Re: RAID-1 can (sometimes) be 3x faster than RAID-10

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Hi Robin,

On Thu, May 30, 2019 at 09:19:41PM +0100, Robin Hill wrote:
> "fastest half" means the fastest half of the mirror - the NVMe drive, as
> opposed to the slower SSD.
> 
> I suspect the slowdown is because there's no optimisation for the
> 2-drive RAID-10 case,

I did wonder about this. I'd love to be able to try out 4 devices
but unfortunately I can't afford to buy 2 SSDs and 2 NVMe at once!

For testing purposes do you think it would be worth faking it with
partitions, i.e. 2 partitions on each device making a 4 device
RAID-10?

Thanks,
Andy



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