[plug] back up over network

[Cameron Patrick]

Michael Holland wrote:

> But isn't it a bit couragous to copy an active mounted filesytem?
> Is there any way to make it safe? e.g. sync the buffers to disk, and
> suspend all further syncs until the copy is complete.

XFS can do it with the xfs_freeze command.  Otherwise, I agree, it
sounds like a recipe for data loss.

> Oh wait. It says its an iso9660 filesystem, and they are read-only.
> Can you _really_ run a server with and ISO root filesystem???
> I find that very hard to believe, Mr Smart.

Yes, you can, if you try hard enough.

http://panopticon.csustan.edu/thood/readonly-root.html

> > rsync -avP -e ssh --delete --delete-after / ryan at tesla:/Backup/server/
> How well does rsync cope with devices, pipes, hard-linked files etc?

It copes just fine.

Cameron.