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Chapter 1 Maintenance
Take the steps below to use the DUMP (NMI) switch.
Hold and press the DUMP switch on the primary CPU/IO module for 4 to 8 seconds.
Press the DUMP switch by inserting the pointed tool such as ballpoint pen into the switch hole.
<How to press the DUMP switch>
0 sec
1 sec
2 sec
Press the DUMP switch
<Location of the DUMP switch>
The memory dump is stored when DUMP switch is pressed. (Memory dump may not be collected at CPU stall.)
After executing memory dump using the DUMP switch, the server may fail to restart. In such a case, forcibly
reset the server according to Chapter 1 (9.2 Forced Shutdown).
Important
If you perform these steps, the system is made offline automatically, and is
rebooted. Note that the system is not ready for use for that period.
3 sec
4 sec
5 sec
Press and hold
Important
•
Pressing the DUMP switch excessively shorter or longer will fail to
collect memory dump.
•
Do not use anything that easily breaks such as pencil, toothpicks, or
plastic.
Tips
The dump files cannot be deleted automatically. Check the /var/core directory size
periodically in order not to run out of the capacity.
The size of a dump file is approximately 100 MB.
Express5800/R320d-E4, R320d-M4 Maintenance Guide (VMware 5.5)
6 sec
7 sec
8 sec
Release the switch
DUMP(NMI) switch
7. Collecting Failure Information
9 sec
10 sec
11 sec
Do not press the switch for
9 seconds or longer.
65
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