It could also be a sparse file (eg, below /proc or /var/log/wtmp) that
isn't being excluded.

Craig

On Fri, May 1, 2020 at 10:14 AM Alexander Kobel <a-ko...@a-kobel.de> wrote:

> Hi Marcelo,
>
> On 5/1/20 4:15 PM, Marcelo Ricardo Leitner wrote:
> > Hi,
> >
> > Is it expected for rsync-bpc to be writting such large temporary files?
>
> If and only if there is such a big file to be backed up, AFAIK.
>
> > It seems they are as big as the full backup itself:
> > # ls -la */*/rsync*
> > -rw------- 1 112 122 302598406144 May  1 10:54
> HOST/180/rsyncTmp.4971.0.29
>
> Did you double-check whether there really is no file of that size on the
> HOST? (Try running `find $share -size +100000M` on it, or something like
> that.)
>
> Do you use the -x (or --one-file-system) option for rsync?
> I recently ran into a similar issue because I didn't. A chrooted process
> suddenly received its own copy of /proc under
> /var/lib/<processname>/proc after a system update, and proc has the
> 128T-huge kcore. Not a good idea trying to back up that directory.
> (Running dhcpcd on Arch by any chance?)
> It also got other mounts, like sysfs and some tmpfs, but those were
> mostly harmless.
>
> > That's a 300GB file, it filled the partition, and the full size for
> > this host is 337GB.
> >
> > Thanks,
> > Marcelo
>
>
> HTH,
> Alex
>
>
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