[Bug 848823] Re: nfs-kernel-server requires a real interface to be up

[Joseph Brown]

I've run into a similar issue after upgrading from 11.04 to 11.10 on
server:

$ showmount server
Hosts on server:
192.168.111.110
192.168.111.57

By placing the following in the fstab of clients, resolved consistent
nfs halts:

server:/path  /local/path  nfs  proto=udp

The halts were occurring consistently until I coerced it to use nfs3 AND
udp.

This could be dns issues, but had /etc/network/interfaces configured
before and after network-manager was uninstalled,  did not resolve the
issue.  My local nameserver /firewall does a bad job of tracking locals.
Tried placing hosts in /etc/hosts; little to no effect.

Seems like NFS keeps working on the server, nfswatch, etc, looks okay,
but clients hang as if they are not connected inconsistently.

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https://bugs.launchpad.net/bugs/848823

Title:
  nfs-kernel-server requires a real interface to be up

Status in “ifupdown” package in Ubuntu:
  Triaged

Bug description:
  For the last few weeks whenever I try to mount a nfs share from
  another machine, I get an access denied message from the server.

  once I restart via 'service nfs-kernel-server restart', then it starts
  working again. This is required atleast once per day.

  nfs server is running on fully updated 11.10 onieric
  clients are on 11.04 and 10.04

  I never experienced such issues prior to 11.10

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: nfs-kernel-server 1:1.2.4-1ubuntu2
  ProcVersionSignature: Ubuntu 3.0.0-10.16-generic 3.0.4
  Uname: Linux 3.0.0-10-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 1.22.1-0ubuntu2
  Architecture: amd64
  Date: Tue Sep 13 20:02:19 2011
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha amd64 (20110803.1)
  SourcePackage: nfs-utils
  UpgradeStatus: Upgraded to oneiric on 2011-08-13 (31 days ago)

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