This is reliable free open source software that backs up your GNU/Linux server or workstation to tape, CD-R, CD-RW, DVD-R[W], DVD+R[W], NFS or hard disk partition. In the event of data loss, you will be able to restore all of your data [or as much as you want], from bare metal if necessary. It also supports LVM 1/2, RAID, ext2, ext3, ext4, JFS, XFS, ReiserFS, VFAT, and can support additional filesystems easily. It supports software raid as well as most hardware raid controllers. It supports adjustments in disk geometry, including migration from non-RAID to RAID. Mondo runs on all major Linux distributions (RedHat, RHEL, SuSE, SLES, Mandriva, Debian, Gentoo). You may even use it to backup non-Linux partitions, such as NTFS.Read full blog post: "Top 6 Open Source Disk Cloning and Imaging Softwares"