oracle rac 添加和删除voting disks参考:http://www.linuxidc.com/linux/2013-03/80938.htm oracle rac 备份和恢复voting disks
oracle rac 添加和删除voting disks参考:
oracle rac 备份和恢复voting disks
voting disks 文件不需要每天备份,,一般在下面这几种情况下需要备份:
①:clusterware安装之后。
②:集群中增加和删除节点之后。
③:执行voting disk的add或delete操作之后。
备份voting disk示例:
环境:
[oracle@node2 ~]$ uname -a
linux node2 2.6.18-164.el5 #1 smp tue aug 18 15:51:54 edt 2009 i686 i686 i386 gnu/linux
sql> select * from v$version;
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oracle database 10g enterprise edition release 10.2.0.1.0 - prod
pl/sql release 10.2.0.1.0 - production
core 10.2.0.1.0 production
tns for linux: version 10.2.0.1.0 - production
nlsrtl version 10.2.0.1.0 - production
1.查看当前的voting disks
[oracle@node1 ~]$ crsctl query css votedisk
0. 0 /dev/raw/raw2
located 1 votedisk(s).
2.备份voting disk(用root)
[root@node1 ~]# dd if=/dev/raw/raw2 of=/home/oracle/backup/votingdisk.bak
208864+0 records in
208864+0 records out
106938368 bytes (107 mb) copied, 150.378 seconds, 711 kb/s
3.检查备份
[root@node1 backup]# ll
total 104540
-rw-r--r-- 1 root root 106938368 mar 13 21:29 votingdisk.bak
如果voting disk的内容没有改变,则可用此备份文件恢复。