American Megatrends MegaRAID Express 500 - Manual (Page 61)

Chapter 5 Configuring MegaRAID Express 500 47
Assigning RAID Levels
Only one RAID level can be assigned to each logical drive. The drives required
per RAID level is:
RAID
Level
Minimum Number of
Physical Drives
Maximum Number of Physical
Drives
0 One 32
1 Two Two
3 Three Eight
5 Three Eight
10 four Eight
30 Six 32
50 Six 32
Note: The maximum number of physical drives supported per controller is 15.
Configuring Logical Drives
After you have installed the MegaRAID Express 500 controller in the server and
have attached all physical disk drives, perform the following actions to prepare a
RAID disk array:
Step Action
1 Optimize the MegaRAID Express 500 controller options for your system.
See Chapter 6 for additional information.
2 Perform a low-level format the SCSI drives that will be included in the
array and the drives to be used for hot spares.
3 Press <Ctrl> <M> to run the MegaRAID Manager.
4 Define and configure one or more logical drives. Select Easy Configuration
in MegaRAID Manager or select New Configuration to customize the
RAID array.
5 Create and configure one or more system drives (logical drives). Select the
RAID level, cache policy, read policy, and write policy.
6 Save the configuration.
7 Initialize the system drives. After initialization, you can install the
operating system.