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Raid levels supported – HP StorageWorks 3000 RAID Array User Manual

Page 51

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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.