Dual-Machine (multi-computer) automatic mutual backup scheme in Linux environment

Problem: Our company has two Linux servers, one hard drive per server. So the question of backup is particularly important. We have a MySQL database installed. Of course, but also to solve the problem of MySQL backup.

Purpose: Host machine (eventually all backups are left on its back) ship machine (save host machine Backup)

Method: Package The files to be backed up with a shell script. Then through the FTP operation download, upload complete solution.

The two machines root through crontab to allow the scripts to be timed on their respective machines.

Recommended host 3 O ' Day in the morning

Recommended ship 6 O ' Day in the morning

Note the point:

The best time for two server systems is not to exceed 1 hours.

This script is backed up 6 weeks a week. Of course you can also modify the monthly or daily backup.

Of course, you can also modify it into an incremental backup script.

Specific script:

The following is the host machine script

#//////////////host Machine Script///////////////

#! /bin/sh

Host= "ABC.com"

User= "Backup_use" #ship机器backup_use用户

Password= "Backup_use" #ship机器对应用户密码

Backupdir= "/home/backup_use/ship" #host机器backup_use用户目录

Backupdir2= "/home/backup_use/host" #host机器backup_use用户目录

mysqlpass= "abc" #ship machine mysql root user password

Path=/usr/local/bin:/usr/bin:/bin:/usr/local/nusphere/mysql/bin

dow= ' Date +%a '

dm= ' Date +%y%b%d '

file1=ship-virtual-$DM. tar.gz

file2=ship-mysqldata-$DM. tar.gz

file3=ship-szeasy-$DM. tar.gz

file4=ship-other-$DM. tar.gz

#

fil1= $BACKUPDIR 2/host-main-$DM. tar.gz

fil2= $BACKUPDIR 2/host-mysqldata-$DM. tar.gz

fil3= $BACKUPDIR 2/host-other-$DM. tar.gz

#

Directorie1= "/WWW/HOME/JJD" # directory to back up 1

Directorie2= "/etc/var/named/usr/local/nusphere/apache/conf" # directory to back up 2

#

if [$DOW = "Sat"]; Then # Six full backups per week

TAR-ZCPF $FIL 1 $DIRECTORIE 1

TAR-ZCPF $FIL 3 $DIRECTORIE 2

mysqldump--all-databases-q-uroot-p$mysqlpass |gzip > $FIL 2

Ftp-i-N < $BACKUPDIR/$COMPUTER-mysqldata-$DM. tar.gz

Fi

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Jp