[MPICH] Setting the stripe size for a file using mpich2

Rajeev Thakur thakur at mcs.anl.gov
Tue Aug 14 11:34:05 CDT 2007

You should be able to do it using the MPI_info key "striping_unit" to set
the stripe size in bytes and "striping_factor" to set the number of I/O
servers to stripe across.


> -----Original Message-----
> From: owner-mpich-discuss at mcs.anl.gov 
> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of 
> Christina Patrick
> Sent: Monday, August 13, 2007 6:19 PM
> To: mpich-discuss-digest at mcs.anl.gov
> Subject: [MPICH] Setting the stripe size for a file using mpich2
> Hi Everybody,
> Is there any way I could set the stripe size of a file (created on a
> pvfs2 filesystem) using MPICH2 hints or some other API. I was looking
> through the source code of mpich2 and couldn't find any such hint or
> does it have to be done using only pvfs API's?
> I would appreciate your suggestions and help,
> Thanks,
> Christina.

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