Yes that is true.

The underlying filesystems are ether NFSv3 provided by a OnStor bobcat, or a simple Lustre cluster.

All systems are 64bit x86_64. We create files larger than 2GB al the time.

Brock Palen
Center for Advanced Computing
bro...@umich.edu
(734)936-1985


On Jan 25, 2008, at 2:03 PM, Jeff Pummill wrote:

I'm guessing he means the ASC FLASH code which simulates star explosions...

Brock?


Jeff F. Pummill
University of Arkansas



Doug Reeder wrote:

Brock,

Do you mean flash memory, like a USB memory stick. What kid of file
system is on the memory. Is there some filesystem limit you are
bumping into.

Doug Reeder
On Jan 25, 2008, at 8:38 AM, Brock Palen wrote:


Is anyone using flash with openMPI?  we are here, but when ever it
tries to write its second checkpoint file it segfaults once it gets
to 2.2GB always in the same location.

Debugging is a pain as it takes 3 days to get to that point.  Just
wondering if anyone else has seen this same behavior.


Brock Palen
Center for Advanced Computing
bro...@umich.edu
(734)936-1985


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