IronLinux.org

Making a backup disk is usually an obvious task, but making the disk ready to boot so that it can immediately be used as a replacement can be tricky. Here I give a recipe for making a bootable disk that can be adapted to whatever block device you may be using as a backup disk. This could be an internal or external hard disk, a USB key, etc.

I discuss some of the tricks that will avoid creation of a backup system disk that only gets as far as displaying

        GRUB

before it freezes. A number of other pitfalls are mentioned.

Continue reading this article at Debian-Administration.org