[lustre-discuss] statfs Error while running IOR benchmark on lustre setup.

Mohr Jr, Richard Frank (Rick Mohr) rmohr at utk.edu
Mon Mar 16 12:42:48 PDT 2015


What does your IOR script look like?

--
Rick Mohr
Senior HPC System Administrator
National Institute for Computational Sciences
http://www.nics.tennessee.edu

> On Mar 16, 2015, at 6:37 AM, Gadre Nayan <gadrenayan at gmail.com> wrote:
> 
> Dear all,
> 
> I have installed lustre on 4 nodes, all on same network. 
> I want to run IOR benchmark on the setup.
> 
> I have tested the mpi ring by using the following commands:
> 
> mpd &
> mpiexec -n 1 /bin/hostname
> mpdallexit
> 
> output: hp01 (local machine name)
> ***********************************************
> sudo nano mpd.hosts :- updated the clients here (2 clients hp01 hp02)
> mpdboot -n 2 -f mpd.hosts
> mpdtrace
> 
> output: 
> hp01
> hp02
> 
> expected. 2 clients(hp01 hp02)
> 
> *****************************************************
> 
> mpdringtest
> mpiexec -n 30 /bin/hostname
> 
> ouput: prints hostname hp01 15 times hp02 15 times:
> 
> ***************************************************************
> 
> When I run IOR on this setup using:
> 
> mpirun -np 2 Gadre/IOR/src/C/IOR -f Gadre/IOR/scripts/testScript
> 
> I get following error:
> IOR-2.10.3: MPI Coordinated Test of Parallel I/O
> 
> Run began: Mon Mar 16 15:16:00 2015
> Command line used: Gadre/IOR/src/C/IOR -f Gadre/IOR/scripts/testScript
> Machine: Linux hp01
> Start time skew across all tasks: 6103.23 sec
> ** error **
> ERROR in utilities.c (line 349): unable to statfs() file system.
> ERROR: No such file or directory
> ** exiting **
> application called MPI_Abort(MPI_COMM_WORLD, -1) - process 0
> rank 0 in job 2  hp01_34081   caused collective abort of all ranks
>   exit status of rank 0: killed by signal 9
> 
> 
> Why do i get a statfs() error.
> How to resolve. Any pointers or direct data :)
> 
> Please help.
> Thanks
> Gadre Nayan A
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