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mysql 复原与备份

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Release: 2016-06-07 16:24:51
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mysql 还原与备份 mysql还原与备份: 1、备份(我采用的是全备份,另外还有增量备份,没去仔细研究) #!/bin/bash log=sgpoker01_`date +%y%m%d%H%M`.log str=sgpoker01_`date +%y%m%d%H%M`.tar.gz pwd="" innobackupex --defaults-file=/etc/my.cnf.xtrabackup

mysql 还原与备份
mysql还原与备份:
1、备份(我采用的是全备份,另外还有增量备份,没去仔细研究)
#!/bin/bash
log=sgpoker01_`date +%y%m%d%H%M`.log
str=sgpoker01_`date +%y%m%d%H%M`.tar.gz
pwd=""
innobackupex --defaults-file=/etc/my.cnf.xtrabackup --databases=$1 --stream=tar  --no-lock /data/db_back/ 2>/data/db_back/$log | gzip 1>/data/db_back/$str

2、还原
---如果存在先删除库
---停止msql
---mkdir dd
---tar -izxvf ****.tar.gz -C dd
---innobackupex --defaults-file=/etc/my.cnf.xtrabackup --apply-log dd/
(这一步,dd目录下会生成ib_logfile,另外一定要指定配置文件,与备份采用的配置文件保持一致)
---将dd下要还原的库文件,ib_logfile0,ib_logfile1,ib_data1拷贝到mysql的datadir下面,我的是在/data/mysql
---chown -R mysql:mysql /data/mysql/
---启动msyql
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