Example 2

This link is between two disk drives that are in the same subsystem. It has five pa

SSA Subsystem

Disk Internal Drive 1Connection

Dummy

Disk

Drive

Internal Connection

Disk

Drive 2

Example

3

 

This

link is between

two disk drives that are not in the same subsystem. It has seve

parts.

 

SSA Subsystem

SSA Subsystem

Disk Internal DriveConnection

SSA

Connector

Card

Cable

SSA

Connector

Card

Internal Disk Connection Drive

Example 4

This link is between a disk drive and an SSA RAID Adapter. It has five parts.

SSA Subsystem

Disk Internal SSA

DriveConnection Connector

Card

Cable

Adapter

Link Status Lights

If

a

fault

occurs that

prevents

the

operation

of a

particular

link, the link status li

the

various

parts

of

the

complete

link

show that

the

error has

occurred.

You

can

find

the

failing

link

by

looking

for

the

flashing green

status light at each e

the affected link. Some configurations might have

other indicators

along the link (for

example,

SSA connector

cards) to

help

with FRU

isolation.

 

The meanings of the disk drive and adapter lights are summarized here.

16 IBM SerialRAID Adapter Maintenance Information

Page 24
Image 24
IBM SY33-0193-00 manual Link Status Lights