Re: Homebuilt NAS Advice
On Sunday, August 09, 2020 12:22:16 PM Celejar wrote:
> On Sun, 09 Aug 2020 10:53:30 -0400
> Stefan Monnier <monnier@iro.umontreal.ca> wrote:
> > Another advantage is that it lets you access a host's files even when
> > that host is down (as long as the backup server is up, which is likely
> > to always be the case).
>
> Perhaps I'm misunderstanding something here, but why can't you do that
> with ordinary forward deltas, as long as all the necessary information
> is stored with the backups?
> Are you saying that classic forward-delta
> based systems don't store backup metadata (or whatever the right term
> is) on the backup server, but on the host?
I don't think he is saying that (but I could be wrong) (and I think that is
pretty clear from subsequent comments, but I wanted to perhaps make it a
little more clear), iiuc, he's just pointing out things like the overhead on
recovery when you have to take the base file and apply the forward deltas to
it.
> What happens, then, if the
> host's storage is unrecoverable?
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