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A1418 / EMC 3069 / 2017 / Processeur quadricoeur i5 à 3,0 GHz, quadricoeur i5 à 3,4 GHz ou quadricoeur i7 de 3,6GHz. Sorti le 8 Juin 2017.

Installing OS on a Fusion Drive (my iMac is 2019)

Im not very experienced on iMacs all my experience is on PC, anyway, I tried to reinstall my OS via the internet on my (Fusion Drive) as I suspected I had malware, anyway when I finished formatting the SSD and the HDD (in Mac Journaled) it only gave me the option to install the new OS on the SSD which is too small and not on the HDD - 1TB which is where I wanted to install. Why isn’t the HDD available as an available volume? Can anyone help?

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Ah, you fell into the trap! The SSD mustn't be formatted, you need to leave it Raw so the installer preps it as the Cache drive for the HDD.

Most of the time I just pull the Blade SSD's out and install a 1 or 2 TB version to maximize the system's performance. Setting up the Blade SSD as the boot drive and hosting the Apps leaving a good part of the drive empty so Virtual RAM, OS caching and paging (if running BootCamp) have plenty of room and the current project before moving it over to the HDD. Leaving the HDD as the primary storage of my media and work files.

At the time Apple went down this path SSD's were quite expensive! So to get a bit more performance out of the disk drive which was also still not as good as some of the newer platter drives, Apple added a smaller SSD as a cache to the HDD. Today the needed drive is not that bad cost wise OWC Aura Pro X2 SSD and if you're upto it here's the guide Changement SSD blade iMac Intel 21,5" Retina 4K (2017)

Image Replace or upgrade the PCIe solid-state drive in a variety of Macs.

Produit

OWC Aura Pro X2 SSD

$239.99

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Jimmy H. sera éternellement reconnaissant.
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