Complete Hard-Disk & Root Filesystem Backup
There's been lots of grinding and clunking sounds coming from the hard-disk bays of my computer; I believe I have a dying disk. Before it fails and I lose all the hard-won data and configurations on my FreeBSD machine, I'm looking at getting a second SATA HD (or maybe an external USB or FireWire drive... do those work well under FreeBSD 6?) to use as the new primary-master disk. I'd like to do a raw copy of everything in the old disk's filesystems, onto the new one. Other than the MBR (which I can replace, of course), I want it to be as if I'd never replaced the disk at all; everything would be exactly the same. By looking through the FreeBSD Handbook, it looks like dump(8) would be the best command to do that, and I could just copy everything block-by-block from the old UFS2 filesystems onto the new disk (after creating the appropriate filesystems on the new disk, of course). But I wanted some other opinions first, from people who probably know more about this than I do. So what do you think? Is dump(8) a good way to make an exact copy of a filesystem? Or is there a better way? Or do I have the wrong idea altogether?
Another Mirror Idea
I had another idea of how to do this raw copy:
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