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What do I do when Oracle Grid Cluster Services (CRS) won't start as system file permissions have been lost

What do I do when Oracle Grid Cluster Services (CRS) won't start as system file permissions have been lost
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What do I do when Oracle Grid Cluster Services (CRS) won't start as system file permissions have been lost
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In this article we will see what to do when one of the Oracle Cluster servers/nodes shows an error and the Cluster Services (CRS) do not start.

The symptom

When we go to start Cluster Services (CRS):

su root

crsctl start crs

It gives us the following error and won't boot:

CRS-4563: Insufficient user privileges.
CRS-4000: Command Start failed, or completed with errors.

If we go to GRID_HOME installed we see that all files have the same owner and permissions, which doesn't seem right:

cd $GRID_HOME

ls -ltr
What do I do when Oracle Grid Cluster Services (CRS) won't start as system file permissions have been lost
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If we go and run it cluvfy (with the oracle or grid user) to check the installation:

su oracle
cd $GRID_HOME/bin

./cluvfy comp software -n all -verbose

We will see that too many files have wrong permissions:

What do I do when Oracle Grid Cluster Services (CRS) won't start as system file permissions have been lost
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How is the problem made?

First we check if any Cluster service (CRS) is up:

su root
cd $GRID_HOME/bin

./crsctl check crs

If we see that something is still running, stop CRS:

./crsctl stop crs

If we have a Cluster with Grid Infrastructure 12c and then run the following as root user:

su root
cd $GRID_HOME/crs/install

./rootcrs.sh -init

If we have Standalone Grid Infrastructure 12c and then run the following as root user:

su root
cd $GRID_HOME/crs/install

./roothas.sh -init

If we have a Cluster with Grid Infrastructure up to 11.2 we run the following with root user:

su root
cd $GRID_HOME/crs/install

./rootcrs.pl -init

If we have Standalone Grid Infrastructure up to 11.2 we run the following with root user:

su root
cd $GRID_HOME/crs/install

./roothas.pl  -init

After the execution is complete, we check the permissions again:

cd $GRID_HOME/bin

ls -ltr
What do I do when Oracle Grid Cluster Services (CRS) won't start as system file permissions have been lost
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Now the permissions seem to have changed so we can try to bring up the Cluster (CRS):

crsctl start crs
CRS-4123: Oracle High Availability Services has been started.

And after some time we can test if all the resources are up:

crsctl status resource -t
What do I do when Oracle Grid Cluster Services (CRS) won't start as system file permissions have been lost
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If the database resource is not up, run the following with the oracle user:

su oracle

srvctl start database -d dbname

Sources:

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