[Bug 1037192] Re: NFS shares are mounted with wrong clientaddr or not at all

[ubm]

I can also confirm this, with 2.36.4, 2.42 from quantal-updates (I
couldn't go higher with 12.04.3 LTS's libc) and even with 2.36

This can completely fry netapp filers (i.e. clients with
clientaddr=0.0.0.0 or others accessing the same filer) might have their
transfer speed reduced to a few K (!) per sec or even stall with no I/O
possible anymore at single processes.

This is a major showstopper for all enterprise applications.

Manually specified clientaddr mount options are a no-go for generically
provisioned boxes (like cluster nodes, etc.)

There's currently no solution to this here but dirty shell hackery in
rc.local and friends...

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Title:
  NFS shares are mounted with wrong clientaddr or not at all

Status in “mountall” package in Ubuntu:
  Confirmed

Bug description:
  With the following fstab:

  proc /proc proc nodev,noexec,nosuid 0 0
  /dev/mapper/vg0-fat_client / ext4 relatime,errors=remount-ro 0 1
  /dev/mapper/vg0-swap none swap sw 0 0
  spitzer:/opt /opt nfs4 auto 0 0
  spitzer:/home /home nfs4 auto 0 0

  The  /opt and /home are sometimes not mounted at all, and sometimes
  with the wrong clientaddr:

  $ mount | grep nfs
  rpc_pipefs on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
  spitzer:/home on /home type nfs4 (rw,clientaddr=0.0.0.0,addr=192.168.1.2)
  spitzer:/opt on /opt type nfs4 (rw,clientaddr=0.0.0.0,addr=192.168.1.2)

  Since this happens on all clients (they all get same clientaddr), this
  results in a frozen mount (cf
  http://thread.gmane.org/gmane.linux.nfs/47780)

  The "spitzer" host is only reachable via a tinc VPN, and mounting (or
  remounting) manually after boot always works and results in the
  correct clientaddr, so I believe that mountall is attempting to mount
  this too early.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.04
  Package: mountall 2.15.3
  ProcVersionSignature: Ubuntu 3.0.0-23.39~lucid1-server 3.0.36
  Uname: Linux 3.0.0-23-server x86_64
  Architecture: amd64
  Date: Wed Aug 15 12:16:17 2012
  ProcEnviron:
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: mountall

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