On Fri, May 12, 2006 at 05:43:25PM +0200, Dries Kimpe wrote: > Hi, > > Are there any known problems with using purely userspace access to > PVFS2; With this I mean directly through MPI-IO & ROMIO by > specifying pvfs2://dfdf/file ?
We haven't heard of any issues with HDF5 and PVFS2, but it does sound like you found a bug. > I've been trying to get the HDF5 tests working, and they always fail > when using pvfs2://.. files. (As opposed to not specifying any prefix at all) > This data corruption does not occur when specifying ufs:// or nfs:// > (and actually running on nfs or local) These HDF5 tests: are you talking about 'testphdf5' ? You ran it something the following, right? export HDF5_PARAPREFIX=pvfs2:/pvfs2-mountpoint ./testphdf5 Just want to make sure so i can reprodcuce it. > Testing -- extendible dataset collective write (ecdsetw) > Testing -- extendible dataset collective read (ecdsetr) > Testing -- extendible dataset collective read (ecdsetr) > Testing -- extendible dataset collective read (ecdsetr) > Dataset Verify failed at [0][0](row 0, col 800): expect 801, got 0 > Dataset Verify failed at [0][1](row 0, col 801): expect 802, got 0 > Dataset Verify failed at [0][2](row 0, col 802): expect 803, got 0 > Dataset Verify failed at [0][3](row 0, col 803): expect 804, got 0 > Dataset Verify failed at [0][4](row 0, col 804): expect 805, got 0 > Dataset Verify failed at [0][5](row 0, col 805): expect 806, got 0 > Dataset Verify failed at [0][6](row 0, col 806): expect 807, got 0 > Dataset Verify failed at [0][7](row 0, col 807): expect 808, got 0 > Dataset Verify failed at [0][8](row 0, col 808): expect 809, got 0 > Dataset Verify failed at [0][9](row 0, col 809): expect 810, got 0 > [more errors ...] > 40 errors found in dataset_vrfy > Proc 2: Dataset Verify failed at [0][0](row 0, col 400): expect 401, got 0 > Dataset Verify failed at [0][1](row 0, col 401): expect 402, got 0 > Dataset Verify failed at [0][2](row 0, col 402): expect 403, got 0 > Dataset Verify failed at [0][3](row 0, col 403): expect 404, got 0 > Dataset Verify failed at [0][4](row 0, col 404): expect 405, got 0 > Dataset Verify failed at [0][5](row 0, col 405): expect 406, got 0 > Dataset Verify failed at [0][6](row 0, col 406): expect 407, got 0 > Dataset Verify failed at [0][7](row 0, col 407): expect 408, got 0 > Dataset Verify failed at [0][8](row 0, col 408): expect 409, got 0 > Dataset Verify failed at [0][9](row 0, col 409): expect 410, got 0 > [more errors ...] > 80 errors found in dataset_vrfy > > > PVFS2 itself seems to work: Cool. I'm going to rebuld pvfs2, mpich2, and hdf5-1.6.5 but once that's all done i'll see if i can reproduce the problem and either fix it or let you know what's going on. ==rob -- Rob Latham Mathematics and Computer Science Division A215 0178 EA2D B059 8CDF Argonne National Labs, IL USA B29D F333 664A 4280 315B _______________________________________________ Pvfs2-users mailing list [email protected] http://www.beowulf-underground.org/mailman/listinfo/pvfs2-users
