SSD Drive holding Lightroom Files has fetching permission error - OS X - can't access images

Question

I'm using the latest versions of Lightroom Classic (10.2) on an iMac running OS X Mojave 10.14.6.

My Lightroom folders are stored on an external SSD drive. When I am home, I use Lightroom on my iMac (running Mojave [necessary as I need to use a few legacy apps for work] using this SSD for storing my images. When I travel, same SSD drive is used on my MacBookPro (running latest version of Big Sur).

On my iMac: as I drill down into the external drive folder hierarchy for Lightroom, I find my subfolders for Lightroom Image Folder are locked and show a red circle with white bar. Permissions show "fetching" rather than my Administrator permissions. The drive itself has unchecked in its permission panel "ignore ownership on this volume". Also, the permissions at the top level of Lightroom are correct, i.e. I'm listed as Administrator with read & write permissions. It's only when I get to the Lightroom Image Folder that the permissions are incorrect. If I select "apply to enclosed items" for the correct permissions, nothing changes at the subfolder level. I could manually change those subfolder permissions from fetching to my adminstrator name then apply to enclosed items, but the subfolders below that level do not change after applying changes.

The drive is formatted: Mac OS Extended (Journaled). Scheme is GUID Partition Map. Size is 1TB.

Perhaps using this SSD drive on multiple machines is causing the permission confusion. Looking for a solution here. Appreciate any help. Thank you.

Jao vdL · Accepted Answer

>The drive itself has unchecked in its permission panel "ignore ownership on this volume".

You actually probably want to have this checked. Having it unchecked can indeed cause permission issues when switching a drive between computers if the user ID of the user you are using on the two computers is not identical. Also if you go between a very old and a newer version of Mac OS X, you might have permissions problems because of the way Apple has changed file security recently. Probably not an issue here but still better to avoid.

Also how have you formatted the disk? Hopefully it is a Mac format like HFS+ or APFS and not something like NTFS.

GoldingD · Answer

Does the EHD have the same name on all computers?

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