IBM RS/6000 manual One SSA path is active. Also, ?????, Question Marks Show Where

from

either

direction,

the

broken loop does not prevent access to any

unless

that

data

is

on

the

failed disk drive module. If the loop is

two

disk

drive

modules,

the

ready

lights

on those

modules

flash

to

sho

one

SSA path is active. Also,

the

Link

Verification

service

aid shows

th

one

path

is

available

to

each

disk

drive

module

on

the

broken

loop.

You

can

find

the

physical

location

of

any

disk drive module on the lin

the

identify

function

(see

“The

Identify

Function”

on

page 7-31).

Notes:

a. In

the

lists

of

physical

disk

drives

(pdisks)

that

are displayed

aids,

you

might see:

?????

Question

marks

show

where

an

SSA

loop is broken. No informa-

tion

is

available

about

any

devices that

are

beyond

this

***** Asterisks indicate an unconfigured device. That device might

ŸAnother SSA adapter that is in the same using system or i different using system.

Ÿ

An

SSA device

that is in

the

SSA

network,

but

whose type

not known. Such a condition can occur if, for example,

devices

are

added to the network,cfgmgr

butcommandthe

is

not

run

to

configure

those

devices

into

the using sys

For example:

*33333333333333333333333333333333333333333333333333333333333333333333333333333333330

+ LINK VERIFICATION

8ð2386 +

+

+

+ SSA Link Verification for:

+

+

ssa1

ðð-ð5

SSA ADAPTER

+

+

+

+ To set or reset Identify, move cursor onto selection, then￿ press Enter.

+

+

+

+

Physical

Serial#

Adapter Port

+

+

+

+

A1

A2 B1

B2

Status

+

+

{TOP}

+

+

pdiskð

11111111

ð

Good

+

+

pdisk1

22222222

1

Good

+

+

?????

+

+

pdisk3

44444444

4

Good

+

+

pdisk4

55555555

3

Good

+

+

pdisk5

66666666

2

Good

+

+

pdisk6

77777777

1

Good

+

+

pdisk7

88888888

ð

Good

+

+

pdisk8

99999999

ð

3

Good

+

+

pdisk9

1ððððððð

1

2

Good

+

+

{MORE}

+

+

+

+

F3=Cancel

F1ð=Exit

+

+

+

,33333333333333333333333333333333333333333333333333333333333333333333333333333333332

Note that the missing disk drive module (pdisk2) is represented by question marks.

7-40RS/6000 Enterprise Server Model H Series User's Guide