Date: Thu, 5 Mar 2009 10:43:46 -0500 (EST) From: Weldon S Godfrey 3 <weldon@excelsus.com> To: Mark Linimon <linimon@lonesome.com> Cc: freebsd-fs@FreeBSD.org Subject: Re: kern/132068: [zfs] page fault when using ZFS over NFS on 7.1-RELEASE/amd64 Message-ID: <20090305103355.B17525@emmett.excelsus.com> In-Reply-To: <200903051530.n25FU87g023142@freefall.freebsd.org> References: <200903051530.n25FU87g023142@freefall.freebsd.org>
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If memory serves me right, sometime around 3:30pm, Mark Linimon told me: > The following reply was made to PR kern/132068; it has been noted by GNATS. > > From: Mark Linimon <linimon@lonesome.com> > To: bug-followup@FreeBSD.org > Cc: > Subject: Re: kern/132068: [zfs] page fault when using ZFS over NFS on > 7.1-RELEASE/amd64 > Date: Thu, 5 Mar 2009 09:29:39 -0600 > > ----- Forwarded message from Edward Fisk <7ogcg7g02@sneakemail.com> ----- > > To: freebsd-bugs@FreeBSD.org > From: Edward Fisk <7ogcg7g02@sneakemail.com> > Subject: Re: kern/132068: [zfs] page fault when using ZFS over NFS on > 7.1-RELEASE/amd64 > > kern/129174 looks like a similar problem, altohugh there's not much > useful information there > > ----- End forwarded message ----- > _______________________________________________ Are you using v3 NFS or v2? Switching to v2 has made things MUCH more stable for me, however, I still loose stability with ZIL enabled (even if prefetch is disabled)(and ZIL disabled is NOT desirable as I know the potential client side corruption with that, but so far I haven't run into that). I currently have ZIL and prefetch disabled. I currently limit ARC to 2GB as well and set kmem to 4GB (I currently am using FreeBSD 8) I am up to about 1.5 weeks without a panic now. The system does a constant 80-120Mb/s in read and 30Mb/s write/s during the day and has 9 NFS clients. Weldon
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