Using Auto Configuration - LSI SCSI 320-0 Configuration

Using Auto Configuration

Configuration Guidelines In Auto Configuration, MegaRAID examines the physical drives
connected to it and automatically configures them into arrays and logical drives.
MegaRAID uses the following configuration guidelines in the following
sequence:
Step
1 Gather drives with the same capacity into groups of five, four, or three.
These groups become arrays associated with RAID level 5 logical drives.
2 Gather pairs of drives with the same capacity together. These pairs
become arrays associated with RAID 1 logical drives.
3 Configure any remaining single disk drives as arrays associated with
RAID 0 logical drives.
Logical Drive Settings The logical drive settings will be:
The write policy, read policy, and cache policy can be changed after
configuration is complete.
User Actions Perform the following steps when using auto configuration:
Step
1 Designate hot spares (optional, but if chosen, should be done first).
2 Choose Configure from the MegaRAID Manager main menu.
3 Choose Auto Configuration from the Configure menu and respond to the
confirmation prompt.
The logical drives that result from Auto Configuration are displayed on the
screen with a save prompt. Choose Yes to save the configuration.
4 If you chose Yes at the space prompt, initialize the logical drives. See page
79 for additional information.
MegaRAID Configuration Software Guide
68
Action
Parameter
Stripe size
Write Policy Write-through
Read Policy Readahead
Cache Policy Direct I/O
Spanning
Action
Setting
64 KB
Off