Dell EMC Server Administrator Storage Management 9.1

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, and S300 Controllers
Read, Write, and Cache Policy PERC S100 PERC S110 PERC S130 PERC S300
Cache settings YesYesYesYes
Read Policy YesYesYesYes
Read Ahead (Enabled) YesYesYesYes
No Read Ahead (Disabled) YesYesYesYes
Write Policy YesYesYesYes
Write Back (Enabled) YesYesYesYes
Write Through (Disabled) YesYesYesYes
Force Write Back (Enabled Always) NoNoNoNo
Write Cache Enabled Protected NoNoNoNo
Cache Policy NoNoNoNo
Disk Cache Policy NoNoNoNo
Cache I/O NoNoNoNo
Direct I/O NoNoNoNo