lvm-bkp.pl

#!/usr/bin/perl

use DBI;

# Connect to the local database
$dbh = DBI->connect('DBI:mysql:host=localhost;database=mysql', 'root', 'password') || die;

# Flush and lock tables to prepare for LVM snapshot
$dbh->do('FLUSH TABLES WITH READ LOCK;');

# Create LVM snapshot volume
system('lvcreate -L8G -s -n mysqlbackup /dev/vg0/mysql');

# Release table lock
$dbh->do('UNLOCK TABLES;');

# Disconnect from database
$dbh->disconnect();