I've got a USB bus in the USB port on my Mini. I plug in an external drive for BUs. I also plug in a thumb drive for BUs. It all used to work. I upgraded to Sequoia a few days ago. Now the drives won't eject because something is using them. Tried logging out, powering down, etc. Nothing works except force eject. Has Apple got a bug?
Mac mini, macOS 15.1
I may have found a solution that doesn't involve erasing the drive.
Settings > Spotlight > Search Privacy > + add the external drive the exclusion list
This worked for me, but you need to manually add all external drives that you use.
Except, if the external drive is a Time Machine backup, you can't add it to the exclusion list... Now what?
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Nice work!
You are welcome
I did have a longer email conversation with the developer of CCC
In the end and sad to admitHad to Force Quit to dismount the CCC Drive
The Reformat that drive in DU
Create a New Task in CCC
Run the CCC application and presto and viola
Post completion of the ** - the drive could be dismounted
This was done using CCC 7.0.4 Build 8082
Yes, same here, have to reboot Mac in order to eject external pen-drives, physical drives or SSD drives. At least this bug has no prejudice! Also this reminds me when I tried to run Windows 3.0 using 9 floppy disks back in the day.
Just to reinforce that for those who are facing this problem, please run lsof:
1) On your Mac, press the Command-Space keys to open the Spotlight search
2) Type Terminal.app and press return. It will open the Terminal window
3) Type:
sudo lsof "/Volumes/your_external_drive_name"
It will show who is holding your drive. Big chance you will see mds and mds_store.
So this might be a macOS bug. If not, then investigate the listed apps.
Good luck!
Can't eject USB drive after Sequoia upgrade
