Re: Raid 10 question/problem [ot]

From: Jan Engelhardt
Date: Sun Jan 28 2007 - 16:42:05 EST



On Jan 28 2007 22:49, Michael Tokarev wrote:
>Bill Davidsen wrote:
>[]
>> RAID-10 is not the same as RAID 0+1.
>
>It is. Yes, there's separate module for raid10, but what it - basically -
>does is the same as raid0 module over two raid1 modules will do. It's
>just a bit more efficient (less levels, more room for optimisations),
>easy to use (you'll have single array instead of at least 3), and a bit
>more flexible; at the same way it's less widely tested...

And most importantly, raid10 allows you to spread the array data over an odd
number of devices while still having [at least] 2 copies of each block.

Hm, I really wished resizing was implemented for raid0 and raid10 too... ;)


-`J'
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