I was worried it was an issue with the new APFS file system introduced to all SSD-using Macs as of High Sierra, but in this case it turns out the issue is that Time Machine retains local snapshots on disk, in addition to the full backup history that is retained on the network time machine device.Īpple state that they automatically remove local snapshots when disk space is low, but their definition of low is apparently only 5GB of free space remaining – not really much free working space in 2017 when you might want scratch space of 22GB for 1 hour of 4k 30FPS footage. After migrating a considerable amount of undesirable data to either the file server or /dev/null, I found that despite my efforts, the amount of free disk space had not increased.
#Purgeable macos sierra download#
They're files that you can download again whenever you need. What is Purgeable Storage on Mac 'Purgeable' is one of the storage categories on Mac computers with macOS Sierra. I noticed that my Mac uses 152 gigs of storage just for 'system'. Purgeable space is files residing on your Mac that the system considers disposable without any warning to you. Stack Exchange network consists of 181 Q&A communities including Stack Overflow. Is there a utility to display which files are considered as purgeable Stack Exchange Network. I recently ran out of disk space on my iMac. These are files that are on your Mac but don't need to be. MacOS Sierra has a helpful 'Manage Storage' option in 'About this Mac'. I disabled macOS Sierra storage optimizations and the Storage tab in About this Mac still shows over 70 GB as purgeable space.
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