-overwrite
To update an OCR configuration that is recorded on the OCR with the current OCR configuration information that is found on the node from which you are running this command.
-repair
To update an OCR configuration on the node from which you are running this command with the new configuration information specified by this command.
-replace
To add, replace, or remove an OCR location.
-restore
To restore an OCR from an automatically created OCR backup file.
-showbackup
To display the location, timestamp, and the originating node name of the backup files that Oracle created in the past 4 hours, 8 hours, 12 hours, and in the last day and week. You do not have to be the root user to execute the -showbackup option.
-upgrade
To upgrade an OCR to a later version.
ocr损坏后怎么恢复？
ocr损坏后通常有两种方式进行修正：恢复和重建。恢复的时候，我们可以从之前export导出的文件恢复，也可以从之前有masternode备份的文件进行恢复。
[root@node1 bin]# ./crs_stat -t -v Name Type R/RA F/FT Target State Host ---------------------------------------------------------------------- httpd_vip application 0/1 0/0 ONLINE ONLINE node2 httpd_web application 0/1 0/4 ONLINE ONLINE node2 ora....SM1.asm application 0/5 0/0 ONLINE ONLINE node1 ora....E1.lsnr application 0/5 0/0 ONLINE ONLINE node1 ora.node1.gsd application 0/5 0/0 ONLINE ONLINE node1 ora.node1.ons application 0/3 0/0 ONLINE ONLINE node1 ora.node1.vip application 0/0 0/0 ONLINE ONLINE node1 ora....SM2.asm application 0/5 0/0 ONLINE ONLINE node2 ora....E2.lsnr application 0/5 0/0 ONLINE ONLINE node2 ora.node2.gsd application 0/5 0/0 ONLINE ONLINE node2 ora.node2.ons application 0/3 0/0 ONLINE ONLINE node2 ora.node2.vip application 0/0 0/0 ONLINE ONLINE node2 ora.racdb.db application 0/0 0/1 ONLINE ONLINE node2 ora....b1.inst application 0/5 0/0 ONLINE ONLINE node1 ora....b2.inst application 0/5 0/0 ONLINE ONLINE node2 [root@node1 bin]# ./ocrconfig -export a.ocr （导出时最好是关闭crs） [root@node1 bin]# ./crs_stop httpd_web Attempting to stop `httpd_web` on member `node2` Stop of `httpd_web` on member `node2` succeeded. [root@node1 bin]# ./crs_stop httpd_vip Attempting to stop `httpd_vip` on member `node2` Stop of `httpd_vip` on member `node2` succeeded. [root@node1 bin]# ./crs_stat -t -v Name Type R/RA F/FT Target State Host ---------------------------------------------------------------------- httpd_vip application 0/1 0/0 OFFLINE OFFLINE httpd_web application 0/1 0/4 OFFLINE OFFLINE ora....SM1.asm application 0/5 0/0 ONLINE ONLINE node1 ora....E1.lsnr application 0/5 0/0 ONLINE ONLINE node1 ora.node1.gsd application 0/5 0/0 ONLINE ONLINE node1 ora.node1.ons application 0/3 0/0 ONLINE ONLINE node1 ora.node1.vip application 0/0 0/0 ONLINE ONLINE node1 ora....SM2.asm application 0/5 0/0 ONLINE ONLINE node2 ora....E2.lsnr application 0/5 0/0 ONLINE ONLINE node2 ora.node2.gsd application 0/5 0/0 ONLINE ONLINE node2 ora.node2.ons application 0/3 0/0 ONLINE ONLINE node2 ora.node2.vip application 0/0 0/0 ONLINE ONLINE node2 ora.racdb.db application 0/0 0/1 ONLINE ONLINE node2 ora....b1.inst application 0/5 0/0 ONLINE ONLINE node1 ora....b2.inst application 0/5 0/0 ONLINE ONLINE node2 [root@node1 bin]# ./crs_unregister httpd_web [root@node1 bin]# ./crs_unregister httpd_vip [root@node1 bin]# ./crs_stat -t -v Name Type R/RA F/FT Target State Host --------------------------------------------------