Combining 4-5 desktop discs into one contiguous disc

I've wound up with 5 discs visible on my desktop with the same name, differentiated by a number at the end of each name, and they are all parts of the same physical volume. How do I re-assemble them into one desktop volume? I know it can be done, but I've forgotten how.

Mac mini, macOS 14.0

Posted on Oct 15, 2023 9:23 AM

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3 replies

Oct 16, 2023 9:06 AM in response to leroydouglas

Hello, Leroydouglas, yes, it's the same old issue but worse, and I managed to fix it this morning by digging up that original exchange and following the suggestions. In brief: Use disk utility to select each container disk, erase it, then do the same with any disks left over. Because I used "erase", as you suggested then, rather than "partition", Gradually 5 were reduced to 2, then 1, which is the outcome I hoped for. Thank you for the help then, and for your willingness to help out again.

Oct 16, 2023 9:36 AM in response to Birck Cox

Birck Cox wrote:

I managed to fix it this morning by digging up that original exchange and following the suggestions.

In brief: Use disk utility to select each container disk, erase it, then do the same with any disks left over. Because I used "erase", as you suggested then, rather than "partition", Gradually 5 were reduced to 2, then 1, which is the outcome I hoped for. Thank you for the help then, and for your willingness to help out again.


Thanks Birck Cox— I have no reference to the "original" which you are referring...


but I am pleased to hear it resolved your issue.

Oct 16, 2023 8:55 AM in response to Birck Cox

Birck Cox wrote:

I've wound up with 5 discs visible on my desktop with the same name, differentiated by a number at the end of each name, and they are all parts of the same physical volume. How do I re-assemble them into one desktop volume?

I know it can be done, but I've forgotten how.


old issue, new issue, what changed?


How is this drive formatted?


Are these separate partitions, containers, or volumes..


What do you see here from the Terminal.app

diskutil list external

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Combining 4-5 desktop discs into one contiguous disc

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