On Sun, Mar 07, 2010 at 01:21:13PM +1100, Neil Brown wrote: > On Sat, 06 Mar 2010 18:17:44 -0500 > "Guy Watkins" <linux-raid@xxxxxxxxxxxxxxxx> wrote: > > > } > > } At a minimum I would build a 3-disk raid 6. raid 6 does a lot of i/o > > } which may be a problem. > > > > If he only needs 3 drives I would recommend RAID1. Can still loose 2 drives > > and you don't have the RAID6 I/O overhead. > > > > and as md/raid6 requires at least 4 drives, RAID1 is not just the best > solution to survive two failures on a 3-device array, it is the only solution. Raid10 can also do it. raid1 is in many ways obsolete and you should rather use raid10, which in my eyeys is just another way of doing the same conceptual thing as raid1. Best regards keld -- 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
