raid10 vs raid01 type in dmraid

Gaston, Jason D jason.d.gaston at intel.com
Mon Jun 25 17:18:14 UTC 2007


>
>Eg, PC Magazine:
>"RAID 10, RAID 100 - Speed and Fault Tolerance
>RAID 10 is RAID 1 + 0. The drives are striped for performance 
>(RAID 0), and all striped drives are duplicated (RAID 1) for 
>fault tolerance."
>
>Yes, I konw, there's different (aargh!) definitions out there.
>
>Like I said: the top -> bottom of the stack definition is preferable
>to me (you reach the mirror first and the stripe second while walking
>the stack from the top to the bottom).
>
>We just got to hold on to one definition in dmraid,
>
>Heinz
>

Ok, so the dmraid definition is not going to change.

Do you see an advantage in putting the RAID1 vs. RAID0 on the bottom for
being able to perform rebuilds easier?  I need to decide which way to do
with isw.

Thanks,

Jason




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