Thanks!

So it looks like most OpenMPI builds out there are running with ROMIO's that 
are obvious to any  optimizations to what they are running on.  

I have added this to our build notes so we get it in next time.  Thanks!

Brock Palen
www.umich.edu/~brockp
CAEN Advanced Computing
bro...@umich.edu
(734)936-1985



On Dec 7, 2012, at 11:44 PM, Eric Chamberland wrote:

> Hi Brock,
> 
> Le 12/06/2012 05:10 PM, Brock Palen a écrit :
>> Eric,
>> 
>> You are correct, our builds do not show lustre support:
>> 
>>  MCA io: information "io_romio_user_configure_params" (value:<none>, data 
>> source: default value)
> surprise! ;-)
>> 
>> So to enable this, when I build OpenMPI I should pass:
>> 
>> --with-io-romio-flags='--with-file-system=testfs+ufs+nfs+lustre'
> exactly.
>> 
>> We have Lustre, local filesystems (ufs), and NFSv3 and NFSv4 clients. So 
>> that list should be good for our site.
>> 
>> Would this be a good recommendation for us to include in all our MPI builds?
> I think yes, it is in the right direction, but I am not an "expert"...  some 
> expert advice should be welcome.
> 
> Eric
> 
>> 
>> Brock Palen
>> www.umich.edu/~brockp
>> CAEN Advanced Computing
>> bro...@umich.edu
>> (734)936-1985
>> 
>> 
>> 
>> On Dec 3, 2012, at 7:12 PM, Eric Chamberland wrote:
>> 
>>> Le 12/03/2012 05:37 PM, Brock Palen a écrit :
>>>> I was trying to use hints with ROMIO and lustre prompted by another post 
>>>> on this list.
>>>> 
>>>> I have a simple MPI-IO code and I cannot using the notes I find set the 
>>>> lustre striping using the config file and setting ROMIO_HINTS.
>>>> 
>>>> Question:
>>>> 
>>>> How can I check which ADIO drivers ROMIO in OPenMPI was built with when I 
>>>> built it?
>>>> Can I make ROMIO go into 'verbose' mode and have it print what it is 
>>>> setting all its values to?
>>> Try "ompi_info -a" and check for lustre in the output:
>>> 
>>> ompi_info -a | grep -i romio
>>> ...
>>>                  MCA io: information "io_romio_user_configure_params" 
>>> (value:<--with-file-system=testfs+ufs+nfs+lustre>, data source: default 
>>> value)
>>>                          User-specified command line parameters passed to 
>>> ROMIO's configure script
>>>                  MCA io: information "io_romio_complete_configure_params" 
>>> (value:<--with-file-system=testfs+ufs+nfs+lustre  CFLAGS='-DNDEBUG -O3 
>>> -xHOST -Wall -finline-functions -fno-strict-aliasing -restrict -pthread' 
>>> CPPFLAGS='  
>>> -I/clumeq/src/Open-MPI/1.6.3/intel/openmpi-1.6.3/opal/mca/hwloc/hwloc132/hwloc/include
>>>  
>>> -I/clumeq/src/Open-MPI/1.6.3/intel/Build/opal/mca/hwloc/hwloc132/hwloc/include
>>>    -I/usr/include/infiniband -I/usr/include/infiniband' FFLAGS='' LDFLAGS=' 
>>> ' --enable-shared --enable-static --with-file-system=testfs+ufs+nfs+lustre  
>>> --prefix=/software/MPI/openmpi/1.6.3_intel --with-mpi=open_mpi 
>>> --disable-aio>, data source: default value)
>>>                          Complete set of command line parameters passed to 
>>> ROMIO's configure script
>>> 
>>> Eric
>>> 
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>> 
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