[Beowulf] scratch File system for small cluster

Greg Lindahl lindahl at pbm.com
Thu Sep 25 13:46:32 EDT 2008


On Thu, Sep 25, 2008 at 10:19:26AM -0400, Joe Landman wrote:

>   BLAST uses mmap'ed IO.  This has some interesting ... interactions ... 
> with parallel file systems.

The PathScale compilers use mmap on their temporary files. This led to
some interesting bugs being reported... fortunately, we were able to
pinpoint the parallel filesystems as being the guilty parties without
too much work.

-- greg


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