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DISK CLEANER MAC CREATE SPACE HOW TO
DISK CLEANER MAC CREATE SPACE FULL

Once the reinstallation was complete, the purgeable storage was substantially smaller and operations which previously failed due to insufficient disk space succeeded.

DISK CLEANER MAC CREATE SPACE HOW TO

See How to reinstall macOS from macOS Recovery.

Boot to recovery mode and reinstall the Operating System.

Confirm that a recent backup is available for the system before proceeding to reduce the risk of losing data.

Personal observations have been that after a couple of weeks, a reboot cleans up in the order of a gig of purgeable space.įinal step which worked (using Catalina 10.15.7 on an iMac with an APFS formatted Fusion Drive) It may seem obvious, but a reboot cleans out a lot of the temporary and cached content.

On the expected results I don't anticipate that this single file will be the sole contributor to the purgeable data (assuming the cloud drive is off etc.), but it did clean up about 95% of the purgeable data I had. Note: the symbol file will be created again, this appears to be normal, but you should be able to better manage the size it consumes if it becomes too large. ~/Documents/SymbolDataDelete), reboot the machine and then delete the file. The gist of it is to move (as sudo) the file to somewhere in your home directory (e.g.

Removal of the file would need to be done with sudo, details are provided in the Q&A post. Follow on the Q&A linked above, it does seem safe enough to delete, this file. To get an idea of the size of the file, you can run ls as the sudo user sudo ls -la /System/Library/Caches//dataĪ search for the file provides a few links to queries on its size, such as this Q&A here.ĭetails on the file itself are scarce, but it seems related to symbol lookup for crashed and problematic processes as is evidence in this linked Q&A, with more information this post. This particular file can grow quite large, and once removed reduces the purgeable data size /System/Library/Caches//data There seems to currently be no way of getting a list of what the OS considers purgeable files in order to delete them, but there are some candidates to consider, such as cached files. The system will self correct if you can bring the data over in two pieces in your case, or in n-pieces in the general case.

DISK CLEANER MAC CREATE SPACE FULL

The main problem is that “purgeable” space is not one monolithic item - it is potentially local time machine or filesystem snapshots, cached data, derived data, iCloud photos at full resolution that will be downsampled as you start to get closer to no free space available.

How to merge files after using split command from terminal?.

Once you have all the data over, you can combine them - adding the second file to the first, deleting the second file, etc. Then let the system purge files and repeat.

In your case, you already have the file you want to copy, so you could split it into 50 GB chunks and copy one chunk over. Then, you just need to delete the files, obviously. This command takes a long time to allocate the memory, you can also stop it when it's 5~10GB and duplicate the file Command D to create copies and speed up the process. Or you can simply let it run until you are out of space in the disk and things start to stop working. It will create a file called hugefile in your home folder, which you can check the size with Get Info and stop when it's big enough for you, using Control C. Do do so, type this command in a terminal: dd if=/dev/zero of=~/hugefile bs=15m You can create a huge file that will force macOS to clean purgeable files to free you space.