I had exactly the same problem with one of my backup drives, though it was running on an iMac
that's older. Tried to fix it with Disk Utility and somewhere during the file analysis it
borked and said it couldn't continue. Then it wouldn't mount. It was effectively hosed, so I
took it over to my Chromebook and it mounted there just fine, though some of the files were
missing. So I reformatted it for the Chromebook.
Then I took it back to my Mac and it mounted and I was able to reformat for Mac. Very strange.
Lost the backups, but it started a new set. I still had the old backups on my second drive, so
not all was lost.
My thinking is that it was Disk Utility or the Finder database.
On 10/27/21 10:45 AM, Ralph DiMola via use-livecode wrote:
I am having problems with my new 2020 Mac Mini's USB ports. The new time
machine disk will only backup a gig or two before erroring out. Then the disk
is then is not mountable. All sorts of errors when trying first aid or trying
to mount it via first aid. Sent the disk back and the new one did the same
thing. I can init it on the win 10 system and then the Mac Mini sees it again.
I thought it was an unpowered USB-A hub issue. I then got the power supply for
the hub and same thing. I bought an USB-C hub and again same thing. Plugged the
Drive directly into the Mac Mini and same problems. My USB keyboard/mouse will
not work reliably using either the USB-A or C hub. It seems that the Mac Mini's
USB HW/SW is flakey.
Has anyone else seen/heard anything like this?
This is very annoying after dropping over a yard and a half on this thing to
replace my perfectly running Mac Book Pro so I could upgrade to Big Sur.
--
Jacqueline Landman Gay | jac...@hyperactivesw.com
HyperActive Software | http://www.hyperactivesw.com
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