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Re: [OM] Mac/Photoshop performance advice

Subject: Re: [OM] Mac/Photoshop performance advice
From: ChrisB <ftog@xxxxxxxxxxxxxx>
Date: Thu, 24 Dec 2015 22:12:02 +0000
It’s the OS, I think, Chuck.  I have a fusion drive on my iMac 27” and it is 
very speedy to start up.

Chris
> On 24 Dec 15, at 21:36, Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx> wrote:
> 
> 'd never heard of a fusion drive until today but it didn't take long to 
> figure out what it was.  I've heard of hybrid drives before but haven't paid 
> them much attention. Seagate and Toshiba produce them but all their 
> implementations only have 8GB of flash storage while Apple appears to use 
> 128GB of flash along with 1 or 3TB of conventional magnetic storage.  It's 
> unclear to me how the 8GB of storage is managed in the Seagate and Toshiba 
> drives but the Apple drives are actively managed such that the SSD space has 
> the most frequently used data.  And I don't know what manages the drive.  The 
> drive itself or the OS or both.
> 
> I'm glad I don't do this stuff any more.  Managing writes on SSDs is 
> extremely complicated and only made worse by managing it as a cache.

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