[Dovecot] Seen flag getting lost

Edgar Fuß ef at math.uni-bonn.de
Tue Oct 25 14:02:39 EEST 2011


We have two dovecot 1.2 instances sharing Maildirs on NFS. Indexes are local to the individual servers.
Occasionally (no idea how to trigger this), the Seen flag gets lost on some messages. I've verified that actually the ``S'' is missing from the filename.
I suspect something like server A caching the flags, server B setting Seen, and then server A flushing its cache for another change so overwriting what B changed.
Any ideas short of switching to 2.0?


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