RAID Array 3000 Controller
2-9
Compaq Confidential – Need to Know Required
Writer: Bob Young Project: RAID Array 3000 Controller Shelf Hardware User’s Guide Comments:
Part Number: EK-SMCPQ-UG. D01 File Name: c-ch2 RAID Array 3000 Controller.doc Last Saved On: 12/4/00 1:08 PM
RAID Levels Supported
The controller supports the following RAID levels:
Table 2-2
Raid Levels Supported
RAID Level
Description
0
Striping without parity
1
Mirroring
0+1
Striping and mirroring
4
Striping with fixed parity drive
5
Striping with floating parity drive
JBOD
just a bunch of drives
There are some restrictions you must adhere to when creating a RAID set
using the RAID 3000 shelf. The minimum and maximum number of drives
required to support each RAID level is listed in Table 2– 3.
Table 2-3
Shelf RAID Set Restrictions
RAID Level
Min. No. of Drives
Max. No. of Drives
JBOD
1
1
0
2
24
1
2
24
0+1
*
4
16
4
3
24
5
3
24
*
Must be an even number.