Hi folks: Chris had asked about methods to to RAID optimization on compute nodes. The idea being that he could get good/better performance out of his system if he tuned various options in the software RAID0 under linux. The following URL is a short writeup I had been working on for a while now. http://scientificappliance.com/scalable_fs_part_1.html If you have any questions or comments, please feel free to send them to me. Thanks! -- Joe Landman, email: landman@scientificappliance.com web : http://scientificappliance.com