背景：

11g R2 rac 的orc

,voting disk asm存储磁盘全部损坏。通过调查得知 损坏的 OCR磁盘对应为 VOL1 ，

voting disk磁盘对应于 VOL2

。 故，添加asm新存储(过程省略)，设置为旧配置名 VOL1，VOL2 。

/usr/sbin/oracleasm createdisk VOL1 /dev/sdb1

/usr/sbin/oracleasm createdisk VOL2 /dev/sdc1

[root@node1 bin]#  /usr/sbin/oracleasm

listdisks  -- 查看 listdisks 。

VOL1

VOL2

VOL3  -- 说明此为没有损坏的asm

VOL4  -- 说明此为没有损坏的asm

存储配置完成后，正式恢复OCR,VOTING DISK 操作流程：

1. 以-excl

-nocrs 方式启动cluster，这将可以启动ASM实例 但不启动CRS

# crsctl start crs -excl -nocrs

2.以

sqlplus / as sysasm 登录asm，重建原ocr和votedisk所在diskgroup,注意compatible.asm必须是11.2 。

## 注意

DISKGROUP 名为旧ORC,VOTING DISK磁盘组名。

SQL> CREATE DISKGROUP griddg external

REDUNDANCY

DISK 'ORCL:vol1','ORCL:vol2' ATTRIBUTE 'compatible.asm'='11.2.0.0.0';

Diskgroup created.

3.从ocr 自动 backup 中恢复ocr并做ocrcheck检验:

[root@node1 bin]# ./ocrconfig -restore

/u01/app/11.2.0/grid/cdata/scan-cluster/backup02.ocr

[root@node1 bin]# ./ocrcheck

Status of Oracle Cluster Registry is as follows

:

Version

:          3

Total space (kbytes)     :

262120

Used space (kbytes)      :

3068

Available space (kbytes) :     259052

ID

: 1970085021

Device/File Name         :

+GRIDDG

Device/File integrity check succeeded

Device/File not configured

Device/File not configured

Device/File not configured

Device/File not configured

Cluster registry integrity check succeeded

Logical corruption check succeeded

4.准备恢复votedisk

[root@node1 bin]# ./crsctl replace votedisk

+GRIDDG

Successful addition of voting disk aede3b23ab684fc8bfc52d1bf5a45ea6.

Successful deletion of voting disk

138dbfa62e2d4feabf73d9ec4cb70c68.

Successfully replaced voting disk group with

+GRIDDG.

CRS-4266: Voting file(s) successfully replaced

恢复完成。

如果第四步中可能会遇到下面的错误:

[grid@vrh1 ~]$ crsctl replace votedisk

+SYSTEMDG

CRS-4602: Failed 27 to add voting file

2e4e0fe285924f86bf5473d00dcc0388.

CRS-4602: Failed 27 to add voting file

4fa54bb0cc5c4fafbf1a9be5479bf389.

CRS-4602: Failed 27 to add voting file

a109ead9ea4e4f28bfe233188623616a.

CRS-4602: Failed 27 to add voting file

042c9fbd71b54f5abfcd3ab3408f3cf3.

CRS-4602: Failed 27 to add voting file

7b5a8cd24f954fafbf835ad78615763f.

Failed to replace voting disk group with

+SYSTEMDG.

CRS-4000: Command Replace failed, or completed

with errors.

需要重新配置一下ASM的参数，并重启ASM:

SQL> alter system set

asm_diskstring=‘/dev/asm*’;

System altered.

SQL> create spfile from memory;

File created.

SQL>  startup force mount;

ORA-32004: obsolete or deprecated parameter(s)

specified for ASM instance

ASM instance started

Total System Global Area  283930624 bytes

Fixed Size

2227664 bytes

Variable Size

256537136 bytes

ASM Cache

25165824 bytes

ASM diskgroups mounted

SQL> show parameter spfile

NAME

TYPE

VALUE

—————————————————— ————— ———————————————

spfile

string

/g01/11.2.0/grid/dbs/spfi

le+ASM1.ora

[grid@vrh1 trace]$  crsctl replace votedisk

+SYSTEMDG

CRS-4256: Updating the profile

Successful addition of voting disk

85edc0e82d274f78bfc58cdc73b8c68a.

Successful addition of voting disk

201ffffc8ba44faabfe2efec2aa75840.

Successful addition of voting disk

6f2a25c589964faabf6980f7c5f621ce.

Successful addition of voting disk

93eb315648454f25bf3717df1a2c73d5.

Successful addition of voting disk

3737240678964f88bfbfbd31d8b3829f.

Successfully replaced voting disk group with

+SYSTEMDG.

CRS-4256: Updating the profile

CRS-4266: Voting file(s) successfully replaced