Date: Sun, 24 Feb 2008 09:24:44 -0500 From: Brian Biskeborn <bbiskebo@Princeton.EDU> To: Peter Schuller <peter.schuller@infidyne.com> Cc: freebsd-current@freebsd.org, Richard Todd <rmtodd@ichotolot.servalan.com> Subject: Re: ZFS: data sometimes not getting correctly flushed to disk (possible mmap/write issue)? Message-ID: <47C17E2C.5040606@princeton.edu> In-Reply-To: <200802241252.52176.peter.schuller@infidyne.com> References: <20080215231507.EAB7D641@mx2.synetsystems.com> <200802241252.52176.peter.schuller@infidyne.com>
next in thread | previous in thread | raw e-mail | index | archive | help
This has been happening to me for a week or so (same setup - Dovecot on ZFS). I'll disable mmap and see whether it persists. Brian Peter Schuller wrote: >> 3) ktracing gen2.py shows that the py-mutagen library seems to do both >> write()s and read/write mmap()s to the file to update the file. > > FWIW, ever since a dovecot installation of mine was moved onto ZFS one gets > sporadic 'internel errors' from dovecot. Dovecot logs that index files are > corrupt, and marked broken. Recovery involves re-selecting the IMAP mailbox. > > In response to your post, I recently turned OFF use of mmap in dovecot > (mmap_disable = yes), and the problem seems to have gone away immediately. > > If it should show up again in spite of mmap being disabled I will post a > follow-up, but it's been long enough that I believe the problem to be gone. >
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?47C17E2C.5040606>