[Lustre-discuss] flock/lockf support

Robert Olson olson at mcs.anl.gov
Thu Feb 14 11:24:59 PST 2008


fcntl locking works if you mount the filesystem on the clients with - 
o flock.

--bob

On Feb 14, 2008, at 1:18 PM, Klaus Steden wrote:

>
> Hi Joe,
>
> I know that as of v1.6.2, POSIX file locking semantics did not work.
>
> The 1.6 roadmap, the last time I looked at it, indicated that  
> support is coming but had not yet been implemented.
>
> cheers,
> Klaus
>
> On 2/14/08 11:16 AM, "Joe Little" <jmlittle at gmail.com>did etch on  
> stone tablets:
>
>> The roadmap (links to that on google fail, but found a PDF) reports
>> that 1.6 release marks lockf/flock support as possible/untested. I  
>> see
>> from the changelogs that it should be there. I have setup a lustre
>> filesystem for use in the CAD space for simulations. ModelSim, for
>> whatever reason, is failing to lock files in the its chain of
>> attempted lock mechanisms, and in the end tries and fails to use NFS
>> style locks, or so the CAD guys tell me. I'm curious if this _should_
>> work on 1.6, and if not, is there a relatively accessible 1.8 build
>> with this currently?
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>>
>
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