[Beowulf] glusterfs and openmpi/mpich problems
landman at scalableinformatics.com
Thu Jan 8 10:38:40 PST 2009
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?
Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics LLC,
email: landman at scalableinformatics.com
web : http://www.scalableinformatics.com
phone: +1 734 786 8423 x121
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