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Sebastian Pipping (sping@g.o) wrote on 3 May 2010 22:25:
>even after reading [1] I keep wondering what happens if a user syncs
>against our Gentoo e.V. rsync1 mirror while that one is syncing itself
>against the master server. With bad luck a user may end up with mixed
>files from before and after the sync (i.e. an inconsistent, possibly
>broken tree), or not?
Yes.
>How bad would shutting rsyncd down for the moment and bringing it back
>up after be?
VERY BAD :-)
>Is there a cleaner solution to this?
Mirrors should use --delay-updates --delete-after when they update.
It's not perfect but good enough.
It seems the portage tree is very small (we only mirror distfiles so
I'm not sure). If so, there's a truly atomic way to update using
fancy rsync options. The atomic-rsync perl script, in the support
directory of the rsync source, implements it.
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