此贴记录一个真实案例， 通过查找MOS文档，解决了问题。
现象：
Oracle 12.1 RAC 环境打补丁(opatchauto apply)时失败，提示CRS-1153 CRS-4000。
日志示例如下：
[root@racnode1 19392646]# /ocw/c102/OPatch/opatchauto apply -oh /ocw/c102 -ocmrf /mnt/OP/ocm.rsp
....
Configuration Validation: Successful
Patch Location: /mnt/OP/C102PSU1/19392646
Grid Infrastructure Patch(es): 19303936 19392590 19392604
RAC Patch(es): 19303936 19392604
Patch Validation: Successful
Stopping CRS ... Failed
Command "/ocw/c102/perl/bin/perl -I/ocw/c102/perl/lib -I/ocw/c102/crs/install /ocw/c102/crs/install/rootcrs.pl -prepatch" execution failed:
Died at /ocw/c102/crs/install/crspatch.pm line 751.
For more details, please refer to the log file "/ocw/c102/cfgtoollogs/opatchauto/19392646/opatch_gi_2014-10-19_11-41-35_deploy.debug.log".
Apply Summary:
Following patch(es) failed to be installed:
GI Home: /ocw/c102: 19303936, 19392590, 19392604
opatchauto failed with error code 2.
2014-10-19_11-42-02 :
Executing command:
/ocw/c102/perl/bin/perl -I/ocw/c102/perl/lib -I/ocw/c102/crs/install /ocw/c102/crs/install/rootcrs.pl -prepatch
2014-10-19_11-42-08 :
COMMAND EXECUTION FAILURE :
Using configuration parameter file: /ocw/c102/crs/install/crsconfig_params
Oracle Clusterware active version on the cluster is [12.1.0.2.0]. The cluster upgrade state is [ROLLING PATCH]. The cluster active patch level is [0].
PROC-28: Oracle Cluster Registry already in current version
CRS-1153: There was an error setting Oracle Clusterware to rolling patch mode.
CRS-4000: Command Start failed, or completed with errors.
2014/10/19 11:42:06 CLSRSC-430: Failed to start rolling patch mode
ERROR:
Died at /ocw/c102/crs/install/crspatch.pm line 751.
2014-10-19_11-42-08 :
Failed to run this command :
/ocw/c102/perl/bin/perl -I/ocw/c102/perl/lib -I/ocw/c102/crs/install /ocw/c102/crs/install/rootcrs.pl -prepatch
oracle.opatch.gi.RunExecutionSteps.runGenericShellCommands(RunExecutionSteps.java:874)
oracle.opatch.gi.RunExecutionSteps.processAllSteps(RunExecutionSteps.java:197)
oracle.opatch.gi.GIPatching.processPatchingSteps(GIPatching.java:756)
oracle.opatch.gi.OPatchautoExecution.main(OPatchautoExecution.java:125)
Command "/ocw/c102/perl/bin/perl -I/ocw/c102/perl/lib -I/ocw/c102/crs/install /ocw/c102/crs/install/rootcrs.pl -prepatch" execution failed:
Died at /ocw/c102/crs/install/crspatch.pm line 751.
The issue happens if the cluster is already in rolling patch mode, it's due to unpublished bug:
BUG 19499021 - 12.1.0.2.1GIPSU: OPATCHAUTO HIT CLSRSC-430: FAILED TO START ROLLING PATCH MODE
解决办法：执行以下命令并重新安装补丁
The fix is included in 12.1.0.2 GI PSU1, the workaround is to stop rolling patch and re-run opatchauto: