Device Identification on MegaRAID Controllers, Continued

Example of MegaRAID ID Mapping

 

ID

Channel A

Channel B

 

 

0

A1-1

A1-2

 

 

1

A2-1

Scanner

 

 

2

CD

A2-3

 

 

3

A2-5

A2-6

 

 

4

CD

A3-1

 

 

5

A4-1

Tape

 

 

6

Optical

A5-1

 

 

7

Reserved

Reserved

 

 

8

A5-2

A5-3

 

 

9

A5-6

A5-7

 

 

10

A6-1

A6-2

 

 

11

A6-4

A6-5

 

 

12

A6-7

A6-8

 

 

13

A7-2

A7-3

 

 

14

A7-5

A7-6

 

 

15

A7-8

A8-1

 

 

 

 

 

 

As Presented to the Operating System

ID

LUN

Device

ID

LUN

Device

 

0

 

0

Disk (A1-X)

1

0

Scanner

 

0

 

1

Disk (A2-X)

2

0

CD

 

0

 

2

Disk (A3-X)

3

0

Tape

 

0

 

3

Disk (A4-X)

4

0

CD

 

0

 

4

Disk (A5-X)

5

0

Tape

 

0

 

5

Disk (A6-X)

6

0

Optical

 

0

 

6

Disk (A7-X)

 

 

 

 

0

 

7

Disk (A8-X)

 

 

 

 

 

 

 

 

 

 

 

 

70MegaRAID Enterprise 1600 Hardware Guide