rsync woes

[Corinna Vinschen <vinschen@redhat.com>]

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Hi overseers,


we're running a couple of local mirrors @ home.  One of them is a mirror
for the Cygwin distro.

Rsync is usually started via cron at 8 or 9 pm UTC, depending on DST,
so it's running over night our time.

This worked fine for many years, but for some weeks now, rsync'ing the
cygwin distro packages fails every single day.

The strange thing is, this seems to depend on the time of day.  If I
start rsync manually at other times of the day, say, in the morning
9am UTC, it runs fine.  However, running it manually later in the day
it's growing more likely to fail.

The rsync error message looks like this:

$ rsync -avhz --stats --progress --filter=dir-merge_/.rsync_filter --delete-delay
--delete-excluded -K cygwin.com::cygwin-ftp .
[...]
inflate returned -3 (227 bytes)
rsync error: error in rsync protocol data stream (code 12) at token.c(557)
[receiver=3.1.1]
rsync: connection unexpectedly closed (45130 bytes received so far) [generator]
rsync error: error in rsync protocol data stream (code 12) at io.c(235)
[generator=3.1.1]


Do you have an idea what the problem could be here and how to avoid it?


Thanks,
Corinna

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