User's Manual

286 Supported Features
Supported RAID Levels
Read, Write, Cache and Disk Cache Policy
Table A-7. RAID Levels Supported by the PERC 5/E, PERC 6/, and CERC 6/I Controllers
RAID Level PERC 5/E PERC 5/I PERC 6/E PERC 6/I PERC 6/I
Modular
CERC 6/I
Concatenation NoNoNoNoNoNo
RAID 0 Yes Yes Yes Yes Yes Yes
RAID 1 Yes Yes Yes Yes Yes Yes
RAID 5 Yes Yes Yes Yes Yes Yes
RAID 10 Yes Yes Yes Yes Yes Yes
RAID 50 Yes Yes Yes Yes Yes Yes
RAID 6 NoNoYesYesYesYes
RAID 60 No No Yes Yes Yes Yes
Table A-8. Read, Write, and Cache Policy Supported by the PERC 5/E, PERC 6/, and
CERC 6/I Controllers
Read, Write, and Cache
Policy
PERC 5/E PERC 5/I PERC 6/E PERC 6/I PERC 6/I
Modular
CERC 6/I
Cache settings Yes Yes Yes Yes Yes Yes
Read Policy Yes Yes Yes Yes Yes Yes
Read Ahead (Enabled) Yes Yes Yes Yes Yes Yes
Adaptive Read Ahead Yes Yes Yes Yes Yes Yes
No Read Ahead
(Disabled)
Yes Yes Yes Yes Yes Yes
Write Policy Yes Yes Yes Yes Yes Yes
Write Back (Enabled) Yes Yes Yes Yes Yes Yes
Write Through
(Disabled)
Yes Yes Yes Yes Yes Yes