Download it, run it and you should be good.Īnd if a re-download fails - or Onyx doesn’t work - just look in your main system’s Applications folder - which should be located at /Applications/ in the Terminal - and look for the “Install macOS Big Sur” application and just trash it. While some people say Onyx causes problems, never in my years of using it have I had issues. That said, if you are truly concerned about free space and do want to start from square one, download Onyx and run it to clear your filesystem caches. Bad user experience and bad for Apple’s bandwidth management.
#MAC OS UPGRADE TO BIG SUR UPDATE#
If everyone in the world had to start a 15GB download from square one each time there was a network issue, nobody would get an update and Apple’s servers would have to serve more that 15GB for each download attempt. But in the case of this macOS update it is not considered removable cached data for the reason I explained above. And since the Big Sur update package is around 15GB, you now have 12GB downloaded so all you need to do is wait for the remaining 3GB to download and you should be good.Īnd yes, macOS and many other OSes - not just Unix and Linux systems - clear cached data and such on reboots. It will simply continue the download where it left off. Meaning when you closed the lid on your MacBook all that happened is the download was suspended. In my experience, Apple macOS updates are cumulative in downloads. That 12GB of space should be a partial download of Big Sur. Just continue the Big Sur download and run the update. Is there any command to purge these update files? Seeing as there is no change in the amount of free space after restarts, what can I do next? But if so, restarting should clear out the temporary files since - as I understand it - a shutdown/restart involves deletion of temp files, yes? It is most likely that the update stored as temporary file(s) while downloading. However, before starting the update for the first time around it would refuse unless at least 15.95GB was free, and now it shows no such warning. I doubt re-downloading is wise the download GUI indicates that the download starts from scratch.
This 5GB of free space remains the same even after multiple restarts. The problem is when I check my MacBook now, only 5GB remains free. Which makes sense, since the network does not stay connected when put to sleep. It says something likeL: “Update failed due to network issues.”
Midway through that process I shut the lid of my MacBook the update to fail.
#MAC OS UPGRADE TO BIG SUR SOFTWARE#
I had 17GB of free before triggering Big Sur update from System Prefrences > Software Update > Upgrade Now.
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