[Beowulf] glusterfs and openmpi/mpich problems

Marian Marinov mm at yuhu.biz
Fri Jan 9 19:15:26 EST 2009


On Thursday 08 January 2009 20:38:40 Joe Landman wrote:
> Gerry Creager wrote:
> > We've been working with gluster of late, on our high throughput cluster
> > (126 nodes, gigabit connected).  We did some tweaking recently, and now,
> > my test code, an instance of WRF on 128 cores, just sorta dies.
> >
> > More specifically, it takes 19 minutes to write the first 403MB file to
> > disk, while various tasks are mindlessly using CPU time, but only the
> > initial output file appears to get written.
> >
> > Does anyone have any history with gluster who might be willing to offer
> > some help/hints?
>
> Yes.  What translators are you using?  What is your back-end file system
> underneath glusterfs?  Which kernels are you using?

I would also suggest that you forward this mail to the gluster-user mailing 
list at gluster-users at gluster.org since the people there have seen such 
problems in the past.

Regards
Marian Marinov
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