Re: [OMPI users] Lustre hints via environment variables/runtime parameters

2012-12-03 Thread Eric Chamberland
On 12/03/2012 03:23 AM, pascal.dev...@bull.net wrote: try with: striping_unit 1048576 striping_factor 16 (stripe_size means striping_unit and stripe_count means striping_factor) Shame on me! ;-) Thank you, it works perfectly now!... Eric

Re: [OMPI users] Lustre hints via environment variables/runtime parameters

2012-12-03 Thread pascal . deveze
users-boun...@open-mpi.org a écrit sur 01/12/2012 14:47:09 : > De : Eric Chamberland > A : us...@open-mpi.org > Date : 01/12/2012 14:47 > Objet : [OMPI users] Lustre hints via environment variables/runtime parameters > Envoyé par : users-boun...@open-mpi.org > > Hi, &g

[OMPI users] Lustre hints via environment variables/runtime parameters

2012-12-01 Thread Eric Chamberland
Hi, I am using openmpi 1.6.3 with lustre. I can change the stip count via "striping_unit" but if I try to change the stripe size via "striping_factor", all my options are ignored and fall back on the default values. Here is what I do: = setenv ROMIO_HINTS /home/