On Jan 13, 2010, at 5:22 PM, Sam Lang wrote: > Do you have the PVFS volume mounted as well, or are you only using PVFS with > MPI-IO? Sometimes the MPI-IO library ends up using system calls with the > mounted PVFS volume instead of using the PVFS system interfaces directly. > You could try specifying pvfs2: as a prefix to the file you're writing. I.e. > pvfs2:/pvfs-mnt/test-file1.
Hi, Sam. I'm fairly certain we don't have the filesystem mounted (I don't think we even have the kernel/fuse module installed), but we'll double check. On Jan 13, 2010, at 5:29 PM, Rob Latham wrote: > Is that correct? If you stripe 1MB objects with a stripe size of 1MB > you don't get a whole lot of parallelism, right? Hi, Rob. We've also tested with 64KB stripes with the same results, I believe. Besides, even with 1 MB stripe sizes, that should in general be one server/client. Thanks for the replies, guys. ~Milo _______________________________________________ Pvfs2-users mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
