[MPICH] Setting the stripe size for a file using mpich2
Yu, Weikuan
wyu at ornl.gov
Tue Aug 14 12:20:51 CDT 2007
But stripe size is a static number (64K) in PVFS2. It did not appear
customizable by clients to me. or I am not up-to-date on this matter?
--Weikuan
> -----Original Message-----
> From: owner-mpich-discuss at mcs.anl.gov
> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of Rajeev Thakur
> Sent: Tuesday, August 14, 2007 12:34 PM
> To: 'Christina Patrick'; mpich-discuss-digest at mcs.anl.gov
> Subject: RE: [MPICH] Setting the stripe size for a file using mpich2
>
> 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.
>
> Rajeev
>
> > -----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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