Collecting Memory Dump - NEC Express5800 Series Maintenance Manual

Chapter 1 Maintenance
7.3

Collecting Memory Dump

If an error occurs, the dump file should be saved to acquire necessary information.
Dump data of ESXi host is stored in /var/core/vmkernel-zdump-MMDDYY.HH:mm.n on ESXi host.
* MMDDYY denotes the created date, and HH:mm.n denotes the created time.
* It may take certain time to create dump data file.
Consult with your sales representative before dumping the memory. Dumping the memory while the server is in
operating normally may affect the system operation.
If a failure occurs and you want to collect memory dump, perform either of the following:
•
Press the DUMP switch.
•
Run the ftsmaint dump command.
For details of ftsmaint dump command, see Chapter 1 (4.1.5 Dump collection).
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Important
•
A message indicating insufficient virtual memory may appear when
restarting the system due to an error. Ignore this message and proceed.
Restarting the system may result in an inability to properly dump the
data.
•
If a physical processor of CPU #0 is allowed to be used for the virtual
machine, memory dump may not be collected even when pressing the
DUMP switch. To operate the machine assuming to collect memory
dump, set the value other than "0" for the property of "Scheduling
Affinity" of the virtual machine.
Express5800/R320c-E4, R320c-M4 Maintenance Guide (VMware)
7. Collecting Failure Information