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Oracle简单数据迁移脚本

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Release: 2016-06-07 17:18:26
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将所有节点的ip地址设置为有规律的静态地址,然后修改每个节点的/etc/hosts文件,如下172.16.255.100 node0这样可以保证节点间以

#!/bin/bash
#    function:
# backup user_data
#    history:
# copyright @ 2011 zhaohaihua
export extfile=`date '+%Y%m%d%H%M'`
export bak_dir=/home/Oracle/data_bak
su - oracle -c "exp user01/user01 file=$bak_dir/user01.$extfile.dmp compress=y full=y log=n"
cd $bak_dir
tar -zcvf user01.$extfile.dmp.tar.gz user01.$extfile.dmp
scp $bak_dir/user01.$extfile.dmp.*  root@192.168.0.23:/home/oracle/bak/
rm -rf /home/oracle/data_bak/user01.*
 
 
#  00 00 * * * /bin/bash /home/bak.sh
 
ssh无密码访问
1.首先产生密钥
#cd /root/.ssh/
#ssh-keygen -t dsa
然后一直按回车,,于是便在.ssh目录下得到了
id_sda? id_sda.pub两个文件
2. #cp id_sda.pub authorized_keys
3.然后将.ssh文件夹拷贝覆盖各个节点间.ssh目录
#scp -r /root/.ssh node1
4.preacquisition
将所有节点的ip地址设置为有规律的静态地址,然后修改每个节点的/etc/hosts文件,如下
172.16.255.100 node0
这样可以保证节点间以简称node0来进行访问,而不是通过冗长的ip地址。

linux

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