以下的文章驻澳介绍的是Oracle OCR镜像的增加以及其删除的实际操作步骤，我们大家都知道Oracle OCR记录节点成员配置的相关信息,有以下几种，ASM、instance、listener、VIP等CRS资源的配置信息。
检查Oracle OCR的状态
[root@node3~]#ocrcheck StatusofOracleClusterRegistryisasfollows: Version:2 Totalspace(kbytes):208656 Usedspace(kbytes):6496 Availablespace(kbytes):202160 ID:844916878 Device/FileName:/dev/raw/raw2 Device/Fileintegritychecksucceeded Device/Filenotconfigured Clusterregistryintegritychecksucceeded [root@node3~]#cat/etc/oracle/ocr.loc #Device/file/dev/raw/raw4beingdeleted ocrconfig_loc=/dev/raw/raw2 local_only=false
增加一个镜像
[root@node3~]#ocrconfig-replaceocrmirror/dev/raw/raw4 [root@node3~]#ocrcheck StatusofOracleClusterRegistryisasfollows: Version:2 Totalspace(kbytes):208656 Usedspace(kbytes):6496 Availablespace(kbytes):202160 ID:844916878 Device/FileName:/dev/raw/raw2 Device/Fileintegritychecksucceeded Device/FileName:/dev/raw/raw4 Device/Fileintegritychecksucceeded Clusterregistryintegritychecksucceeded [root@node3~]#cat/etc/oracle/ocr.loc #Device/filegettingreplacedbydevice/dev/raw/raw4 ocrconfig_loc=/dev/raw/raw2 ocrmirrorconfig_loc=/dev/raw/raw4 local_only=false [root@node3~]#ocrconfig-replaceocrmirror/dev/raw/raw6 [root@node3~]#ocrcheck StatusofOracleClusterRegistryisasfollows: Version:2 Totalspace(kbytes):208656 Usedspace(kbytes):6496 Availablespace(kbytes):202160 ID:844916878 Device/FileName:/dev/raw/raw2 Device/Fileintegritychecksucceeded Device/FileName:/dev/raw/raw6 Device/Fileintegritychecksucceeded Clusterregistryintegritychecksucceeded [root@node3~]#cat/etc/oracle/ocr.loc #Device/file/dev/raw/raw4gettingreplacedbydevice/dev/raw/raw6 ocrconfig_loc=/dev/raw/raw2 ocrmirrorconfig_loc=/dev/raw/raw6 local_only=false
Oracle OCR只能有一份镜像，新增加的镜像文件会替换掉原来的镜像。
删除Oracle OCR的镜像文件
[root@node3 ~]# ocrconfig -replace ocrmirror —不带文件路径名
[root@node3~]#ocrcheck StatusofOracleClusterRegistryisasfollows: Version:2 Totalspace(kbytes):208656 Usedspace(kbytes):6496 Availablespace(kbytes):202160 ID:844916878 Device/FileName:/dev/raw/raw2 Device/Fileintegritychecksucceeded Device/Filenotconfigured Clusterregistryintegritychecksucceeded [root@node3~]#cat/etc/oracle/ocr.loc #Device/file/dev/raw/raw6beingdeleted ocrconfig_loc=/dev/raw/raw2 local_only=false
注意如果我们删除了Oracle OCR的主文件,相应的镜像文件自动的变为主文件。
例如：
[root@node3~]#ocrcheck StatusofOracleClusterRegistryisasfollows: Version:2 Totalspace(kbytes):208656 Usedspace(kbytes):6496 Availablespace(kbytes):202160 ID:844916878 Device/FileName:/dev/raw/raw2 Device/Fileintegritychecksucceeded Device/FileName:/dev/raw/raw4 Device/Fileintegritychecksucceeded Clusterregistryintegritychecksucceeded [root@node3~]#ocrconfig-replaceocr [root@node3~]#ocrcheck StatusofOracleClusterRegistryisasfollows: Version:2 Totalspace(kbytes):208656 Usedspace(kbytes):6496 Availablespace(kbytes):202160 ID:844916878 Device/FileName:/dev/raw/raw4 Device/Fileintegritychecksucceeded Device/Filenotconfigured Clusterregistryintegritychecksucceeded
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