Date: Fri, 02 Apr 2004 13:13:29 -0800 From: Sean McNeil <sean@mcneil.com> To: Dan Nelson <dnelson@allantgroup.com> Cc: freebsd-current@freebsd.org Subject: Re: nfs server issues Message-ID: <1080940409.3711.1.camel@server.mcneil.com> In-Reply-To: <20040402163353.GC6724@dan.emsphone.com> References: <1080882894.5980.26.camel@server.mcneil.com> <20040402163353.GC6724@dan.emsphone.com>
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On Fri, 2004-04-02 at 08:33, Dan Nelson wrote: > In the last episode (Apr 01), Sean McNeil said: > > I have googled and seen a great deal of talk about FreeBSD nfs client > > issues, but haven't seen anything about server problems. I've now > > tried with a Solaris 2.7, HPUX 11.11, and 2 different Linux boxes and > > I get the same thing happening... > > > > If I mount an nfs partition on any of the above mentioned machines, > > everything works fine until I try to copy a bunch of files over. For > > instance, if I mount it at /mnt and do > > > > cd /localdisk; (cd /mnt; tar cf - .) | tar xvf - > > > > It will lock up hard. Linux is saying > > > > nfs: task xxxx can't get a request slot > > "tcpdump -s0" output might help here, I think. Do it from both > machines and make sure no packets are being dropped, and then check to > see what NFS request the client is trying to make that isn't getting > processed. OK, here is a tcpdump. It is confusing. It looks like after the first fragment is received it is looking up some bazaar IP address.... 13:02:57.566952 free.mcneil.com.1360032988 > server.mcneil.com.nfs: 136 readdir fh 1002,54097/7890231 4096 bytes @ 0x000000000 (DF) 13:02:57.567266 server.mcneil.com.nfs > free.mcneil.com.1360032988: reply ok 1472 readdir (frag 1645:1480@0+) 13:02:57.567268 0.0.0.1 > 0.0.10.7: (frag 1645:4@1480) 13:02:57.567375 free.mcneil.com.32772 > server.mcneil.com.domain: 32381+ PTR? 7.10.0.0.in-addr.arpa. (39) (DF) 13:02:57.567536 server.mcneil.com.domain > free.mcneil.com.32772: 32381 NXDomain 36268/1/0 SOA (103) 13:03:01.766943 arp who-has server.mcneil.com tell free.mcneil.com 13:03:01.767040 arp reply server.mcneil.com is-at 0:d:61:27:4d:6b 13:03:02.576961 free.mcneil.com.32772 > server.mcneil.com.domain: 32381+ PTR? 7.10.0.0.in-addr.arpa. (39) (DF) 13:03:02.577146 server.mcneil.com.domain > free.mcneil.com.32772: 32381 NXDomain 0/1/0 (103) 13:03:02.577395 free.mcneil.com.32772 > server.mcneil.com.domain: 32382+ PTR? 1.0.0.0.in-addr.arpa. (38) (DF) 13:03:02.577513 server.mcneil.com.domain > free.mcneil.com.32772: 32382 NXDomain 0/1/0 (102)
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