Having seen this topic come up on this and the redhat-list, I thought the below links would be a interesting read. Gleaned from my local LUG. http://www.seagate.com/content/docs/pdf/whitepaper/D2c_More_than_Interface_ATA_vs_SCSI_042003.pdf Here's another interesting paper. http://www.acmqueue.org/modules.php?name=Content&pa=showpage&pid=46 -- Shrike-list mailing list Shrike-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/shrike-list