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From: Ian McCall <ian@eruvia.org>
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Subject: Re: Five years later... Intel launches Fusion Drive for Wintel...
Date: Mon, 1 May 2017 09:28:04 +0100
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On 2017-05-01 06:09:24 +0000, JF Mezei <jfmezei.spamnot@vaxination.ca> said:

> Fusion is file level access as I recall. (aka: moves files to SSD if
> very active, and then moves less active files from SSD to spinning drive).

It's block level:
<https://arstechnica.com/apple/2012/10/more-on-fusion-drive-how-it-works-and-how-to-roll-your-own/>


Cheers,
Ian