IBM 8681 Hardware Maintenance Manual - Page 214

DASD LEDs for hardfiles running in a RAID environment, SCSI errors, Replace the SCSI backplane.

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DASD LEDs for hardfiles running in a RAID environment Check the status LED. If on, do the following: 1. Check the internal SCSI drive cable. 2. Replace the failing hard disk drive. 3. Replace the SCSI backplane. 4. Replace the hard disk drive controller (PCI adapter). SCSI errors Error Code Internal SCSI hard drive does not configure on boot External SCSI device does not configure on boot One or more of the following might be causing the problem: Internal SCSI device status LED stays lit constantly FRU/Action 1. Run Setup/Configuration Utility. 2. Run SCSI Select Utility. 3. Suspect FRUs in the following order: a. SCSI cable b. Media Power cable c. Hard file d. I/O Function card e. SCSI backplane 1. External SCSI devices must be powered-on before you power-on the server. 2. The cables for all external SCSI devices are connected correctly, and are not damaged. 3. If you have attached an external SCSI device to the server, make sure the external SCSI termination is set to automatic. 4. The last device in each SCSI chain is terminated correctly. 5. The SCSI devices are configured correctly. 6. Front Panel Cable. 1. SCSI device (if in a RAID configuration) 2. SCSI backplane 3. SCSI cable 206 Netfinity Server HMM

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DASD LEDs for hardfiles running in a
RAID environment
Check the status LED.
If on, do the following:
1.
Check the internal SCSI drive cable.
2.
Replace the failing hard disk drive.
3.
Replace the SCSI backplane.
4.
Replace the hard disk drive controller (PCI adapter).
SCSI errors
Error Code
FRU/Action
Internal SCSI hard drive
does not configure on
boot
1.
Run
Setup/Configuration
Utility.
2.
Run SCSI Select
Utility.
3.
Suspect FRUs in the
following order:
a.
SCSI cable
b.
Media Power
cable
c.
Hard file
d.
I/O Function card
e.
SCSI backplane
External SCSI device does
not configure on boot
One or more of the following
might be causing the
problem:
1.
External SCSI
devices must be
powered-on before
you power-on the
server.
2.
The cables for all
external SCSI devices
are connected
correctly, and are not
damaged.
3.
If you have attached
an external SCSI
device to the server,
make sure the external
SCSI termination is set
to automatic.
4.
The last device in each
SCSI chain is
terminated correctly.
5.
The SCSI devices are
configured correctly.
6.
Front Panel Cable.
Internal SCSI device
status LED stays lit
constantly
1.
SCSI device (if in a
RAID configuration)
2.
SCSI backplane
3.
SCSI cable
206
Netfinity Server HMM