19.10.2009 22:32, Joe kirjoitti:
19.10.2009 20:49, Tim Legg kirjoitti:Hello again! I would like to shutdown mysql periodically to make backups of the databases. I would like to know what is the official Debian way of stopping and restarting MySQL.You might also consider a backup method which does not require MySQL to be stopped. Here's what I use, as I have some InnoDB tables: http://dev.mysql.com/doc/refman/5.1/en/mysqldump.html For some databases, daily: #!/bin/bash OF=/data/smb1/backups/mysql/important-$(date +%Y%m%d).sql.bz2 mysqldump -u backup -psecret --databases verses finance Calendar domestic music MasterDirectory | bzip2 > $OF or all of them, less often: #!/bin/bash OF=/data/smb1/backups/mysql/databases-$(date +%Y%m%d).sql.bz2 mysqldump -A -u backup -psecret | bzip2 > $OF All my databases are human-driven and the backup jobs run when nothing else will be happening, so I don't bother locking things, but you obviously can. This all happens at the database level, so there's no flushing to disc to worry about. If you use phpMyAdmin, that can also backup and restore databases online remotely using a browser, but I don't think it can be scripted locally.
I have this /etc/cron.daily/backup-mysql
---------------------------------------------------------------------------
#!/bin/sh
DATABASES=`mysql -h dbsrv --user=backup -psecret --skip-column-names
--batch -e "show databases" | egrep -v
information_schema|mysql|bacula|eroperhe`
BACKUPDIR=/usr/local/srv/dbbackup
echo [ Backing up databases from MySQL into $BACKUPDIR ]
for DB in $DATABASES; do
echo -n " Backing up" $DB..
mysqldump -h dbsrv --user=backup -psecret --opt $DB | bzip2
>$BACKUPDIR/$DB.sql.bz2
echo
done
echo [ Done ]
---------------------------------------------------------------------------
It backs up every database except those mentioned in egrep filter. Each
database into its own .sql file. The database is assumed to be in server
dbsrv, that can be left off if it is on localhost.
--
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