Cisco UCS User Manual

7-4
Cisco UCS Server Configuration Utility, Release 5.0
OL-32096-01
Chapter 7 Configuring RAID Levels
RAID Configuration
Automatic Setup without Redundancy
Automatic setup without redundancy requires one or more hard drives. UCS-SCU creates RAID 0 with
this option.
Note This option does not work, if number of HDDs are more than thirty-two.
Table 7-3 shows the default values that are displayed for automatic setup without redundancy.
Note The common parameters, except for total size, are the default values for the controller.
Automatic Setup with Redundancy
Automatic setup with redundancy is the default RAID configuration option. This configuration requires
at least two physical drives to be available. If two physical disks are not available, the default RAID
configuration would be automatic setup without redundancy.
Note This option does not work, if number of HDDs are more than thirty-two.
Table 7-4 shows the default values that are displays.
Table 7-3 Default Values for Automatic Setup without Redundancy
Parameters Values
Controller MegaRAID SAS <family>
RAID Level 0
Stripe Size 64
Read Policy No Read Ahead
Writer Policy Write Back
Cache Policy Direct IO
Size (MB) Depends on the physical disk size
Table 7-4 Default Values for Automatic Setup with Redundancy
Parameters Values
Controller MegaRAID SAS <family>
RAID Level 1
Stripe Size 64
Read Policy No Read Ahead
Writer Policy Write Back
Cache Policy Direct IO
Size (MB) Depends on the size of the logical disk

Cisco UCS Specifications

General

Brand	Cisco
Model	UCS
Category	Server
Language	English