[dundee] Image hard drive to file

[Andrew Clayton]

On Mon, 25 Feb 2008 00:38:17 +0000 (GMT), Lee Hughes wrote:

> just because unix lets you do something like this, doesn't mean it's
> either correct or sensible. if you want to do online backup like this
> PROPERLY, look at lvm2, which can do hot backup using snapshot files..
> 
> okay,,, dd while mounted is bad, and I'd rather you not post it here
> in case people on this list actually take that as good advice, which
> it isn't.
> 
> unmount, or use a logical volume manager...end of story.

Ideally yes. If not then it should still generally be OK. I guess it
depends on much guarantee of consistency your after.