Date: Fri, 03 Sep 2010 10:14:20 -0700 From: Julian Elischer <julian@elischer.org> To: David Brodbeck <gull@gull.us> Cc: freebsd-fs@freebsd.org Subject: Re: Weird Linux - FreeBSD/ZFS NFSv4 interoperability problem Message-ID: <4C812CEC.8080309@elischer.org> In-Reply-To: <AANLkTi=DJA62jKgi5iyAcUjQ16VC07iFp%2BQUpXgbbhpD@mail.gmail.com> References: <AANLkTikYbz_fxOF=8LjyJ9Ck6otCGn7GeeqnB48bDbM6@mail.gmail.com> <AANLkTi=DJA62jKgi5iyAcUjQ16VC07iFp%2BQUpXgbbhpD@mail.gmail.com>
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On 9/3/10 9:08 AM, David Brodbeck wrote: > (Note: I originally posted this to freebsd-questions, and it was > suggested I take it here.) > > While doing some interoperability testing between Linux and FreeBSD, I > came up with this unusual issue. I could use some help figuring out > if this is a bug, and if so, where to file it. Here's the scenario: > > - FreeBSD 8.1-RELEASE server, sharing a ZFS filesystem via NFSv4. to help change and test things try using ZFS V28 with the virtualbox virtual machine that pjd announced yesterday. --Quote-- Here you can find VirtualBox Appliance (113MB) with FreeBSD 9-CURRENT and ZFSv28: http://people.freebsd.org/~pjd/misc/FreeBSD9_ZFSv28_0.1.tgz Untar it, import it (zfsv28.ovf) to VirtualBox and have fun. ---- In fact having a virtualbox 9.0 machine may help solve things anyhow as 9.0 has new nfs code too. > - Linux client (I've tested with RHEL 5.4 and Debian Lenny) mounting > said filesystem with NFSv4. > - A user on the Linux client does a Subversion checkout onto the > mounted filesystem. > > At the end of the checkout, access to the filesystem hangs. nfsd on > the FreeBSD server and rpciod on the Linux client seem to be in a > tight loop, and there's lots of network traffic between them. I can > reproduce this every time. > > The problem does not occur if the backing filesystem is UFS instead of > ZFS, if NFSv3 is used instead of NFSv4, or if the client is FreeBSD > instead of Linux. > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"
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