Date: Fri, 28 Feb 2020 08:42:52 -0800 From: Luoqi Chen <luoqi.chen@gmail.com> To: Martin Simmons <martin@lispworks.com> Cc: Rick Macklem <rmacklem@uoguelph.ca>, freebsd-fs <freebsd-fs@freebsd.org> Subject: Re: Linux could write to read only files on FreeBSD NFS server Message-ID: <CAHJqQjt4M_j5=85wcb2hcMC7nepV0ktAtOxbinvj%2BVv2cFWG5g@mail.gmail.com> In-Reply-To: <202002281113.01SBDlsl017697@higson.cam.lispworks.com> References: <CAHJqQjuEVpL4xV1dAf6scFqFfMNm1gY3jOaO64ZQJTCQi_qzcQ@mail.gmail.com> <707243CD-C67E-4DAD-AC5A-68EC11CFFDFD@lysator.liu.se> <6EC06026-DA28-4CAC-8D56-5C7856D4625E@lysator.liu.se> <YTBPR01MB3374713F573B548791A22F98DDEB0@YTBPR01MB3374.CANPRD01.PROD.OUTLOOK.COM> <CAHJqQjsP-w9LAS4AV64Pu9Jmv0kVFodKdT_jLUcyop3sNVh_EA@mail.gmail.com> <202002281113.01SBDlsl017697@higson.cam.lispworks.com>
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On Fri, Feb 28, 2020 at 3:13 AM Martin Simmons <martin@lispworks.com> wrote: > >>>>> On Thu, 27 Feb 2020 14:58:55 -0800, Luoqi Chen said: > > > > One more piece of information that might help: this behavior started > > somewhere between centos 5 and 6, kernel 2.6.18 and 2.6.32, i.e., the > same > > script would fail on 2.6.18. Timing wise I believe it coincided with the > > introduction of nfsv4. > > Have you tried mounting it with nfsv3 recently? I can't repeat it with > that > version (I don't run nfsv4 at all). Looks like I'm getting senile... The script works correctly with nfsv3 mounts. This is a nfsv4 specific problem.
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