>I think SATA hard drives are so cheap nowadays, that it's hard to justify choosing >RAID 5 for more yield at the cost of performance and reliability. Another point to consider with slower sata discs that are also large is the prolonged rebuild time and degraded redundancy during this rebuild, especially with r5 vs r6. Additionally I can confirm as I also have several lsi cards and all perform like hell in r5/6 even with bbu. jlc