Re: Regarding Raid1

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Hi Greg.......

On Sun, Dec 19, 2010 at 07:28, Greg Freemyer <greg.freemyer@xxxxxxxxx> wrote:
> Both Raid 10 and Raid 1+0 effectively mean the same.
>
> The plus is basically implied unless you want Raid 0+1.  I've never
> seen that call raid 01.
>
> I think the use varies on how you build the array.  If you first build
> a stripeset, then mirror them as 2 separate steps, then use 1+0.
>
> If on the otherhand you make a single call to mdadm (as an example)
> and tell it do do the work in one step, then it is raid 10.  The
> advantage of raid 10 over 1+0 is mdadm has several ways internally to
> build a raid 10 whereas there is basically only one way to build a
> 1+0..

Thanks for your kind explanation....I'll dig further about it when I
have time. I never knew 'til this you explained it to me that mdadm
might have its own way to build 1+0...I always think it always be:
build mirror, then stripe them....

-- 
regards,

Mulyadi Santosa
Freelance Linux trainer and consultant

blog: the-hydra.blogspot.com
training: mulyaditraining.blogspot.com

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