Same problem here..please help!
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So, if the OS seems to recognize the SSD correctly as a Fixed external SSD, and everything was correctly working for years, what could be the problem? How can I fix it?
This may be due to an OS X upgrade. The preferred format for internal and external drives is now APFS.
Backup the SSD drive data to and format it to APFS. It can't say for sure it will fix this LR issue, but it's worthwhile change.
thanks for the hint, I'll also try to do that, I'm short of ideas and definitely try this too.
Just to double-check, can you copy files to the external SSD using Finder since you did the Mac OS upgrade? Perhaps Mac OS thinks the volume is read-only.
thanks all for the reply, I've actually fixed updating do MacOS Mojave, after the update the external SSD is recognized (without formatting or other changes).
Thanks a lot for the help!
I've actually fixed updating to MacOS Mojave,
What went wrong with the update? (I'm waiting for the .1 release.)
Glad you got it resolved.