Child Process of exadata_mon_hw_asr.pl remains as defunct process (Doc ID 1519443.1)

Last updated on FEBRUARY 08, 2013

Applies to:

Oracle Exadata Storage Server Software - Version 11.2.2.4.2 to 11.2.3.1.1 [Release 11.2]
Linux x86-64
Oracle Solaris on x86-64 (64-bit)

Symptoms

 In Exadata Database Server, defunct process exists.

  # ps -ef |grep defunct
  root     14589 12106  0 22:34 ?        00:00:00 [sh] <defunct>

It is found to be the child process of exadata_mon_hw_asr.pl

  # ps -ef |grep 12106
  root     12106     1  0 05:17 ?        00:00:00 /usr/bin/perl -w /opt/oracle.cellos/compmon/exadata_mon_hw_asr.pl -server

Although defunct process exists , the number of defunct processes don't increase.

Its found that pid for defunct process changes every few minutes.

 # ps -ef |grep defunct
 root     19259 12106  0 22:39 ?        00:00:00 [sh] <defunct>
 root     19282 16711  0 22:39 pts/0    00:00:00 grep defunct

Cause

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