3Ware 9650SE-2LPB-10 CLI Guide - Page 22

Single Disk, JBOD, RAID 50 Configuration Example

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Chapter 1. Introduction to the 3ware Command Line Interface Figure 6. RAID 50 Configuration Example Single Disk A single drive can be configured as a unit through 3ware software. (3BM, 3DM 2, or CLI). Like disks in other RAID configurations, single disks contain 3ware Disk Control Block (DCB) information and are seen by the OS as available units. Single drives are not fault tolerant and therefore not recommended for high availability systems unless additional precautions are taken to prevent system hangs and data loss. JBOD A JBOD (acronym for "Just a Bunch of Disks") is an unconfigured disk attached to your 3ware RAID controller. JBOD configuration is no longer supported in the 3ware 9000 series. AMCC recommends that you use Single Disk as a replacement for JBOD, to take advantage of advanced features such as caching, OCE, and RLM. JBOD units are not fault tolerant and therefore not recommended for high availability systems unless additional precautions are taken to prevent system hangs and data loss. 16 3ware Serial ATA RAID Controller CLI Guide

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Chapter 1. Introduction to the 3ware Command Line Interface
16
3ware Serial ATA RAID Controller CLI Guide
Figure 6.
RAID 50 Configuration Example
Single Disk
A single drive can be configured as a unit through 3ware software. (3BM,
3DM 2, or CLI). Like disks in other RAID configurations, single disks
contain 3ware Disk Control Block (DCB) information and are seen by the OS
as available units.
Single drives are not fault tolerant and therefore not recommended for high
availability systems unless additional precautions are taken to prevent system
hangs and data loss.
JBOD
A JBOD (acronym for “Just a Bunch of Disks”) is an unconfigured disk
attached to your 3ware RAID controller. JBOD configuration is no longer
supported in the 3ware 9000 series. AMCC recommends that you use Single
Disk as a replacement for JBOD, to take advantage of advanced features such
as caching, OCE, and RLM.
JBOD units are not fault tolerant and therefore not recommended for high
availability systems unless additional precautions are taken to prevent system
hangs and data loss.