Troubleshooting Your System
8-12 AlphaServer 1000A Rackmount Owner’s Guide
Table 8–7: Troubleshooting Fixed-Media Problems
Symptom
Problem
Action
Fault indicator for drive is on
(amber).
Drive has failed.
Replace the drive.
Drives with duplicate SCSI IDs
are missing from the
show
config
display.
Duplicate SCSI IDs (when
removable-media bus is
extended to StorageWorks
shelf).
Correct removable-media
SCSI device IDs.
Drives appear intermittently in
show config
display.
SCSI bus length exceeded.
Check cabling.
Valid drives are missing from the
show config
display.
SCSI ID is set to 7 (reserved
for host ID).
Correct the SCSI IDs.
One drive may appear seven
times on the configuration screen
display.
Duplicate host Ids on a shared
bus.
Change host ID through
the
pk*0 host id
environment variable (
set
pk*0_host_id
).
For systems using
Windows NT, choose "Set
default configuration" from
the Setup menu to select
the host ID.
You cannot access the software
or data on the drive.
The SCSI ID of the drive is
not unique or the SCSI drive
cables are connected
incorrectly.
The SCSI drive is faulty.
See Chapter 6,
"Configuring Your
System" for information on
SCSI device configuration
display. If the device is
not listed in the display,
check the SCSI cabling and
the drive’s SCSI ID.
Contact your service
representative.
Activity indicators do not come
on.
Missing or loose cables.
Remove device and inspect
cable connections.
Drive is missing from the
show
config
display.
Drive is not properly seated.
Reseat drive.
Table 8–8 lists suggestions for troubleshooting fixed-media mass storage problems at
startup or when storage devices are missing from the
show config
display.
