On: I nearly lost the Lightroom catalog with of all my...

[tonyedgecombe]

SMB has been rock solid for me, I haven't had a TM corruption in all the time I've been using it.

[simondotau → tonyedgecombe]

You are lucky. I've had occasional TM corruptions with SMB, AFP and local USB drives. Seems to be around one annually across five machines.

I've just checked my backups and based on the date stamps on .backupbundle packages, my last corruption via AFP was October 2019.

[jbverschoor → simondotau]

For me after a while it simply fails to finish a backup. It's horrible.