Re: ORA-00481: LMON process terminated with error

  • From: "LS Cheng" <exriscer@xxxxxxxxx>
  • To: Andrey.Kriushin@xxxxxxxx
  • Date: Tue, 25 Jul 2006 16:32:15 +0200


The single instance does use same ORACLE_HOME. My doubt is however why the
single instance failed when RAC was still up and running? What can cause
LMON process terminated with error?


On 7/25/06, Andrey Kriushin <Andrey.Kriushin@xxxxxxxx> wrote:

Does your "single instance" use the same ORACLE_HOME as that of RAC?
Then the software is RAC-aware, communicates with clusterware etc. You
may use non-RAC home. On unix it is simple - just make a copy of
ORACLE_HOME, change the environment (ORACLE_HOME and dependants) and
relink oracle executable
$ export ORACLE_HOME=new_oracle_home # don't forget other environment
$ cd $ORACLE_HOME/rdbms/lib
$ make -f ioracle rac_off

-- Andrey

LS Cheng:
> I have a single instance development database located in node 2 of a
> 9i RAC database. (development purpose as well). Recently the non-rac
> database had an instance failure showing this error
> error 481 detected in background process
> ORA-00481: LMON process terminated with error
> ksuitm: waiting for [5] seconds before killing DIAG
> I understand that error should apply to a RAC database. I am not able
> to find out why the database failed. Any lights?

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