[plug] back up over network

[Michael Holland]

On Fri, 2 Jul 2004, Matt Kemner wrote:

> dd if=/dev/hdd1 bs=2k | ssh ryan at tesla dd of=/path/backup.iso

or less redundantly:

  < /dev/hdd1  ssh ryan at tesla dd of=/path/backup.iso

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.

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.

> I prefer file level backups over device-level backups, so my preferred
> method is something like:
>
> rsync -avP -e ssh --delete --delete-after / ryan at tesla:/Backup/server/

How well does rsync cope with devices, pipes, hard-linked files etc?


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