[lustre-discuss] flock timout?

Colin Faber cfaber at gmail.com
Mon Apr 13 13:07:51 PDT 2015

Hi Michael,

Are you observing errors on the clients and or servers? If so, what errors?
Can you provide them to the list to take a look?


On Mon, Apr 13, 2015 at 9:13 AM, Michael Di Domenico <mdidomenico4 at gmail.com
> wrote:

> I have a small isolated cluster (rhel 6.6) and lustre filesystem
> (v2.4.3), all are running over ipoib.  Currently I have flock turned
> on across all nodes.  I'm seeing an issue where the work load i have
> running sometimes outputs zero length files instead of data.
> re-running the job corrects the data, so i'm pretty sure it's not code
> related.
> my question is, is there some kind of timeout and error from flock
> that lustre will kick back to my code that i could detect?  and if so,
> is there a way of changing the timeout delay?  are there any other
> counters somewhere in lustre that would show me if i'm having a large
> number of flock timeouts?
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