Users Guide

Read Write Cache And Disk Cache Policy Supported By The
PERC Software RAID Controllers
Table 49. Read, Write, and Cache Policy Supported by the PERC S100, PERC S110, PERC S130, S140 and S300 Controllers
Read, Write, and
Cache Policy
PERC S100 PERC S110 PERC S130 PERC S300 PERC S140
Cache settings Yes Yes Yes Yes Yes
Read Policy Yes Yes Yes Yes Yes
Read Ahead
(Enabled)
Yes Yes Yes Yes Yes
No Read Ahead
(Disabled)
Yes Yes Yes Yes Yes
Write Policy Yes Yes Yes Yes Yes
Write Back
(Enabled)
Yes Yes Yes Yes Yes
Write Through
(Disabled)
Yes Yes Yes Yes Yes
Force Write Back
(Enabled Always)
No No No No No
Write Cache
Enabled
Protected
No No No No No
Cache Policy No No No No No
Disk Cache
Policy
No No No No No
Cache I/O No No No No No
Direct I/O No No No No No
Enclosure Support On The PERC Software RAID Controllers
Table 50. Enclosure Support on the PERC S100, PERC S110, PERC S130, S140 and S300 Controllers
Enclosure
Support
PERC S100 PERC S110 PERC S130 PERC S300 PERC S140
Can an enclosure
be attached to
this controller?
No No No No No
Supported Features 183