Dell EMC Server Administrator Storage Management 9.4

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, PERC S300, PERC S140 and PERC S150 Controllers
Read, Write, and Cache Policy PERC S100 PERC S110 PERC S130 PERC S300 PERC S140 PERC S150
Cache settings YesYesYesYesYesYes
Read Policy YesYesYesYesYesYes
Read Ahead (Enabled) YesYesYesYesYesYes
No Read Ahead (Disabled) YesYesYesYesYesYes
Write Policy YesYesYesYesYesYes
Write Back (Enabled) YesYesYesYesYesYes
Write Through (Disabled) YesYesYesYesYesYes
Force Write Back (Enabled Always) NoNoNoNoNoNo
Write Cache Enabled Protected NoNoNoNoNoNo
Cache Policy NoNoNoNoNoNo
Disk Cache Policy NoNoNoNoNoNo
Cache I/O NoNoNoNoNoNo
Direct I/O NoNoNoNoNoNo