IBM 7378, Problem Determination And Service Manual

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v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v
See Chapter 4, “Parts listing, System x3400 M3 Types 7378 and 7379,” on page 141 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 hard disk drive passes the
diagnostic Fixed Disk Test, but
the problem remains. Run the diagnostic SCSI Fixed Disk Test (see “Running the diagnostic programs”
on page 97).
Note: This test is not available on servers that have RAID arrays or servers that
have SATA hard disk drives.
Hypervisor 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 Chapter 4, “Parts listing, System x3400 M3 Types 7378 and 7379,” on page
141to 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.
v Go to the IBM support Web site at http://www.ibm.com/systems/support/ to check
for technical information, hints, tips, and new device drivers or to submit a request
for information.
Symptom Action
If an optional embedded
hypervisor flash device is
not listed in the expected
boot order, does not
appear in the list of boot
devices, or a similar
problem has occurred.
1. Make sure that the optional embedded hypervisor flash
device is selected on the boot manager (<F12> Select Boot
Device) at startup.
2. Make sure that the embedded hypervisor flash device is
seated in the connector correctly (see “Removing a USB
embedded hypervisor flash device” on page 234and
“Installing a USB embedded hypervisor flash device” on page
236).
3. See the documentation that comes with the optional
embedded hypervisor flash device for setup and configuration
information.
4. Make sure that other software works on the server.
Chapter 3. Diagnostics
77