Collecting The Memory Dump - NEC Bull NovaScale R620 User Manual

COLLECTING THE MEMORY DUMP

If a failure occurs, the memory data should be dumped to acquire the required information. If you stored the dump data
in a DAT, label it so as to indicate the software (e.g. NTBackup) you used for storing it. You may save the diagnosis
data to a desired destination.
IMPORTANT:

Consult with your sales agent before dumping the memory. Executing memory dumping while the server is in
the normal operation may affect the system operation.

Restarting the system due to an error may display a message indicating insufficient virtual memory. Ignore this
message and proceed. Restarting the system again may result in dumping improper data.
Preparing for Memory Dump
Memory dumping with the DUMP switch may disable the server to restart. In such a case, it is required to force the
server to shut down. This forced shutdown, however, is not available if "Enabled" is selected for "Switch Inhibit" on the
Security menu of the BIOS setup utility, SETUP, because this setting disables POWER switch operation.
Follow the procedure below to change the setting to enable the forced shutdown and restart of the server.
1. Power on the server and start the BIOS setup utility, SETUP.
2. Select "Disabled" for "Switch Inhibit" in the Security menu.
3. Save the configuration data and exit the SETUP.
Saving Dump Files
Press the DUMP (NMI) switch to save the dump file when an error
occurs. Insert something sharp-pointed like a pen into the switch hole
to press the DUMP switch.
Pressing the DUMP switch saves the dump file in the specified
directory. (Memory dumping may not be available when the CPU
stalls.)
IMPORTANT:
Do not use a toothpick or plastic stick that is easy to
break.
NovaScale R620 User Guide
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Dump (NMI) switches