IBM RS/6000 manual Disk Maintenance Service Aid

Disk Maintenance Service Aid

There are two kinds of disk maintenance service aids:

Ÿ Disk to Disk Copy Service Aid

ŸDisplay/Alter Sector Service Aid

Disk

to

Disk

Copy

Service Aid

The

service

aid

allows

you to

recover

data

from

an

old

drive

when repla

new

drive. The

service

aid only supports copying from a drive

to

another

similar size; it cannot be used to update

a

differentmigratepv

size

drive. The

command

should be

used

when updating drives. The service aid recovers all

software reassigned blocks. To prevent corrupted data from

being

copied

t

drive,

the

service

aid

aborts if an unrecoverable read

error

is

detec

prevent

possible

problems

with

the

new

drive,

the

service

aid

aborts if

bad

blocks

being

reassigned

reaches

a

threshold.

The

procedure

for

using

this

service

aid

requires

that

both

the

old

an

installed

in

or

attached

to

the

system

with

unique

SCSI addresses.

This

r

that the new disk drive SCSI

address

must be set to an

address

that

i

being used and the drive be installed in an empty location. If

there

a

locations, one of the other drives can be temporarily removed. Once the

complete,

either

remove

the target drive to return to the original

config

perform

the

following

procedure

to complete

the

replacement of

the

old

d

new

drive:

1. Remove both drives.

2. Set the SCSI address of the new drive to the SCSI address of the

3. Install the new drive in the old drive's location.

4. Install any other drives that were removed into their original location

To prevent problems that may occur when running this service aid from disk service aid from diagnostics loaded from removable media.

7-12RS/6000 Enterprise Server Model H Series User's Guide