[CentOS] Raid 10 questions...2 drive

Jacob Bresciani jacob at aers.ca
Fri Sep 24 22:50:58 EDT 2010


RAID10 requires at least 4 drives does it not?

Since it's a strip set of mirrored disks, the smallest configuration I can
see is 4 disks, 2 mirrored pairs stripped.

On Fri, Sep 24, 2010 at 7:27 PM, Tom Bishop <bishoptf at gmail.com> wrote:

> I have been reading lots of stuff but trying to find out if a raid10 2drive
> setup is any better/worse than a normal raid 1 setup....I have to 1Tb drives
> for my data and a seperate system drive, I am only interested in doing raid
> on my data...
>
>
> So i setup my initial test like this....
>
> mdadm -v --create /dev/md0 --chunk 1024 --level=raid10 --raid-devices=2
> /dev/sdb1 /dev/sdc1
>
>
> I have also read about near and far but was going to play with this and was
> wondering if anyone had any insights for 2 drives setup...Thanks...
>
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-- 
Jacob Bresciani
Linux Systems Administrator
Advanced Ecommerce Research Systems / Terapeak
Cell: 250 418-5412
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