[Bug 207223] [NEW] File write fails on NFS with a GFS backing filesystem

[mporter]

Public bug reported:

Binary package hint: linux-image-server

Release: Ubuntu 7.10

Configuration:

In my simple 3 node cluster I'm using the Ubuntu kernel GFS support. I
have /home as GFS. I also have /home NFS exported.

Expected Results:

  I should be able to mount the NFS exported /home from another system
and read/write files.

Actual Results:

  Copying files to the NFS mounted filesystem fails.

  This bug appears to be the same as reported at the RedHat bugzilla: 
  https://bugzilla.redhat.com/show_bug.cgi?id=432544

Detailed log:

root at beef:/# mount foo:/home /mnt/tmp
root at beef:/# cd /mnt/tmp
root at beef:/mnt/tmp# touch test
root at beef:/mnt/tmp# echo foo > test2
root at beef:/mnt/tmp# cat test2
foo
root at beef:/mnt/tmp# cp /sbin/init test3
cp: closing `test3': Invalid argument

Notes:

"dd" will also fail with the same Invalid argument error as a cp when
the "of=bar" is targetted to an GFS-backed NFS filessystem. This, of
course, works fine on an ext3-backed NFS filesystem as expected.

** Affects: linux-meta (Ubuntu)
     Importance: Undecided
         Status: New

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File write fails on NFS with a GFS backing filesystem
https://bugs.launchpad.net/bugs/207223
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