[Lustre-discuss] flock/lockf support

[Joe Little]

On Thu, Feb 14, 2008 at 11:24 AM, Robert Olson <olson at mcs.anl.gov> wrote:
> fcntl locking works if you mount the filesystem on the clients with -o
> flock.
>
> --bob

This was it. Thanks. Apparently things are now working with this
option, and so we'll have them test all apps out on one client before
we return to using lustre. I'll report back if this doesn't resolve
all the present locking problems.

>
>
>
> 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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