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After upgrading to Catalina I am getting this error from the Time Machine backup app:
"Two os the disks to back up to have the same name. Rename one of the disks named "Macintosh HD-Data". Does anyone have an idea why this is happening and how to correct this error to get ™ working again? Thanks!
I had this same problem. I installed the beta of Catalina back in June, but then decided against that and did a clean install. Then this month, I installed the release version of Catalina. So I also had two Catalina installs and two "Macintosh HD - Data" partitions. Here is how I solved the problem:
Please note: I am not an expert in APFS and it's entirely possible deleting that partition is going to cause me problems down the road. So if you do this make sure you're comfortable deleting a partition. Cheers!
Hi there - can you please let me know the steps you did to add the number 2? Thanks!
Thanks but I don’t understand, what’s your mean about “number 2” is? Can you explain it, please?
Could you please explain how you fixed it by adding a number 2 at the end of the other disk? I can't work out how to do it!
Same problem here. Apple should fix their software.
I am also getting this on my iMac. This is a problem.
Point of fact, updating to 10.15.1 does *not* correct this problem. I am on 10.15.1 and this problem persists.
I had the same problem, tried your solution, and it seems to work without any ill effects to far :)
Time Machine error with Catalina
