mylvmbackup is a Perl script for quickly creating backups of MySQL server's data files. To perform a backup, mylvmbackup obtains a read lock on all tables and flushes all server caches to disk, makes an LVM snapshot of the volume containing the MySQL data directory, and unlocks the tables again. The
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snapshot process takes only a small amount of time. When it is done, the server can continue normal operations, while the actual file backup proceeds. [Less]