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What is the “Not Mounted” disk?

Have a look at the pic.  I have a USB SSD with a few partitions on it and see this “not mounted” volume.  Any idea as to what it is and how to remove it?  

 

Thanks

 


Posted on Oct 7, 2023 12:22 AM

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Oct 7, 2023 9:43 AM in response to ChangeAgent

With APFS formatting, a Container is what was called a partition in HFS+. A physical drive can have one or more containers. Within any container you can have one or more volumes ... similar to HFS+.


So to get clarity, is this external drive formatted as:

  1. A single container with multiple volumes, OR
  2. Multiple containers with one or more volumes each?


A better "view" would be to use the following command in the Terminal app: diskutil list external

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Oct 10, 2023 9:19 AM in response to ChangeAgent

Nothing to be sorry about. Just wanted to make sure I know how your drives are formatted. While I get a chance to dig into this, what version of macOS is your Mac running?


The only physical external drive I see here is disk8. I am assuming that this is NOT the USB SSD you are referring to ... correct? The others appear to be images. Not exactly sure what you did here.


... and are you only interested in what is going on with the disk7's Container as per your images provided?

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Oct 12, 2023 2:26 PM in response to ChangeAgent

Ok, that explains the numerous volumes on the synthesized disk9, on the physical, external disk8.


I am familiar with ChronoSync, by name only, and have no personal experience with using it or how it works with drives. As such, I'm afraid that I can't answer your original question about disk7.


Maybe someone else here, with ChronoSync, will chime in to assist you with this.

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What is the “Not Mounted” disk?

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