During the last few months, I have created a half dozen or so screencast videos using Screenflow, which is an ( excellent) document-based app. So it looks like the space used by Time Machine and the space used by "purgeable" are different issues.īy the way, think I know how I got so much in Time Machine local backups. After doing this, I have 159 GB available, 73.33 GB purgeable and the installer says I have 86 GB available and it is ready to go. Side note: Before doing this I had 89 GB available, 73.33 GB purgeable and the installer said I had only 16 GB available and needed 34 GB more. Snapshots for volume group containing disk /: So instead I did what it implied I needed to do:Ĭode Block bash Air2:~ jk$ sudo tmutil deletelocalsnapshots /ĭeleted 2 Time Machine local snapshots for volume group containing disk '/'Ĭode Block bash Air2:~ jk$ tmutil listlocalsnapshots / Teddy's second command failed:Ĭode Block bash Air2:~ jk$ sudo tmutil deletelocalsnapshots -002518.local Type sudo tmutil deletelocalsnapshots -002010 (substitution the ID presented before)įor me, using macOS 10.15.6 beta on a MacBook Air, the answer by was close, but the actual example was simpler. ![]() You should be presented with something like this .-002010 (the number will be different) That that does not work try deleting it manually in the terminal. Wait a few minutes to allow the local snapshots to be deleted. Or choose Apple menu > System Preferences, then click Time Machine.ĭeselect “Back Up Automatically” or click the Off/On switch, depending on what you see in Time Machine preferences. ![]() Open Time Machine preferences from the Time Machine menu in the menu bar. "If you want to delete local snapshots manually, turn off Time Machine temporarily: (This is the issue I faced when installing) 4.Are you using Time Machine, If so you may have local snapshots of them store locally on your Mac. That means carve out some time for it to install, as these things tend to take a while. You don't want to install macOS Big Sur and find out it breaks one or more of the applications you need to earn a living.Īfter this, you're ready to actually install macOS Big Sur. If they don't mention Big Sur at all on their site, that's a red flag. That's why you should find the official websites for those applications, and see what their developers are saying about Big Sur support. Personally, I need Pixelmator for image editing. We all rely on specific apps for our work and personal life, and you can probably name them off the top of your head. One of your apps may no longer work (we'll get to that next), or some bug that wasn't squashed in beta testing may survive. This is because no matter who tells you otherwise, a major software update adds some risk. This is why I've got multiple backups: locally with a hard drive that backs up via Time Machine, and in the cloud with Backblaze, one of the best cloud backup services available today. There is no step more crucial to a proper major version update than making sure your data is duplicated. ![]() I've got the 2012 MacBook Pro, the first with a Retina Display, and this is the first major update that it won't get. My least favorite aspect of Big Sur is that my personal MacBook Pro does not support it.
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