-------- Original Message -------- Subject: Re: Dovecot 2.2.16: disappearing messages, mismatched summaries, duplicated messages, excessive full re-downloads From: Edgar Pettijohn III <ed...@pettijohn-web.com> To: David Gessel <ges...@blackrosetech.com> Date: Sat Apr 18 2015 17:20:30 GMT+0300 (Arabic Standard Time)
> > On Apr 18, 2015, at 9:09 AM, David Gessel wrote: > >> Edgar, thanks for the help! >> >> -------- Original Message -------- >> Subject: Re: Dovecot 2.2.16: disappearing messages, mismatched summaries, >> duplicated messages, excessive full re-downloads >> From: Edgar Pettijohn III <ed...@pettijohn-web.com> >> To: David Gessel <ges...@blackrosetech.com> >> Date: Sat Apr 18 2015 16:30:07 GMT+0300 (Arabic Standard Time) >> >>> >>> On Apr 18, 2015, at 8:00 AM, David Gessel wrote: >>> >>>> >>>> >>>> -------- Original Message -------- >>>> Subject: Re: Dovecot 2.2.16: disappearing messages, mismatched summaries, >>>> duplicated messages, excessive full re-downloads >>>> From: Timo Sirainen <t...@iki.fi> >>>> To: David Gessel <ges...@blackrosetech.com> >>>> Date: Sat Apr 18 2015 15:48:28 GMT+0300 (Arabic Standard Time) >>>> >>>>> No. My best guess is that (your) ZFS+FreeBSD is simply not behaving the >>>>> way Dovecot wants filesystems to behave (readdir() sometimes skipping >>>>> over files). I don't have any other suggestion than trying a different >>>>> filesystem or OS. I haven't heard ZFS having these problems before though. >>>> >>>> >>>> Or migrating to sdbox. Absent any further suggestions, that will be my >>>> next step. My commitment to Maildir is far lower than my commitment to >>>> FreeBSD/ZFS. It is just a historical preference coming from a decade+ of >>>> courier IMAP. >>> >>> >>> >>> What is the output for: >>> >>> # zpool status >>> >>> perhaps you have a hardware issue? >>> >> >> All good - quite reliable hardware: IBM x3655 dual AMD quad core, 40GB of >> ECC RAM, 8x IBM 2.5" SAS on battery-backed ServeRAID, RAID 6 and (somewhat >> pointlessly) ZFS2. All IBM server diagnostics check, full RAM check run >> without errors, no ECC corrections reported, no uncorrectable errors >> reported. >> >> >> >> # zpool status >> pool: bootpool >> state: ONLINE >> scan: none requested >> config: >> >> NAME STATE READ WRITE CKSUM >> bootpool ONLINE 0 0 0 >> aacd0s1a ONLINE 0 0 0 >> >> errors: No known data errors >> >> pool: zroot >> state: ONLINE >> scan: none requested >> config: >> >> NAME STATE READ WRITE CKSUM >> zroot ONLINE 0 0 0 >> aacd0s1d.eli ONLINE 0 0 0 >> >> errors: No known data errors > > > are you using compression? If so which. > Yes, lz4.