![]() ![]() ![]() For example, the figure below shows a storage device that has one Apple File System partition, and it shows the major divisions of the space inside that container.īy design the new APFS will fill physical disks, however “available space” exists not by how many blocks are taken up on a disk, but how much of the allotted “container” or file system is available.īecause of the copy on write/change, and optimization for SSDs this will allow for more stability in the file system while leading to “always full” disks in the old sense of the term. A container can contain multiple volumes (also known as file systems), each of which contains a directory structure for files and folders. I would imagine the OS would take up, certainly less than 100 gigs under normal circumstances. I'm wondering if that's normal, because it seems outrageously high to me. I noticed that my Mac uses 152 gigs of storage just for 'system'. Apple File System ReferenceĪn Apple File System partition has a single container, which provides space management and crash protection. To check the system storage space, you can click on the Apple logo on the top left corner of the main screen on your Mac system and select About This Mac and then on Storage. 15 MacOS Sierra has a helpful 'Manage Storage' option in 'About this Mac'. worth looking into APFS’s snapshot technology (seen in TimeMachine) but at a higher level looking at how the basis of the file system has shifted. A “full disk” doesn’t mean what it used too. Want to improve this question Add details and clarify the problem by editing this post. If this is an APFS volume it’s a complete shift of mindset from HFS. Why is macOS Sierra taking so much system space 160+ GB closed Ask Question Asked 6 years, 7 months ago Modified 6 years, 4 months ago Viewed 1k times 4 Closed. ![]()
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