Date: Fri, 30 Jul 2010 11:41:29 -0500 From: "Sam Fourman Jr." <sfourman@gmail.com> To: krad <kraduk@googlemail.com> Cc: freebsd-hackers@freebsd.org, FreeBSD Questions <freebsd-questions@freebsd.org> Subject: Re: possible NFS lockups Message-ID: <AANLkTi=POmkbAv8du%2BekE-aZhqGQfyifyYaOJ_NPXvqj@mail.gmail.com> In-Reply-To: <AANLkTinUVKByfTX%2Bf9DOQ97jh43VPVSug_=BDpJ9PB0z@mail.gmail.com> References: <AANLkTinUVKByfTX%2Bf9DOQ97jh43VPVSug_=BDpJ9PB0z@mail.gmail.com>
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On Tue, Jul 27, 2010 at 10:29 AM, krad <kraduk@googlemail.com> wrote: > I have a production mail system with an nfs backend. Every now and again we > see the nfs die on a particular head end. However it doesn't die across all > the nodes. This suggests to me there isnt an issue with the filer itself and > the stats from the filer concur with that. > > The symptoms are lines like this appearing in dmesg > > nfs server 10.44.17.138:/vol/vol1/mail: not responding > nfs server 10.44.17.138:/vol/vol1/mail: is alive again > > trussing df it seems to hang on getfsstat, this is presumably when it tries > the nfs mounts > I also have this problem, where nfs locks up on a FreeBSD 9 server and a FreeBSD RELENG_8 client -- Sam Fourman Jr. Fourman Networks http://www.fourmannetworks.com
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