controller
Starting RAID Level
Target RAID Level
Comments
PERC 3/SC, 3/DC, 3/QC, 4/SC, PERC 4/DC,
PERC 4e/DC, 4/Di, 4e/Si, PERC 4e/Di, CERC
ATA100/4ch, PERC 5/E and PERC 5/i
RAID 0
RAID 0
Add at least one additional disk
PERC 3/SC, 3/DC, 3/QC, 4/SC, PERC 4/DC,
PERC 4e/DC, 4/Di, 4e/Si, PERC 4e/Di, CERC
ATA100/4ch, PERC 5/E and PERC 5/i
RAID 0 (on a single disk)
RAID 1
Add a single disk
PERC 3/SC, 3/DC, 3/QC, 4/SC, 4/DC,
4e/DC, 4/Di, 4e/Si, PERC 4e/Di, CERC
ATA100/4ch, PERC 5/E and PERC 5/i
RAID 0
RAID 5
Add at least one additional disk
PERC 3/SC, 3/DC, 3/QC, 4/SC, PERC 4/DC,
PERC 4e/DC, 4/Di, 4e/Si, PERC 4e/Di, CERC
ATA100/4ch, 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 4/IM
N/A
N/A
N/A
PERC 3/Si, and 3/Di
Concatenation
RAID 1
Minimum number of physical disks required for
the target RAID level must be available
RAID 0
RAID 0, RAID 5, RAID 10
RAID 1
RAID 0, RAID 1, RAID 5, RAID
10
RAID 5
RAID 0, RAID 5, RAID 10
RAID 10
RAID 0, RAID 5, RAID 10
CERC SATA1.5/6ch
Concatenation
RAID 1
Minimum number of physical disks required for
the target RAID level must be available
See "Exceptions for Reconfiguring a Concatenated Virtual
Disk on PERC 3/Si, 3/Di, CERC SATA1.5/6ch, and CERC
SATA1.5/2s Controllers" for more information.
RAID 0
RAID 0, RAID 5, RAID 10
RAID 1
RAID 0, RAID 1, RAID 5, RAID
10
RAID 5
RAID 0, RAID 5, RAID 10
RAID 10
RAID 0, RAID 5, RAID 10
CERC SATA1.5/2s
N/A
N/A
N/A
PERC 6/E, PERC 6/I, CERC 6/I
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