ORA-1092 : opitsk aborting process

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This error shown when load high from database and unix server(as we have unix type veritas cluster

) detect hang and db failover to another node.


even in alertlog show only one errror and no other info(no trace file generation) trace cause so 
in this case below is help to trace(generate trace file immediate when impact time by using below mentod) and raise case to vedor and upload trace file(even if you can able to trace cause from file as you can)

Hanganalyze need to be collected when the situation occurs, below are the steps to perform such task. 
Hanganalyze 
sqlplus '/ as sysdba' 
oradebug setmypid 
oradebug unlimit 
oradebug hanganalyze 3 
-- Wait one minute before getting the second hanganalyze 
oradebug hanganalyze 3 
oradebug tracefile_name 
exit 

Thanks for the visit !
 Any doubts or correction/suggestions, please comment below it helps me to improve in further posts.

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