Hypervisor Problems - IBM NeXtScale nx360 M4 Installation And Service Manual

Table 4. Hard disk drive symptoms and actions (continued)
v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v If an action step is preceded by "(Trained technician only)", that step must be performed only by a trained
technician.
v Go to the IBM support website at http://www.ibm.com/supportportal to check for technical information, hints,
tips, and new device drivers or to submit a request for information.
Symptom
The server stops responding
during the hard disk drive
diagnostic test.
A hard disk drive was not
detected while the operating
system was being started.
A hard disk drive passes the
diagnostic Fixed Disk Test, but
the problem remains.

Hypervisor problems

Use this information to solve 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 If an action step is preceded by "(Trained technician only)," that step must be performed only by a trained
technician.
v Go to the IBM support website at to check for technical information, hints, tips, and new device drivers or to
submit a request for information.
Symptom
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.
Action
Remove the hard disk drive that was being tested when the server 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.
Reseat all hard disk drives and cables; then, run the hard disk drive diagnostic
tests again.
Run the diagnostic SCSI Fixed Disk Test (see "Running DSA Preboot diagnostic
programs" on page 60).
Note: This test is not available on servers that have RAID arrays or servers that
have SATA hard disk drives.
Action
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 the USB flash drive" on page 162 and
"Installing the USB flash drive" on page 163).
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. Troubleshooting
63