Craig Sanders <[email protected]> writes:

> On Thu, Jul 11, 2013 at 10:03:54AM +1000, Bob wrote:
>> I am using Libre Office wordprocessor on Kubuntu 13.04.  My data is
>> stored on a NAS (Synology DS213+) and accesses using NFS.
>>
>> When trying to access files from the NAS, LibreOffice locks up and
>> freezes.  There are no problems with any other programs accessing
>> data (including Email etc) .  Copying a file to the local computer
>> allows it to be opened OK by LibreOffice, so it appears to be a
>> problem with LibreOffice and networking.
>
> that sounds very much like an NFS locking problem.  Libre Office is
> trying to lock the file so it has exclusive Write access to it while
> it's open.

FWIW, these symptoms also present with people using MS Office + Outlook
and samba3.  My strong impression is that locking just doesn't work very
well under ANY network filesystem.  IIRC my approach for samba3 is the
equivalent to export-with-nolock, which causes the clients to do client-
side locking, at a small[0] performance penalty.

[0] smb.conf says "up to 30%" IIRC, but I never heard anybody complain
    after I made the change.

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