On 1/31/2011 3:23 PM, Stan Hoeppner wrote: >> Raid 10 is not raid 1+0. Raid 10 defaults to having 2 duplicate copies, > > Yes, actually, they are two names for the same RAID level. No, they are not. See the mdadm man page. Raid10 can operate on 3 drives, raid1+0 can not. In theory a raid10 could be done on two disks though mdadm seems to want at least 3. > This is absolutely not correct. In a 10 disk RAID 10 array, exactly 5 disks can > fail, as long as no two are in the same mirror pair, and the array will continue > to function, with little or no performance degradation. That is a raid 0+1, not raid10. > Where are you getting your information? Pretty much everything you stated is > wrong... The mdadm man page. -- 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
