使用mysqlbinlog远程备份binlog
2022-03-04 20:17 abce 阅读(201) 评论(0) 编辑 收藏 举报1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 | #!/bin/sh MBL= /usr/local/mysql/bin/mysqlbinlog MYSQLHOST=192.168.56.1 MYSQLPORT=3306 MYSQLUSER=replication_user MYSQLPASS=replication_pass BACKUPDIR= /media/binlogs/server2/ # time to wait before reconnecting after failure RESPAWN=10 cd $BACKUPDIR echo "Backup dir: $BACKUPDIR " while : do LASTFILE=` ls -1 $BACKUPDIR| grep - v orig| tail -n 1` TIMESTAMP=` date +%s` FILESIZE=$(stat -c%s "$LASTFILE" ) if [ $FILESIZE -gt 0 ]; then echo "Backing up last binlog" mv $LASTFILE $LASTFILE.orig$TIMESTAMP fi touch $LASTFILE echo "Starting live binlog backup" $MBL --raw -- read -from-remote-server --stop-never --host $MYSQLHOST --port $MYSQLPORT -u $MYSQLUSER -p$MYSQLPASS $LASTFILE echo "mysqlbinlog exited with $? trying to reconnect in $RESPAWN seconds." sleep $RESPAWN done nohup livebinlog.sh 2>&1 > /var/log/livebinlog/server2 .log & |
更复杂的脚本可以参考:
https://github.com/ardabeyazoglu/mysql-binlog-backup/blob/master/syncbinlog.sh
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