Raid Levels Supported; Table 2-3 Raid Levels Supported; Table 2-4 Pedestal Raid Set Restrictions - Compaq StorageWorks TM RAID Array 3000 Pedestal Storage Subsystem Hardware User's Manual

2-12 RAID Array 3000 Pedestal Storage Subsystem Hardware User's Guide

RAID Levels Supported

The RAID Array 3000 controller supports the following RAID levels:
RAID Level
0
1
0+1
4
5
JBOD
NOTE: The controller stripes data in multi-block chunk sizes. Also, the controller does not
support RAID level 3 or 0 with a one-block chunk size.
There are some restrictions you must adhere to when creating a RAID set on
the RAID 3000 pedestal. The minimum and maximum number of drives
required to support each RAID level are listed in Table 2–4.
Pedestal RAID Set Restrictions
RAID Level
JBOD
0
1
0+1
4
5
*
Must be an even number.
Table 2-3
RAID Levels Supported
Description
Striping without parity
Mirroring
Striping and mirroring
Striping with fixed parity drive
Striping with floating parity drive
Just a Bunch of Drives
Table 2-4
*
Min. No. of Drives
1
2
2
4
3
3
*
Max. No. of Drives
1
14
14
14
14
14