Finding Information About A Lights Out Or Brown Out Event; Related Topics - IBM eserver Cluster 1350 Installation And Service Manual

5. Unplug the power distribution unit power cables from the wall outlet.

Finding information about a lights out or brown out event

In the event of a lights out or brown out event, the following sequence occurs:
v The system is up and running typical applications.
v A lights out or brown out event occurs. The system shuts down then restarts
v All nodes turn on to the last known state (On/Off). If the last known state is On,
v Log files show system restart events on nodes and on Remote Supervisor

Related topics

v Chapter 5, "Checking the Cluster 1350 cabling process," on page 23
v Appendix C, "Error and event logs," on page 77
36 IBM Eserver Cluster 1350 Installation and Service Guide
v To turn off the power distribution units, unplug the power cables from the wall
outlet.
v The following devices have no power switch and must be unplugged if the
power distribution units are not turned off:
– KVM switch
– Cisco 10/100 switch
– Cisco Gigabit switch
– In-Reach terminal server
through an external source.
then the nodes will boot to a console login prompt.
Adapter devices. Review the following log files for more information about the
event:
– /var/log/messages
– /var/log/csm/installnode.log
– RSA event log.
– BIOS event log