Re: The problem of blocks overwriting by multiple writers for raw devices

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On Fri, Jun 21 2013, Ruvinsky, Konstantin wrote:
> Hi Jens,
> 
> Question/suggestion (I am almost sure that it was already discussed
> here, but maybe ...):
> 
> Why not to divide a raw device size for multithreaded write by number
> of threads and let every thread to write on a separate chunk (as you
> do for FS - every thread writes to a separate file)? This will solves
> the problem of blocks overwriting by multiple writers.

You can do that manually, using zones for instance. Fio tries not to
guess what you are trying to do. It'll just do what you ask it to.

-- 
Jens Axboe

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