User's Manual

Table 1-35. Read, Write, and Cache Policy Supported by the PERC H800, PERC H700 Adapter, PERC H700 Integrated, and PERC H700
ModularControllers

Enclosure Support
Table 1-36. Enclosure Support on the PERC H800, PERC H700 Adapter, PERC H700 Integrated, and PERC H700 Modular Controllers
Supported Features on the SAS 5/iR, SAS 6/iR, and PERC H200 Controllers
This section identifies the controller-supported features and whether or not an enclosure can be attached to the controller.
l Controller Tasks
l Battery Tasks
l Connector Tasks
l Physical Disk Tasks
l Virtual Disk Tasks
l Virtual Disk Specifications
l Supported RAID Levels
l Read, Write, Cache and Disk Cache Policy
l Enclosure Support
For enclosure-supported tasks, see Enclosure and Backplane Features.

Controller Tasks
Table 1-37. Controller Tasks Supported on the SAS 5/iR, SAS 6/iR, and
H200Controllers

Read, Write, and Cache Policy

PERC H800

PERC H700 Adapter

PERC H700 Integrated

PERC H700 Modular
Cache settings
Yes
Yes
Yes
Yes
Read Policy
Yes
Yes
Yes
Yes
Read Ahead (Enabled)
Yes
Yes
Yes
Yes
Adaptive Read Ahead
Yes
Yes
Yes
Yes
No Read Ahead (Disabled)
Yes
Yes
Yes
Yes
Write Policy
Yes
Yes
Yes
Yes
Write Back (Enabled)
Yes
Yes
Yes
Yes
Write Through (Disabled)
Yes
Yes
Yes
Yes
Force Write Back (Enabled Always)
Yes
Yes
Yes
Yes
Write Cache Enabled Protected
No
No
No
No
Cache Policy
No
No
No
No
Disk Cache Policy
Yes
Yes
Yes
Yes
Cache I/O
No
No
No
No
Direct I/O
No
No
No
No

Enclosure Support

PERC H800

PERC H700 Adapter

PERC H700 Integrated

PERC H700 Modular
Can an enclosure be attached to this controller?
Yes
No
No
No

Controller Task Name

SAS 5/iR

SAS 6/iR

PERC H200
Enable Alarm
No
No
No
Disable Alarm
No
No
No
Quiet Alarm
No
No
No
Test Alarm
No
No
No
Reset configuration
No
Yes
Yes