[PVFS-users] PVFS error at client side
Rob Ross
rross at mcs.anl.gov
Wed Feb 4 21:42:56 EST 2004
I see. Could you give us the configure lines for MPICH? Thanks,
Rob
On Wed, 4 Feb 2004, Tajendra Vir Singh wrote:
> Sorry Rob,
>
> I messed up. I have been working on this for last couple of days in order to
> get it working. I am also facing problems using mpich-1.2.5-2 with pvfs
> switch enabled.
>
> During this once I used the /pvfs/testfile.dat vs pvfs:/pvfs/testfile.dat,
> and both of them did not work. They both came out without doing anything at
> the /pvfs file system.
>
> When I got it working with some combination of switches, I got the hangup
> problem which I reported to the list as I thought it is not due to mpich but
> it is due to pvfs.
>
> TV Singh
> 5919A Math Sciences bldg,
> ATS, UCLA, Los Angeles, CA 90095-1557
> Ph: (310)825-5698
>
> -----Original Message-----
> From: Rob Ross [mailto:rross at mcs.anl.gov]
> Sent: Wednesday, February 04, 2004 1:22 PM
> To: Tajendra Vir Singh
> Cc: pvfs-users at beowulf-underground.org
> Subject: RE: [PVFS-users] PVFS error at client side
>
> On Wed, 4 Feb 2004, Tajendra Vir Singh wrote:
>
> > Hello Rob,
> >
> > I am going to ask about applying the patch from our system administrator.
> I
> > think his answer will be no as he gave me the installed pvfs systems
> around
> > last week of January. I saw the patch you posted was on Jan 29th.
> >
> > I already tried using pvfs:/pvfs/tesfile.dat in place of /pvfs/tesfile.dat
> > and it did not help.
>
> This is interesting. You should definitely *not* get ls hangs after
> running with the pvfs: if things are set up correctly. That implies that
> maybe there is something wrong with /etc/pvfstab -- have other MPI-IO
> programs run correctly?
>
> The reason that this is true is that a pvfs: MPI-IO run does not use the
> kernel interface, so there is nothing really that it would do to put the
> kernel interface in a weird state. And it definitely sounds like that is
> what is going on.
>
> Rob
>
>
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