Dell EMC Server Administrator Storage Management 9.3.1

Read, Write, Cache And Disk Cache Policy Supported By PERC Hardware Controllers

Table 1. Read, Write, and Cache Policy Supported by PERC Hardware Controllers
Read, Write, and Cache Policy PERC H730P Adapter/ Mini Monolithic/Mini Blades/Slim PERC H730 Adapter/ Mini Monolithic/Mini Blades PERC H740P Adapter/ Mini MonolithicPERC H330 Adapter/ Mini Monolithic/Mini Blades/Embedded PERC H830 Adapter PERC H840 AdapterPERC FD33xD/FD33xS PERC H730P MX PERC H745P MX
Cache settings YesYesYesNoYesYesYesYesYes
Read Policy YesYesYesNoYesYesYesYesYes
Read Ahead (Enabled) YesYesYesNoYesYesYesYesYes
Adaptive Read Ahead NoNoNoNoNoNoNoNoNo
No Read Ahead (Disabled) YesYesYesYesYesYesYesYesYes
Write Policy YesYesYesNoYesYesYesYesYes
Write Back (Enabled) YesYesYes No YesYesYesYesYes
Write Through (Disabled) YesYesYes Yes YesYesYesYesYes
Force Write Back (Enabled Always) YesYesYes No YesYesYesYesYes
Write Cache Enabled Protected NoNoNoNoNoNoNoNoNo
Cache Policy NoNoNoNoNoNoNoNoNo
Disk Cache Policy YesYesYesYesYesYesYesYesYes
Cache I/O NoNoNoNoNoNoNoNoNo
Direct I/O NoNoNoNoNoNoNoNoNo