User's Manual

366 Supported Features
Read, Write, Cache and Disk Cache Policy
Minimum number of physical disks
in a RAID 6
NA NA NA
Minimum number of physical disks
in a RAID 60
NA NA NA
Maximum number of disks in
configured state (part of a virtual disk
or hot spares)
8814
Table A-44. Read, Write, and Cache Policy Supported by the SAS 5/iR, SAS 6/iR, and
H200 Controllers
Read, Write, and Cache Policy SAS 5/IR SAS 6/iR PERC H200
Cache settings NoNoNo
Read Policy No No No
Read Ahead (Enabled) No No No
Adaptive Read Ahead No No No
No Read Ahead (Disabled) No No No
Write Policy No No No
Write Back No No No
Write Through No No No
Force Write Back (Enabled Always) No No No
Write Cache Enabled Protected No No No
Cache Policy No No No
Disk Cache Policy Yes Yes Yes
Cache I/O NoNoNo
Direct I/O NoNoNo
Table A-43. Virtual Disk Specifications for the SAS 5/iR, SAS 6/iR, and PERC H200
Controllers
(continued)
Virtual Disk Specification SAS 5/IR SAS 6/iR PERC H200