Dell EMC Server Administrator Storage Management 9.2

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 H800 PERC H810 Adapter PERC H700 Adapter/Integrated/Modular PERC H710 Adapter/Mini Monolithic/Mini Blade PERC H710P Adapter PERC H310 Adapter/Mini Blade/Mini Monolithic 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 YesYesYesYesYesNoYesYesYesNoYesYesYesYesYes
Read Policy YesYesYesYesYesNoYesYesYesNoYesYesYesYesYes
Read Ahead (Enabled) YesYesYesYesYesNoYesYesYesNoYesYesYesYesYes
Adaptive Read Ahead YesYesNoNoNoNoNoNoNoNoNoNoNoNoNo
No Read Ahead (Disabled) YesYesYesYesYesYesYesYesYesYesYesYesYesYesYes
Write Policy YesYesYesYesYesNoYesYesYesNoYesYesYesYesYes
Write Back (Enabled) YesYesYesYesYes No YesYesYes No YesYesYesYesYes
Write Through (Disabled) YesYesYesYesYes Yes YesYesYes Yes YesYesYesYesYes
Force Write Back (Enabled Always) YesYesYesYesYes No YesYesYes No YesYesYesYesYes
Write Cache Enabled Protected NoNoNoNoNoNoNoNoNoNoNoNoNoNoNo
Cache Policy NoNoNoNoNoNoNoNoNoNoNoNoNoNo
Disk Cache Policy YesYesYesYesYesYesYesYesYesYesYesYesYesYes
Cache I/O NoNoNoNoNoNoNoNoNoNoNoNoNoNo
Direct I/O NoNoNoNoNoNoNoNoNoNoNoNoNoNo