I have a Dell PowerEdge 2950 with 6 SAS disks and a PERC 5/i controller what won't do RAID 6. I plan to have 2 drives as RAID 1 for the OS, and the remaining 4 as RAID 6. Granted the PERC can do RAID 1, I'm tempted to do everything via software RAID. Thus, if anything goes wrong with the controller, I just need to obtain a new SAS controller and I'm back up. I learned my lesson about not using RAID 0 for important data storage when a drive goes bad! What are peoples' performance and reliability experiences with 64-bit C5's software RAID, particularly RAID 6? Thanks. Scott