[CentOS] Raid 10 questions...2 drive

Sat Sep 25 21:01:53 UTC 2010
Nataraj <incoming-centos at rjl.com>

Miguel Medalha wrote:
>> Mdraid10 actually allows for a 3 drive raid10 set. It isn't raid10 per say but a raid level based on distributing copies of chunks around the spindles for redundancy.
>>     
>
> Isn't this what they call RAID 1e (RAID 1 Enhanced), which needs a 
> minimum of 3 drives?
>
> This seems to me a much better name for it than calling it "RAID 10"...
>
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Yes it is Raid-1E.  This is explicitly documented in the link that 
Karanbir provided...
http://en.wikipedia.org/wiki/Non-standard_RAID_levels#Linux_MD_RAID_10

Nataraj