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- #! /bin/bash
- TIMESTAMP=$(date +"%F")
- BACKUP_TOP_DIR="/mnt/mysql_backup"
- BACKUP_DIR="$BACKUP_TOP_DIR/$TIMESTAMP"
- MYSQL_USER="root"
- MYSQL=/usr/bin/mysql
- MYSQL_PASSWORD="*********"
- MYSQLDUMP=/usr/bin/mysqldump
- IONICE="ionice -c 2 -n 6"
- NICE="nice -n 10"
- mkdir -p "$BACKUP_DIR"
- # clean old backups
- find "$BACKUP_TOP_DIR" -maxdepth 1 -type d -mtime +14 -exec rm -rf {} +
- databases=`$MYSQL --user=$MYSQL_USER -p$MYSQL_PASSWORD -e "SHOW DATABASES;" | grep -Ev "(Database|information_schema|performance_schema)"`
- echo "Starting $0 on $TIMESTAMP"
- for db in $databases; do
- echo "* backing up $db"
- $IONICE $NICE $MYSQLDUMP --force --opt --user=$MYSQL_USER -p$MYSQL_PASSWORD --databases $db | pigz -9 > "$BACKUP_DIR/$db.gz"
- done
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