@softraid-support Yes, I created an APFS volume on the Thunderbay 4 under Big Sur and everything now seems to work well with Time Machine. I'm n...

Well, that seemed to do the trick. I created a volume as APFS and then added to Time Machine. It ran as expected from a locally attached computer. ...

I'll try that tonight and let you know. Thanks.

I finally had time to try this again. Time machine ran for over 24 hours, still preparing a backup before I forced it to quit. I rebooted, deleted t...

@softraid-support They were created as HFS volumes. The local destination just stuck on preparing backup, the shared volume failed with the laptop ...