11g r2模拟OCR和voting disk不可用，完整恢复过程，以及一些注意事项(五)
------------------ ----------- ------------------------------
asm_diskgroups stringDATA
---这里使用默认参数文件启动时是空的，正常情况也不会显示保存OCR磁盘组名的
asm_diskstring string/dev/asm* ---这里使用默认参数文件启动时是空的，没指定扫描的路径
asm_power_limit integer1
asm_preferred_read_failure_groups string
所以为了保险起见，应该crsctl start crs -excl -nocrs 启动后，马上关闭ASM,不要立刻创建create diskgroup CRSVOTEDISK磁盘组，再使用参数启动ASM
SQL> startup pfile='/tmp/asm_pfile_130717.txt';
[grid@rac1 ~]$ cat /tmp/asm_pfile_130717.txt
+ASM1.__oracle_base='/u01/app/grid'#ORACLE_BASE set from in memory value
+ASM1.asm_diskgroups='DATA'#Manual Mount
+ASM2.asm_diskgroups='DATA'#Manual Mount
*.asm_diskstring='/dev/asm*'
*.asm_power_limit=1
*.diagnostic_dest='/u01/app/grid'
*.instance_type='asm'
*.large_pool_size=12M
*.remote_login_passwordfile='EXCLUSIVE'
这里再查下v$asm_disk就可以查询到磁盘，也可以顺利的创建磁盘组了。。。。。。。。。。，就是因为没立刻关闭ASM,使用修改好的参数文件，创建磁盘组时一直提示找不到磁盘，耽误了半天时间
下面开始再次恢复操作：
关闭crs后再启动
[root@rac1 dev]# crsctl stop crs
[root@rac1 dev]# crsctl start crs -excl -nocrs
[root@rac1 dev]# crsctl query css votedisk
Located 0 voting disk(s).
关闭rac1上的ASM，再使用参数文件启动ASM，创建CRS磁盘组，创建spfile
[grid@rac1 ~]$ sqlplus / as sysasm
SQL>shutdown immediate
ASM diskgroups dismounted
ASM instance shutdown
SQL> startup pfile='/tmp/asm_pfile_130717.txt';
ASM instance started
SQL> col path for a50
SQL> set linesize 130
SQL> select group_number, disk_number, mount_status, header_status, path from v$asm_disk;
GROUP_NUMBER DISK_NUMBER MOUNT_S HEADER_STATU PATH
--------------------- -----------------
------------ ----------------
------------------------------
0 0 CLOSED MEMBER /dev/asm-e_data
0 3 CLOSED CANDIDATE /dev/asm-b_crs
0 2 CLOSED CANDIDATE /dev/asm-c_crs
0 1 CLOSED CANDIDATE
/dev/asm-d_crs
SQL> create diskgroup CRSVOTEDISK normal redundancy disk '/dev/asm-b_crs','/dev/asm-c_crs','/dev/asm-d_crs'
2 attribute 'compatible.asm'='11.2.0.0.0', 'compatible.rdbms'='11.2.0.0.0';
Diskgroup created.
SQL> create spfile='+CRSVOTEDISK ' from pfile='/tmp/asm_pfile_130717.txt';
File created.
SQL> quit
恢复crs
[root@rac1 dev]# ocrconfig -restore /u01/app/11.2.0.3/grid/cdata/ad-cluster/backup00.ocr
恢复voting disk
[root@rac1 dev]# crsctl replace votedisk +CRSVOTEDISK
Successful addition of voting disk 1b00b0ec4e504f7fbf1f8d20fbbfaa4b.
Successful addition of voting disk 5a3b646433124fdcbf23c3c290de7fe3.
Successful addition of voting disk 5d27d80b96d74f09bf1756be6dee387f.
Successfully replaced voting disk group with +CRSVOTEDISK .
CRS-4266: Voting file(s) successfully replaced
检测
[root@rac1 ~]# ocrcheck
Status of Oracle Cluster Registry is as follows :
Version : 3
Total space (kbytes) : 262120
Used space (kbytes) : 3016
Available space (kbytes) : 259104
ID : 1236405787
Device/File Name : +CRSVOTEDISK
Device/File integrity check succeeded
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