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Old 11-01-2019, 03:35 AM
justinhill justinhill is offline
Join Date: Mar 2019
Location: Horley UK
Posts: 105
Default Re: Low disc space on boot drive mystery


Good idea... having discovered the relevant commands I asked tmutil to thin my snapshots by 20GB and - gosh - 20GB of space appeared on the boot drive.

Whether this is the answer to my original problem remains to be seen, since space is still reducing by itself on the Mac Pro but not doing so on the Macbook Pro which is also using APFS. On the other hand, the Macbook Pro doesn't have a rigorous backup regime like the Mac Pro does. I use Carbon Copy Cloner and the snapshots are being created by CCC.

My old friend and mentor now passed away, Jon Hiseman, used to moan about how you couldn't make records any more without being a self-taught IT specialist.

Mix room: Apple Mac Pro 6,1 late 2013 2.7Ghz 12-Core XeonE5, 64GB RAM, D300 Graphics, OSX Mojave 10.14.6/Pro Tools Ultimate 2019.6/Presonus Quantum 4848 Thunderbolt 2/Digidesign Command|8/Allen & Heath ZED-436 for fun

Studio: Apple Mac Pro 5,1 mid 2012 2x 3.46Ghz 6-Core Xeon, 64GB RAM, GeForce GTX 970 graphics, OSX Sierra 10.12.6/Pro Tools Ultimate 2018.12/HDX1/Avid HD 16x16, Digidesign 192 16x16, Digidesign 192 16x8/Custom Raindirk Symphony 32ch. front end
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