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A cluster node hung and was unexpectedly rebooted (Doc ID 2328894.1)

Last updated on AUGUST 04, 2018

Applies to:

Linux OS - Version Oracle Linux 5.11 and later
Information in this document applies to any platform.

Symptoms

The system, which was part of a cluster, became non-responsive, and then rebooted unexpectedly.
The following errors were logged to multiple nodes within the cluster immediately prior to the affected server rebooting.

Sep 15 21:23:55 localhost kernel: sd 1:0:1:41: timing out command, waited 60s
Sep 15 21:23:55 localhost kernel: sd 1:0:1:42: timing out command, waited 60s
Sep 15 21:23:55 localhost kernel: sd 1:0:1:45: timing out command, waited 60s
Sep 15 21:23:55 localhost kernel: sd 1:0:1:34: timing out command, waited 60s
Sep 15 21:23:55 localhost kernel: sd 1:0:1:32: timing out command, waited 60s
Sep 15 21:23:55 localhost kernel: sd 1:0:1:20: timing out command, waited 60s


Cause

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