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How to Force Eject an external drive in Catalina, 10.15?
Posted by: RAMd®d
Date: January 12, 2022 08:03PM
Holding the Option key doesn't seem to bring up the usual Force Eject menu.

I'm having trouble with a Drobo drive that may have incurred directory damage during a power failure today.

It won't unmount so, I can't run Disk Utility and DiskWarrior.

It won't unmount so I can run Disk Utility and DiskWarrior.

If I can FE it, I might be able to run DU and DW.

I may have to put Cat on an external so I can run DE on the boot drive.

The mini (2018) won't restart or shut down via the menu or keyboard commands, but force restarts and shutdowns haven't helped at all.

Just before this happened, I started to update to 10.15.x for a security and Safari update, and that finally kicked in.

I'm staring at a black screen with the logo and progress bar at about 5%, and it hasn't moved in the last 20min.

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Re: How to Force Eject an external drive in Catalina, 10.15?
Posted by: Tiangou
Date: January 12, 2022 08:22PM
1. The option key has nothing to do with it. If the Finder detects that a drive didn't unmount when you send an "eject" message, it will prompt you to ask whether you want to force-eject the drive. If you don't get the prompt and the drive remains mounted then you've got a problem.

2. Disconnect the data-cable between the Drobo and your computer. If the lights on the Drobo go off then it's probably okay and just temporarily glitching. If the lights on the Drobo stay on then it's malfunctioning and you're at significant risk of data-loss.

Most likely, you will need to power-cycle the Drobo to bring it back up properly either way. Which means (after disconnecting from the computer) either disconnecting the power cord or pressing and holding the power-switch-toggle for a few seconds, depending on the model.

...Drobos are short-lived as a rule, and the company has been struggling for the last 3 years or more. If there's a hardware issue with your Drobo, it's probably at the end of the road.

How are your backups?

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