Dell EMC Server Administrator Storage Management 9.2

Read Write Cache And Disk Cache Policy Supported By The PERC Software RAID Controllers

Table 1. 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 YesYesYesYesYes
Read Policy YesYesYesYesYes
Read Ahead (Enabled) YesYesYesYesYes
No Read Ahead (Disabled) YesYesYesYesYes
Write Policy YesYesYesYesYes
Write Back (Enabled) YesYesYesYesYes
Write Through (Disabled) YesYesYesYesYes
Force Write Back (Enabled Always) NoNoNoNoNo
Write Cache Enabled Protected NoNoNoNoNo
Cache Policy NoNoNoNoNo
Disk Cache Policy NoNoNoNoNo
Cache I/O NoNoNoNoNo
Direct I/O NoNoNoNoNo