OCR记录节点成员的配置信息,如ASM、instance、listener、VIP等CRS资源的配置信息
检查OCR的状态
[root@node3 ~]# ocrcheck
Status of Oracle Cluster Registry is as follows :
Version : 2
Total space (kbytes) : 208656
Used space (kbytes) : 6496
Available space (kbytes) : 202160
ID : 844916878
Device/File Name : /dev/raw/raw2
Device/File integrity check succeeded
Device/File not configured
Cluster registry integrity check succeeded
[root@node3 ~]# cat /etc/oracle/ocr.loc
#Device/file /dev/raw/raw4 being deleted
ocrconfig_loc=/dev/raw/raw2
local_only=false
增加一个镜像
[root@node3 ~]# ocrconfig -replace ocrmirror /dev/raw/raw4
[root@node3 ~]# ocrcheck
Status of Oracle Cluster Registry is as follows :
Version : 2
Total space (kbytes) : 208656
Used space (kbytes) : 6496
Available space (kbytes) : 202160
ID : 844916878
Device/File Name : /dev/raw/raw2
Device/File integrity check succeeded
Device/File Name : /dev/raw/raw4
Device/File integrity check succeeded
Cluster registry integrity check succeeded
[root@node3 ~]# cat /etc/oracle/ocr.loc
#Device/file getting replaced by device /dev/raw/raw4
ocrconfig_loc=/dev/raw/raw2
ocrmirrorconfig_loc=/dev/raw/raw4
local_only=false
[root@node3 ~]# ocrconfig -replace ocrmirror /dev/raw/raw6
[root@node3 ~]# ocrcheck
Status of Oracle Cluster Registry is as follows :
Version : 2
Total space (kbytes) : 208656
Used space (kbytes) : 6496
Available space (kbytes) : 202160
ID : 844916878
Device/File Name : /dev/raw/raw2
Device/File integrity check succeeded
Device/File Name : /dev/raw/raw6
Device/File integrity check succeeded
Cluster registry integrity check succeeded
[root@node3 ~]# cat /etc/oracle/ocr.loc
#Device/file /dev/raw/raw4 getting replaced by device /dev/raw/raw6
ocrconfig_loc=/dev/raw/raw2
ocrmirrorconfig_loc=/dev/raw/raw6
local_only=false
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OCR的镜像文件
[root@node3 ~]# ocrconfig -replace ocrmirror ---不带文件路径名
[root@node3 ~]# ocrcheck
Status of Oracle Cluster Registry is as follows :
Version : 2
Total space (kbytes) : 208656
Used space (kbytes) : 6496
Available space (kbytes) : 202160
ID : 844916878
Device/File Name : /dev/raw/raw2
Device/File integrity check succeeded
Device/File not configured
Cluster registry integrity check succeeded
[root@node3 ~]# cat /etc/oracle/ocr.loc
#Device/file /dev/raw/raw6 being deleted
ocrconfig_loc=/dev/raw/raw2
local_only=false
注意如果我们删除了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
Status of Oracle Cluster Registry is as follows :
Version : 2
Total space (kbytes) : 208656
Used space (kbytes) : 6496
Available space (kbytes) : 202160
ID : 844916878
Device/File Name : /dev/raw/raw2
Device/File integrity check succeeded
Device/File Name : /dev/raw/raw4
Device/File integrity check succeeded
Cluster registry integrity check succeeded
[root@node3 ~]# ocrconfig -replace ocr
[root@node3 ~]# ocrcheck
Status of Oracle Cluster Registry is as follows :
Version : 2
Total space (kbytes) : 208656
Used space (kbytes) : 6496
Available space (kbytes) : 202160
ID : 844916878
Device/File Name : /dev/raw/raw4
Device/File integrity check succeeded
Device/File not configured
Cluster registry integrity check succeeded