macOS will automatically remove them when the system needs more free-space. Normally, you don’t need to remove the purgeable file form the storage space.
If a local file is synced with iCloud, then the local file is considered as purgeable.Old files which are not used for a long time.Until then, these snapshot files are classified as purgeable files. These files are automatically purged when the backup disk is accessible by time machine.
If the backup disk is not accessible by time machine, it uses the local storage to store the snapshots.Here is the list of few of the major contributors of purgeable space: Purgeable storage is the space occupied by files in the drive which were identified by the macOS system as removable in case if it needs more free-space. I would like to share what I learned and what I did to free up some of the space in my laptop. On searching, I figured out the details of purgeable storage and how to reduce them. Screenshot of Disk Utility attached.After getting the answer for difference in free space shown in different windows, I got couple of more questions:
That data volume is mounted as "Macintosh HD - Data" in /System/Volumes/Data. Anyways, the "other" section in the storage tab seems to be free storage on the data volume. My guess is that Apple didn't yet update the storage tab in "About this Mac" to recognise the new FS layout. That means that only 10GB of my 250GB SSD are "empty", which makes the disk space warning freak out, even though only 62GB of the 230GB on the data volume are occupied. I investigated and found that Catalina appears to create its own APFS Volume for user data, so there are now 2 macOS Volumes, one for system (which is about 10GB in my case) and one for user data (which is 230GB). The storage tab in "About this Mac" showed 9GB of free space and 165GB of "other". I got continuous low storage warnings even though I have pretty much nothing on my Mac. I installed the Catalina Beta today and pretty quickly noticed something weird going on.
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