IBM SY33-0193-00 manual General Information

Ÿ

Flashing continuously

:

One

of

the

ports

is not

operational.

This condition occurs

if

the

cable

to

the

port

is

not

connected

correctly,

or if the device in the l

connected

next

to

the

adapter

is

not

operational.

Ÿ

Off :

Both

ports

are non-operational.

General Information

For

general information

regarding

the IBM

SerialRAID Adapter,

RAID

technology

and

SSA

loops,

see

IBMthe

SerialRAID

Adapter:

Installation and . User's Guide

The

IBM

SerialRAID

Adapter

also

contains

array

management

software

that

provides

RAID-5 functions to

control

the

arrays

of

the

RAID system. An array can have

from 3

16

member

disk drives

and

is

handled

as

one

large

disk

drive

by

the

operating syste

The array management software translates requests to the

single

large disk

into

requests

to

the individual

member

disk

drives. Configuration software is available that

allows the user to define

which

disk

drives

in the

loop,

if

any,

are

to

be

included

array.

Up to three adapters can be present in one system unit. For performance reasons it recommended that they are all placed on the same bus.

A module on the IBM SerialRAID Adapter contains a lithium battery.

CAUTION:
A lithium		battery	can cause fire, explosion,	or	a severe burn. Do not recharge,
disassemble,		heat above 100°C (212°F), solder			directly	to the	cell, incinerate, or
expose	cell	contents to water. Keep away from			children.	Replace	only	with the
part	number	specified with your system. Use		of	another	battery	might	present a
risk	of fire or		explosion.

The battery connector is polarized; do not try to reverse the polarity.

Dispose of the battery according to local regulations.

2 IBM SerialRAID Adapter Maintenance Information