Users Guide

Table 37. Read, Write, and Cache Policy Supported by PERC Hardware Controllers

Read, Write, and Cache Policy PERC H730P MX PERC H745P MX

Cache settings Yes Yes

Read Policy Yes Yes

Read Ahead (Enabled) Yes Yes

Adaptive Read Ahead No No

No Read Ahead (Disabled) Yes Yes

Write Policy Yes Yes

Write Back (Enabled) Yes Yes

Write Through (Disabled) Yes Yes

Force Write Back (Enabled Always) Yes Yes

Write Cache Enabled Protected No No

Cache Policy No No

Disk Cache Policy Yes Yes

Cache I/O No No

Direct I/O No No

Supported Features On The PERC Software RAID

Controllers

This section identies the controller-supported features and whether or not an enclosure can be attached to the controller. The Software

RAID controller include PERC S140.

• Controller Tasks

• Physical Disk Tasks

• Virtual Disk Tasks

• Virtual Disk Specications

• Supported RAID Levels

• Read, Write, Cache And Disk Cache Policy

Supported Features On PERC Software RAID Controllers