1.crs文件已经损坏,删除crs信息
rac10g1节点:

[root@rac10g01 install]# ./rootdelete.sh
Shutting down Oracle Cluster Ready Services (CRS):
Stopping resources.
Error while stopping resources. Possible cause: CRSD is down.
Stopping CSSD.
Shutting down CSS daemon.
Shutdown request successfully issued.
Shutdown has begun. The daemons should exit soon.
Checking to see if Oracle CRS stack is down...
Oracle CRS stack is not running.
Oracle CRS stack is down now.
Removing script for Oracle Cluster Ready services
Updating ocr file for downgrade
Cleaning up SCR settings in '/etc/oracle/scls_scr'
[root@rac10g01 install]# ./rootdeinstall.sh
Removing contents from OCR mirror device
2560+0 records in
2560+0 records out
Removing contents from OCR device
2560+0 records in
2560+0 records out
[root@rac10g01 install]#

rac10g2节点:
[root@rac10g02 install]# ./rootdelete.sh
Shutting down Oracle Cluster Ready Services (CRS):
Stopping resources.
Error while stopping resources. Possible cause: CRSD is down.
Stopping CSSD.
Shutting down CSS daemon.
Shutdown request successfully issued.
Shutdown has begun. The daemons should exit soon.
Checking to see if Oracle CRS stack is down...
Oracle CRS stack is not running.
Oracle CRS stack is down now.
Removing script for Oracle Cluster Ready services
Updating ocr file for downgrade
Cleaning up SCR settings in '/etc/oracle/scls_scr'
[root@rac10g01 install]# ./rootdeinstall.sh
Removing contents from OCR mirror device
2560+0 records in
2560+0 records out
Removing contents from OCR device
2560+0 records in
2560+0 records out
[root@rac10g01 install]#

2.安装crs信息
rac10g1节点:
[root@rac10g01 install]# sh /u01/oracle/oraInventory/orainstRoot.sh
Changing permissions of /u01/oracle/oraInventory to 770.
Changing groupname of /u01/oracle/oraInventory to oinstall.
The execution of the script is complete
[root@rac10g01 install]# sh /u01/oracle/product/10.2.0.1/crs_1/root.sh
WARNING: directory '/u01/oracle/product/10.2.0.1' is not owned by root
WARNING: directory '/u01/oracle/product' is not owned by root
WARNING: directory '/u01/oracle' is not owned by root
WARNING: directory '/u01' is not owned by root
Checking to see if Oracle CRS stack is already configured

Setting the permissions on OCR backup directory
Setting up NS directories
Oracle Cluster Registry configuration upgraded successfully
WARNING: directory '/u01/oracle/product/10.2.0.1' is not owned by root
WARNING: directory '/u01/oracle/product' is not owned by root
WARNING: directory '/u01/oracle' is not owned by root
WARNING: directory '/u01' is not owned by root
Successfully accumulated necessary OCR keys.
Using ports: CSS=49895 CRS=49896 EVMC=49898 and EVMR=49897.
node <nodenumber>: <nodename> <private interconnect name> <hostname>
node 1: rac10g01 rac10g01-priv rac10g01
node 2: rac10g02 rac10g02-priv rac10g02
Creating OCR keys for user 'root', privgrp 'root'..
Operation successful.
Now formatting voting device: /dev/raw/raw3
Format of 1 voting devices complete.
Startup will be queued to init within 90 seconds.
Adding daemons to inittab
Expecting the CRS daemons to be up within 600 seconds.
CSS is active on these nodes.
        rac10g01
CSS is inactive on these nodes.
        rac10g02
Local node checking complete.
Run root.sh on remaining nodes to start CRS daemons.
[root@rac10g01 install]#