新增或者删除orc最好在所有节点都在线时进行，否则会出现节点信息不同步的情况，

例如：如果在节点node2关闭时，在节点node1进行ocr删除操作，结果如下

[root@node1 bin]# ssh node2 /u01/app/crs_home/bin/crsctl stop crs
root@node2's password: 
Permission denied, please try again.
root@node2's password: 
Stopping resources. This could take several minutes.
Successfully stopped CRS resources.
Stopping CSSD.
Shutting down CSS daemon.
Shutdown request successfully issued.
[root@node1 bin]# ssh node2 /u01/app/crs_home/bin/crsctl check crs
root@node2's password: 
Failure 1 contacting CSS daemon
Cannot communicate with CRS
Cannot communicate with EVM 
[root@node1 bin]# ./ocrcheck
Status of Oracle Cluster Registry is as follows :
	 Version                  :          2
	 Total space (kbytes)     :    1125736
	 Used space (kbytes)      :       3852
	 Available space (kbytes) :    1121884
	 ID                       :  849560479
	 Device/File Name         : /dev/raw/raw3
                                    Device/File integrity check succeeded
	 Device/File Name         : /dev/raw/raw4
                                    Device/File integrity check succeeded

	 Cluster registry integrity check succeeded

[root@node1 bin]# ./ocrconfig -replace ocrmirror 
[root@node1 bin]# ./ocrcheck
Status of Oracle Cluster Registry is as follows :
	 Version                  :          2
	 Total space (kbytes)     :    1125736
	 Used space (kbytes)      :       3852
	 Available space (kbytes) :    1121884
	 ID                       :  849560479
	 Device/File Name         : /dev/raw/raw3
                                    Device/File integrity check succeeded

                                    Device/File not configured

	 Cluster registry integrity check succeeded

[root@node1 bin]# cat /etc/oracle/ocr.loc 
#Device/file /dev/raw/raw4 being deleted 
ocrconfig_loc=/dev/raw/raw3
local_only=false[root@node1 bin]# ssh node2 cat /etc/oracle/ocr.loc 
root@node2's password: 
Permission denied, please try again.
root@node2's password: 
#Device/file /dev/raw/raw1 getting replaced by device /dev/raw/raw3 
ocrconfig_loc=/dev/raw/raw3
ocrmirrorconfig_loc=/dev/raw/raw4
local_only=false[root@node1 bin]# ssh node2 /u01/app/crs_home/bin/crsctl start crs
root@node2's password: 
Attempting to start CRS stack 
The CRS stack will be started shortly
[root@node1 bin]# ssh node2 /u01/app/crs_home/bin/crsctl check crs
root@node2's password: 
Failure 1 contacting CSS daemon
Cannot communicate with CRS
Cannot communicate with EVM 
[root@node1 bin]# ssh node2 /u01/app/crs_home/bin/ocrconfig -repair ocrmirror
root@node2's password: 
[root@node1 bin]# ssh node2 cat /etc/oracle/ocr.loc 
root@node2's password: 
#Device/file /dev/raw/raw4 being deleted 
ocrconfig_loc=/dev/raw/raw3
local_only=false[r
[root@node1 bin]# ssh node2 /u01/app/crs_home/bin/crsctl start crs
root@node2's password: 
Attempting to start CRS stack 
The CRS stack will be started shortly
[root@node1 bin]# ssh node2 /u01/app/crs_home/bin/crsctl check crs
root@node2's password: 
CSS appears healthy
CRS appears healthy
EVM appears healthy

如何添加/删除votedisk？

添加删除votedisk可以使用crsctl命令：