On Mon Nov 14 2016 at 16:41:37 UTC, Michael Vilain <
mev9...@yahoo.com> wrote:
> In article <
slrno2ilqh....@friedetzky.org>,
> Sounds like you're talking about a "backup mode" on updates during
> rsync, akin to Oracle setting aside all transactions while backups are
> ongoing, then applying updates after the backups are complete.
>
> AFAIK, rsync won't do that. It takes a snapshot of the files on the
> remote system and the local system and does the syncing based on those
> snapshots. Of course, you're welcome to roll you own version of rsync
> but why bother.
>
> You could futz with the mount points, essentially moving the location of
> where the files are stored during backups to an alternative location.
> Updates would occur there while the sync happens, then you'd have to
> apply the updated files in the backup directory to the parent directory
> to get everything in sync.
>
> Another method is to double mirror (e.g. there are three copies of the
> filesystem, all syncronized) the volume where the backups are happening,
> break a mirror and sync that, then reconnect the mirror when rsync is
> done. Let the mirror "re-silver" to sync everything up again.
>
> I don't see how to do this with just rsync.
Thanks. I was afraid it wasn't going to be simple. Maybe I'll just chuck
the lot into Dropbox and be done with it...