Need opensource mysql backup tools for fast backup

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http://www.linuxquestions.org – Hello friends, I am using mysql server and my question is regarding to mysql backup. my server has arround 250GB data in database for the backup now i am using mysqldump script with gzip compression utility for backup, But restoration time its take 3 days approximate. i want to improve my mysql backup & restore process speed. Is there any opensource mysql backup tools which can faster backup and restore the database? if exist then please share with me. i am using this mysqldump scripts #!/bin/sh export PATH="$PATH:/usr/bin:/usr/local/bin" dumpuser="mysql" dumphos (HowTos)