迁移11g Rac中OCR和VOTEDISK

环境：OEL+oracle rac 11.2.0.3

迁移描述：将ocr和votedisk从+DATE上迁移到+OCR_VOTE上；

操作如下：

[root@ora2 ~]$ /u01/app/11.2.0/grid/bin/ocrcheck

Status of Oracle Cluster Registry is as follows :

         Version                  :          3

         Total space (kbytes)     :     1469612

         Used space (kbytes)      :       3784

         Available space (kbytes) :     1465828

         ID                       :  1820175369

         Device/File Name         :      +DATA

                                    Device/File integrity check succeeded

                                    Device/File not configured

                                    Device/File not configured

         Cluster registry integrity check succeeded

         Logical corruption check bypassed due to non-privileged user

这里我们看到ocr放在+DATA中了

然后Add a new OCR device/file：

[root @ora2 ~]/u01/app/11.2.0/grid/bin/ocrconfig -add +OCR_VOTE

[root @ora2 ~]$ /u01/app/11.2.0/grid/bin/ocrcheck

Status of Oracle Cluster Registry is as follows :

         Version                  :          3

         Total space (kbytes)     :     1469612

         Used space (kbytes)      :       3784

         Available space (kbytes) :     1465828

         ID                       :  1820175369

                                    Device/File integrity check succeeded

                                    +OCR_VOTE

                                    Device/File integrity check succeeded

                                    Device/File not configured

         Cluster registry integrity check succeeded

         Logical corruption check bypassed due to non-privileged user

（这时候ocr并不存在于+OCR_VOTE中）

迁移 ocr：

[root @ora2 ~]$/u01/app/11.2.0/grid/bin/ocrconfig -replace +DATA -replacement +OCR_VOTE

然后迁移votedisk：

[root @ora2 ~]$su - grid

[grid @ora2 ~]$crsctl replace votedisk +OCR_VOTE

查询一下votedisk的存放目录：

[grid @ora2 ~]$crsctl query css votedisk;

查询一下资源状态:

[grid @ora2 ~]$crsctl status resource -t

然后登录asm查看asmdisk的信息：

sqlplus / as sysasm
SQL> select group_number,name,state,type from V$asm_diskgroup;
SQL> select group_number,name,path from v$asm_disk;

使用show parameter spfile查看路径，如果存放在+DATA中，可以重建spfile：

如下操作：

SQL>create pfile='/u01/11.2.0/grid/dbs/asmpfile.ora' from spfile;
SQL>create spfile='+OCR_VOTE' from pfile='/u01/11.2.0/grid/dbs/asmpfile.ora';

然后使用root用户重启crs即可

[root @ora2 ~]$/u01/app/11.2.0/grid/bin/crsctl stop crs

[root @ora2 ~]$/u01/app/11.2.0/grid/bin/crsctl start crs

然后再使用grid用户

su - grid
SQL>alter diskgroup OCR_VOTE mount;

切换root用户

/u01/app/11.2.0/grid/bin/ocrconfig -delete +DATA

删除磁盘组+DATA：

SQL>alter diskgroup DATA dismount;
SQL>drop diskgroup DATA including contents

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作者:    Seven

原文链接:http://blog.csdn.net/sunjiapeng/article/details/9791425

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