IBM E Server x 100 Series, Installation Manual

Page: 61 / 86

Hard disk drive problems
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v
See the parts listing in Problem Determination and Service Guide to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by (Trained service technician only), that step must be performed only by a
trained service technician.
Symptom Action
Not all drives are recognized by
the hard disk drive diagnostic
test (the Fixed Disk test).
Remove the drive that is indicated by the diagnostic tests; then, run the hard disk
drive diagnostic test again. If the remaining drives are recognized, replace the drive
that you removed with a new one.
The computer stops responding
during the hard disk drive
diagnostic test.
Remove the hard disk drive that was being tested when the computer stopped
responding, and run the diagnostic test again. If the hard disk drive diagnostic test
runs successfully, replace the drive that you removed with a new one.
A hard disk drive was not
detected while the operating
system was being started.
Reseat all hard disk drives and cables; then, run the hard disk drive diagnostic
tests again.
A hard disk drive passes the
diagnostic Fixed Disk Test, but
the problem remains.
Run the diagnostic SCSI Fixed Disk Test.
Note: This test is not available on computers that have RAID arrays or computers
that have IDE or SATA hard disk drives.
Intermittent problems
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v
See the parts listing in Problem Determination and Service Guide to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by (Trained service technician only), that step must be performed only by a
trained service technician.
Symptom Action
A problem occurs only
occasionally and is difficult to
detect.
Make sure that:
v
All cables and cords are connected securely to the rear of the computer and
attached options.
v
When the computer is turned on, air is flowing from the rear of the computer at
the fan grille. If there is no airflow, the fan is not working. This can cause the
computer to overheat and shut down.
v Make sure that the SCSI bus and devices are configured correctly and that the
last external device in each SCSI chain is terminated correctly.
Chapter 5. Solving problems
49