CRS-6706: Oracle Clusterware Release patch level (‘X’) does not match Software patch level (‘X’). Oracle Clusterware cannot be started.

I got ” CRS-6706: Oracle Clusterware Release patch level (‘X’) does not match Software patch level (‘X’). Oracle Clusterware cannot be started. ” error When I apply the latest PSU of Oracle.

CRS-6706: Oracle Clusterware Release patch level (‘X’) does not match Software patch level (‘X’). Oracle Clusterware cannot be started.

Details of error are as follows.

[[email protected] ~]# opatchauto apply /u01/patch/33509923 -oh /u01/app/19.0.0/grid

OPatchauto session is initiated at Thu Feb 3 19:45:57 2022

System initialization log file is /u01/app/19.0.0/grid/cfgtoollogs/opatchautodb/systemconfig2022-02-03_07-46-06PM.log.

Session log file is /u01/app/19.0.0/grid/cfgtoollogs/opatchauto/opatchauto2022-02-03_07-46-12PM.log
The id for this session is RLUI

Executing OPatch prereq operations to verify patch applicability on home /u01/app/19.0.0/grid
Patch applicability verified successfully on home /u01/app/19.0.0/grid


Executing patch validation checks on home /u01/app/19.0.0/grid
Patch validation checks successfully completed on home /u01/app/19.0.0/grid

Checking shared status of home.....

Performing prepatch operations on CRS - bringing down CRS service on home /u01/app/19.0.0/grid
Prepatch operation log file location: /u01/app/grid/crsdata/msdbadm01/crsconfig/crs_prepatch_apply_inplace_msdbadm01_2022-02-03_07-47-48PM.log
Failed to bring down CRS service on home /u01/app/19.0.0/grid

Execution of [GIShutDownAction] patch action failed, check log for more details. Failures:
Patch Target : msdbadm01->/u01/app/19.0.0/grid Type[crs]
Details: [
---------------------------Patching Failed---------------------------------
Command execution failed during patching in home: /u01/app/19.0.0/grid, host: msdbadm01.
Command failed: /u01/app/19.0.0/grid/perl/bin/perl -I/u01/app/19.0.0/grid/perl/lib -I/u01/app/19.0.0/grid/opatchautocfg/db/dbtmp/bootstrap_msdbadm01/patchwork/crs/install -I/u01/app/19.0.0/grid/opatchautocfg/db/dbtmp/bootstrap_msdbadm01/patchwork/xag /u01/app/19.0.0/grid/opatchautocfg/db/dbtmp/bootstrap_msdbadm01/patchwork/crs/install/rootcrs.pl -prepatch
Command failure output: 
Using configuration parameter file: /u01/app/19.0.0/grid/opatchautocfg/db/dbtmp/bootstrap_msdbadm01/patchwork/crs/install/crsconfig_params
The log of current session can be found at:
/u01/app/grid/crsdata/msdbadm01/crsconfig/crs_prepatch_apply_inplace_msdbadm01_2022-02-03_07-47-48PM.log
CRS-6706: Oracle Clusterware Release patch level ('2699380708') does not match Software patch level ('3513452061'). Oracle Clusterware cannot be started.
CRS-4000: Command Start failed, or completed with errors.
2022/02/03 19:48:00 CLSRSC-117: Failed to start Oracle Clusterware stack from the Grid Infrastructure home /u01/app/19.0.0/grid

After fixing the cause of failure Run opatchauto resume

]
OPATCHAUTO-68061: The orchestration engine failed.
OPATCHAUTO-68061: The orchestration engine failed with return code 1
OPATCHAUTO-68061: Check the log for more details.
OPatchAuto failed.

OPatchauto session completed at Thu Feb 3 19:48:03 2022
Time taken to complete the session 2 minutes, 6 seconds

opatchauto failed with error code 42
[[email protected] ~]#

This CRS-6706 error is related with the rootcrs.sh -prepatch not run successfully before patching.  The user ran rootcrs.sh -unlock because rootcrs.sh -prepatch failed, and then applied the patch manually.

To solve this error, perform the following steps.

[[email protected] bin]# ./clscfg -localpatch
clscfg: EXISTING configuration version 0 detected.
Creating OCR keys for user 'root', privgrp 'root'..
Operation successful.
[[email protected] bin]#

[[email protected] install]# ./rootcrs.sh -lock
Using configuration parameter file: /u01/app/19.0.0/grid/crs/install/crsconfig_params
The log of current session can be found at:
/u01/app/grid/crsdata/msdbadm01/crsconfig/crslock_msdbadm01_2022-02-03_07-49-54PM.log
2022/02/03 19:49:58 CLSRSC-329: Replacing Clusterware entries in file 'oracle-ohasd.service'
[[email protected] install]#

#GI_HOME/bin:>  ./crsctl start crs

[[email protected] bin]# ./crsctl start crs
CRS-4123: Oracle High Availability Services has been started.
[[email protected] bin]# 
[[email protected] bin]#

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