Reboot your Mac again and use CMD+R to enter recovery mode and get back to the Terminal. Then empty the trash and you should be good. Then drill down into the Backup.backupdb folder and trash the date based folder individually, instead of the whole top-level folder. If you do have any issue at all, use the “Put Back” command on the files in the trash, by right-clicking on them. This will probably take a long time, but it should work now without a problem. You can now drag your old Time Machine backups to the trash and hit the Empty button. Your Mac will boot as normal now, but Integrity Protection is turned off. Contrary to some other guides out there, you will not see a warning message. Then hit the return key and your Mac will immediately reboot. Once the recovery menu has appeared, ignore it and go to the “Utilities” option in the menu at the top of the screen, From here, select Terminal to open the Terminal window. Reboot your Mac, and once you hear the sound and see the logo, hit and hold CMD+R on the keyboard to boot your Mac into recovery mode. Well, it turns out that you can simply turn off SIP (System Integrity Protection) for a few minutes while you empty your trash. That’s great, but it should be able to tell the difference between the real ones, and the backups of those same files that are in a Time Machine backup! Sadly it can’t. This is designed as a security feature, to stop malicious programs deleting important operating system files. Clearly my machine didn’t want to delete seemingly important system files and it has a mode called System Integrity Protection. In the end, the solution was remarkably simple, and I’m blown away that the Apple engineer didn’t know about it. Potentially you even temporarily put your TM backup into a sub folder, meaning you can’t even set it as the Time Machine destination.Įssentially, if you’re seeing the “system integrity protection” warning, follow my advice and ignore everything else because I have been there and wasted hours on it. Of course, if you’re in the same situation that I was in, the backup you are trying to delete, isn’t your current Time Machine backup so that doesn’t work. The majority of solutions involve you entering the Time Machine app and using the delete command on the backups. If you simply google phrases like “stuck time machine backup” or “delete Time Machine backup” then you’re going to find at least ten solutions. The old Time Machine backups would repeatedly appear in my Trash every time I connected the old drive, even though there was nothing on there anymore. On one occasion I trashed the old backup folder and then formatted the old drive before trying to empty the Trash. I have run into this problem a couple of times, and that’s why I’m sharing a solution that finally worked flawlessly. If you drag the old backup to the trash and try and empty it, you’ll likely see (after some time) a warning that says “ Some items in the Trash cannot be deleted because of System Integrity Protection“ It’ll find all the old backups and just pick up where it left off.īut what are you supposed to do with the OLD Backup.backupdb folder from the old Time Machine drive? Apple’s own support documents don’t mention this, and the plethora of other internet “guides” simply mimic Apples advice verbatim. Then open Time Machine and set the destination to your new drive. To move a backup you simply disable Time Machine temporarily, and then drag the Backup.backupdb folder to the new drive. Whilst Time Machine will automatically prune old backups to keep the total backup size within the limit of the drive you’re using, you could find yourself wanting to move the backup to a new larger drive to keep a deeper backup, or perhaps to a new and faster drive. THIS WORKS! Just read the stacks of comments below the post! The Cause In the end, the solution turned out to be pretty simple. In fact, even an senior Apple tech support engineer couldn’t wrap his head around it after an hour of trying things. This is a little off topic from my usual posts, but I want to make sure the information is out there because this problem was a MAJOR pain in the ass to solve.
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