Date: Wed, 23 Apr 2008 22:40:23 +0200 From: Ben Stuyts <ben@altesco.nl> To: Andrew Gallatin <gallatin@cs.duke.edu> Cc: freebsd-current@freebsd.org Subject: Re: ZFS file caching question Message-ID: <A1E9D616-33A4-4D6B-9135-A93B81120706@altesco.nl> In-Reply-To: <18447.19594.892539.640373@grasshopper.cs.duke.edu> References: <18447.17658.759349.720175@grasshopper.cs.duke.edu> <480F4972.20609@FreeBSD.org> <18447.19594.892539.640373@grasshopper.cs.duke.edu>
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On 23 apr 2008, at 16:49, Andrew Gallatin wrote: >>> Hmm.. Could this be the cause of the problems with ZFS and mmap'ed >>> files? >> >> What problems do you mean? There were coherency problems but I think >> they were fixed. > > The last I saw about this on -current was: > http://lists.freebsd.org/pipermail/freebsd-current/2008-February/083396.html > > This seemed to terminate with people disabling mmap in the > applications, not with a fix to ZFS. Maybe I missed a commit.. I recently had to disable mmap in dovecot on zfs, it created corrupted index files. After disabling mmap, it worked fine. 7-Stable from three weeks ago, have not retested recently. (It's a production server now.) Also some info here: <http://www.dovecot.org/list/dovecot/2008-April/029880.html > Ben
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