Assigning RAID Levels

Only one RAID level can be assigned to each logical drive. The drives required per RAID level are:

 

RAID

Minimum Number of

Maximum Number of Physical

 

 

Level

Physical Drives

Drives

 

 

0

One

32

 

 

1

Two

Two

 

 

3

Three

32

 

 

5

Three

32

 

 

10

Four

32

 

 

30

Six

32

 

 

50

Six

32

 

 

 

 

 

 

Configuring Logical Drives

After you have installed the MegaRAID 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 controller options for your system. See Chapter 3

 

 

 

for additional information.

 

 

2

Press <Ctrl> <M> to run the MegaRAID Manager.

 

 

3

Perform a low-level format of the SCSI drives that will be included in the

 

 

 

array and the drives to be used for hot spares.

 

 

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.

 

 

 

 

 

42MegaRAID Enterprise 1600 Hardware Guide