Single Sas Domain - HP 381513-B21 - Smart Array P800 Controller RAID Technology Brief

Redundancy in enterprise storage networks using dual domain sas configurations

Hide thumbs Also See for 381513-B21 - Smart Array P800 Controller RAID:

Table of Contents

archival, reference, and redundant highly-available applications. They are intended for use in an

environment where the drive workload is 40 percent or less.

Single SAS domain

There are many single points of failure in a single domain. Failure can originate from any controller,

expander device, JBOD or cable, as shown in Figure 1.

NOTE:

JBOD is the acronym for "Just a Bunch of Disks." It refers to a

group of hard disks, usually in an enclosure, that may or may not

be RAID configured.

Figure 1

Single domain SAS storage network

Server

Controller

NOTE:

All figures in this technical brief using the "4 " notation indicate a

4-lane bundled path. There are 4 wires per lane, or 16 total wires

in a 4x cable.

IO Module

4 4

Expander

Disk drive

JBOD

Table of Contents