Read, Write, Cache And Disk Cache Policy Supported By PERC Hardware Controllers
Read, Write, and Cache Policy | PERC H840 Adapter | PERC FD33xD/FD33xS | PERC H730P MX | PERC H745P MX | PERC H745P Front/Adapter | PERC H345 Front/Adapter | PERC H755 Front/Adapter | PERC H755N Front |
---|---|---|---|---|---|---|---|---|
Cache settings | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Read Policy | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Read Ahead (Enabled) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Adaptive Read Ahead | No | No | No | No | No | No | No | No |
No Read Ahead (Disabled) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Write Policy | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Write Back (Enabled) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Write Through (Disabled) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Force Write Back (Enabled Always) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Write Cache Enabled Protected | No | No | No | No | No | No | No | No |
Cache Policy | No | No | No | No | No | No | No | No |
Disk Cache Policy | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Cache I/O | No | No | No | No | No | No | No | No |
Direct I/O | No | No | No | No | No | No | No | No |
Read, Write, and Cache Policy | PERC H840 Adapter | PERC FD33xD/FD33xS | PERC H730P MX | PERC H745P MX | PERC H745P Front/Adapter | PERC H345 Front/Adapter | PERC 755 Front/Adapter | PERC H755N Front |
---|---|---|---|---|---|---|---|---|
Cache settings | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Read Policy | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Read Ahead (Enabled) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Adaptive Read Ahead | No | No | No | No | No | No | No | No |
No Read Ahead (Disabled) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Write Policy | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Write Back (Enabled) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Write Through (Disabled) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Force Write Back (Enabled Always) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Write Cache Enabled Protected | No | No | No | No | No | No | No | No |
Cache Policy | No | No | No | No | No | No | No | No |
Disk Cache Policy | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Cache I/O | No | No | No | No | No | No | No | No |
Direct I/O | No | No | No | No | No | No | No | No |