[PVFS2-users] using ROMIO interface

[Weikuan Yu]

On Oct 14, 2004, at 2:51 PM, Robert Latham wrote:

> On Thu, Oct 14, 2004 at 02:28:23PM -0400, Weikuan Yu wrote:
>> Can anybody provide a pointer about some guide to run ROMIO over
>> PVFS/PVFS2 in user space, i.e., without VFS support?
>>
>> Many thanks in advance,
>
> http://www.pvfs.org/pvfs2/pvfs2-quickstart.html#sec:romio
> has some information about configuring MPICH2 for PVFS2 support.
>
> When your MPI-IO program opens a file, it should prefix the file name
> with "pvfs2:".   You do not need to have the PVFS2 file system mounted
> through the VFS, but you should add an entry for PVFS2 to your
> /etc/fstab.
>
> Are you asking how to configure ROMIO with PVFS2 support, or are you
> asking how to tell an MPI-IO application to use PVFS2 routines?
>

Sorry for the confusion. I was asking the latter one. Thank you for 
your quick reply.
I will try it out.

Thanks,

Weikuan

> ==rob
>
> -- 
> Rob Latham
> Mathematics and Computer Science Division    A215 0178 EA2D B059 8CDF
> Argonne National Labs, IL USA                B29D F333 664A 4280 315B
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