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Month: September 2017

How to upgrade macOS to High Sierra without filesystem change (HFS+ to APFS)

How to upgrade macOS to High Sierra without filesystem change (HFS+ to APFS)

During the installation of developer and beta versions of macOS High Sierra, user was asked if he/she wants to “upgrade file system to APFS”. With the final (17A365) version of High Sierra, such question is no longer displayed to people with systems on flash-only storage. It is however still possible to avoid filesystem conversion and install High Sierra on HFS+ filesystem, or keep HFS+. This is not a “you should”, it’s a “you can” This howto (hownotto) only shows how…

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APFS vs HFS+: benchmarks on 2017 MacBook Pro with macOS High Sierra

APFS vs HFS+: benchmarks on 2017 MacBook Pro with macOS High Sierra

In July, when I replaced my dated MacBook Air with a shiny new 2017 MacBook Pro, it was my first workstation equipped with a blazing-fast NVMe SSD. At that time Apple was releasing developer and beta versions of their new macOS, High Sierra, which includes APFS – filesystem that is going to succeed an almost 2 decades old Mac OS Extended (HFS+). I did some benchmarks, that while being maybe not that well-thought, showed some disadvanteges of using Apple’s new…

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