IBM B01 Service Manual page 107

Ibm s/390 integrated server 3006
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SSA RAID Adapter, SSA, and RAID
8
Observe the list of disk drives on
the screen. A dotted line (-----)
shows that a link in one of the
loops is broken. If two dotted
lines are displayed, two links are
broken, one in each loop. In the
example shown here, a break
has occurred between the fourth
and the fifth disk drive.
ISSACFG SSA Configurator and Service Aids
Is a link broken between two disk
drives?
'--
Main Menu
Disk Service Aids
Li
nk
SSA UID
Port Al
UlDxxxxx
UlDyxxxx
UID3xxxx
UID4xxxx
--------
UID5xxxx
Port A2
Port Bl
No di sks
Port B2
I
Status
Vy)'ll11ldd
OS2 Version
<ESCAPE> Exit <ENTER> Select <Fl> Help <F2> Fonnat
YES
NO
9
The disk drive may be
defective and should be
replaced. Exchange the
disk drive using "Disk
Drive Assembly (HDA)
Removal and
Replacement" on
page 164. End of
procedure
<F3> Certify <F4> ServiceMode <F5> Diagnostics <F9> FlashOn
<flO> Fl ashOff
Use the Identify function (as instructed on the
screen) to find the devices (disk drives or adapters)
that are on each side of the broken link. See
"Finding the Physical Location of a Device" on
page 125 if you need more information about
finding the disk drive.
Go to "SSA Link" on page 117. The information
that is provided there can help you solve the
problem. If necessary, refer to the service
information for the unit that contains the device.
End of procedure
86
Service Guide
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