[Bug 197006] [NEW] NFS over Unionfs prevents updating existing files

[Reinhard Tartler]

Public bug reported:

Binary package hint: linux-image-generic

System: ubuntu hardy kernel version 2.6.24.10.8
Steps to reproduce:

mount an NFS share, and use Unionfs to mount an tmpfs over it.

Symptoms: New files can be created as expected, however editing existing
files fails with "No permission to write to $file".

This avoids using installation methods like fai, that use this technique
during install time. E.g. it fails to setup /etc/resolv.conf or
/etc/apt/sources.list.

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

** Summary changed:

- NFS over Unionfs fails to overwrite existing files
+ NFS over Unionfs break updating existing files

** Summary changed:

- NFS over Unionfs break updating existing files
+ NFS over Unionfs prevents updating existing files

-- 
NFS over Unionfs prevents updating existing files
https://bugs.launchpad.net/bugs/197006
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