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chuckd83 Author

Level 1

8 points

Accidentally made two volumes or partitions from the same new SSD

Hi,

I installed macOS Mojave on a new 1 TB SSD and must have somehow made two volumes or partitions with the same SSD. Under disk utility it shows this:

Time Machine will not work because "Two of the disks to back up have the same name". I can unmount the second one that shows 276.65 GB greyed out and everything is fine and Time Machine works. But on restart, it goes back to giving me an error.

Is it ok to "Erase" the second drive? Or should I click the minus symbol above Volume?

Mac mini, macOS 10.14

Posted on Oct 23, 2022 1:55 PM

Top-ranking reply

BDAqua

Level 10

245,165 points

Posted on Oct 23, 2022 2:21 PM

If you have a good backup I'd use the -minus icon, or better yet...

Boot into Restore Mode, In the Disk Utility app on your Mac, choose View > Show All Devices, In the sidebar, select the top entry for a disk, then choose Erase.

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Accidentally made two volumes or partitions from the same new SSD

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