Home Database Mysql Tutorial Oracle RAC 备份和恢复Voting Disks

Oracle RAC 备份和恢复Voting Disks

Jun 07, 2016 pm 04:46 PM
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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;

BANNER
----------------------------------------------------------------
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。

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