IBM Partner Pavilion DS4100 User Manual

Page 119

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Attention:

When

you

handle

static-sensitive

devices,

take

precautions

to

avoid

damage

from

static

electricity.

For

details

about

handling

static-sensitive

devices,

see

“Handling

static-sensitive

devices”

on

page

79.

4.

Unpack

the

new

drives.

Set

the

drives

on

a

dry,

level

surface

away

from

magnetic

fields.

Save

the

packing

material

and

documentation

in

case

you

need

to

return

the

drives.

5.

Use

the

storage

management

software

to

ensure

that

the

array

that

was

defined

using

these

drives

is

in

optimal

(not

degraded)

state

before

manually

failing

the

first

drive

you

want

to

replace.

If

the

array

is

in

degraded

state,

use

the

recovery

procedures

to

bring

the

array

into

the

optimal

state.

Make

sure

that:

v

You

fail

only

one

drive

v

The

software

status

display

shows

a

failed

status

for

the

appropriate

drive

v

The

amber

Drive

fault

LED

(on

the

front

bezel

below

the

drive)

is

on

Attention:

Removing

the

wrong

drive

can

cause

data

loss.

Make

sure

that

you

remove

only

the

failed

drive

CRU.

The

Drive

fault

LED

below

the

failed

drive

CRU

should

be

on.

If

you

remove

an

active

drive

accidentally,

wait

at

least

70

seconds

for

the

drive

to

properly

spin

down

and

then

reinstall

it.

Because

you

failed

two

drives

in

a

RAID

array,

the

array

might

be

marked

failed

by

the

controller.

This

array

will

not

be

available

to

the

host

for

I/O.

See

the

DS4000

Storage

Manager

client

for

further

recovery

instructions.

Do

not

attempt

to

replace

any

drives

until

the

array

is

brought

back

to

optimal

state.

Call

IBM

support

for

help

if

you

are

unable

to

get

the

array

back

online.

6.

Use

the

procedures

in

5

on

page

24

to

remove

the

failed

drive.

Use

the

procedures

in

“Installing

hot-swap

hard

disk

drives”

on

page

80

to

install

the

new

drives

into

the

storage

server.

The

new

drive

automatically

reconstructs

the

data

after

you

install

it

in

the

drive

slot.

During

data

reconstruction,

the

amber

Drive

fault

LED

might

come

on

for

a

few

minutes,

then

turn

off

when

the

green

Drive

activity

LED

begins

flashing.

A

flashing

Drive

activity

LED

indicates

that

data

reconstruction

is

in

progress.

Note:

If

your

storage

subsystem

has

active

hot

spares,

data

might

not

start

copying

to

the

new

drive

until

the

data

is

reconstructed

on

the

hot

spare.

This

increases

the

time

that

is

required

to

complete

the

procedure.

7.

Check

the

green

Drive

activity

LED

and

the

amber

Drive

fault

LED

below

the

new

drive

CRUs.

Make

sure

that

the

Drive

activity

LEDs

are

on

and

the

Drive

fault

LEDs

are

off.

Note:

The

Drive

fault

LEDs

might

flash

intermittently

while

the

drives

spin

up.

v

If

the

Drive

activity

LED

is

off,

the

drive

CRU

might

not

be

installed

correctly.

Remove

the

drive

CRU,

wait

at

least

70

seconds

for

the

drive

to

properly

spin

down,

and

then

reinstall

it.

v

If

the

Drive

fault

LED

stays

on

or

the

Drive

activity

LED

stays

off,

the

new

drive

might

be

faulty.

See

the

DS4000

Storage

Manager

client

for

problem

determination.

Chapter

5.

Installing

and

replacing

components

87

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