Package: nfs-common
Version: 1:1.0.10-6+etch.1
Severity: normal

I try to setup an NFS server in a Heartbeat configuration. The normal setup for 
this is to have an IP alias or secondary IP 
to which the NFS clients connect. Everything works, but when a client releases 
a file lock, the other client(s) (waiting for 
the lock to come free) is/are not notified. After 30 seconds the other client 
ask the server again about the lock, and it is 
granted the lock. (Max) 30 seconds to late, that is.

The fact that I use Heartbeat is not important here, this behaviour is 
perfectly reproducible on a simple (single) NFS 
server when the clients connect to an IP alias or secondary IP adress.

Clients that connect to a primary IP address ARE always notified about released 
file locks. Also if the client that releases 
the lock is connected to the IP alias or secondary IP.

I tested file locking with C fcntl and Perl flock. Both showed the behaviour 
described.

-- System Information:
Debian Release: 4.0
  APT prefers stable
  APT policy: (500, 'stable')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux 2.6.18-5-vserver-686
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)

Versions of packages nfs-common depends on:
ii  adduser  3.102                           Add and remove users and groups
ii  libc6    2.3.6.ds1-13etch2               GNU C Library: Shared libraries
ii  libcomer 1.39+1.40-WIP-2006.11.14+dfsg-2 common error description library
ii  libevent 1.1a-1                          An asynchronous event notification
ii  libgssap 0.10-4                          A mechanism-switch gssapi library
ii  libkrb53 1.4.4-7etch2                    MIT Kerberos runtime libraries
ii  libnfsid 0.18-0                          An nfs idmapping library
ii  librpcse 0.14-2                          allows secure rpc communication us
ii  libwrap0 7.6.dbs-13                      Wietse Venema's TCP wrappers libra
ii  lsb-base 3.1-23.2etch1                   Linux Standard Base 3.1 init scrip
ii  netbase  4.29                            Basic TCP/IP networking system
ii  portmap  5-26                            The RPC portmapper
ii  ucf      2.0020                          Update Configuration File: preserv

nfs-common recommends no packages.

-- no debconf information



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