Oracle internals, debugging and undocumented features

Linux bug 405781 in OEL 4/RH 4 , OEL 5/ RH 5 reboots RAC node!

RAC node reboots and all you can see are messages

Oracle clsomon failed with fatal status 13.

Oracle CRS failure. Rebooting for cluster integrity

then you dig every clusterware logs and Oracle bugs but problem is somewhere else..

Reboot is caused by a Linux OS bug related to ‘glibc’.More info


This also is reported under Oracle Bug 6790001 

For detail explanation please see Metalink Note:731599.1


– EL4 customers: install glibc-2.3.4-2.40 (or above) or upgrade to EL4u7
– EL5 customers: install glibc-2.5-24 (or above) or upgrade to EL5u2
– SLES10 customers: bug 416838 filed for this problem, contact Novell for fix.


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