hey we are looking at setting up a dual opteron with a raid 5 array should I just do it in software or are these controllers a viable option in terms of kernel support? We will be running debian. RocketRaid 1820A 3Ware 9500-8 64-bit PCI SATA RAID Controller, regards rob -- CTO KPT Canberra http://www.kinetic.com.au Ph 61 2 61621770