On 11/10/13 17:52, Guillaume Betous wrote: >> RAID6, preferrably with a spare. > I'm not comfortable with RAID 6 setup. What is the minimal number of > hard drives for having a RAID 6 + spare ? > Check wikipedia, but minimum of 4 drives for RAID6, consider 2 data drives plus two redundant drives, allowing you to lose any two drives (slightly better than RAID10 on 4 drives). In direct answer, RAID6 + hot spare is a minimum of 5 drives. Regards, Adam -- Adam Goryachev Website Managers www.websitemanagers.com.au -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html