My worry with using an “older” hard drive when travelling is you may be setting yourself up for trouble. A more robust SSD for travel seems a safer bet IMO.Thank you all for sharing your strategies. It seems like the way to go is to have a travel drive for that trip's photos and then import into the main LR catalogue when I get home. On trips, I do culling, but not much editing, since my laptop screen even though 16", is too small for details for these old eyes. I've been avoiding the importing step and possibly screwing up my main catalogue by carrying my primary storage drive, and on longer months-long trips a backup drive with me, but that risks too much. I've been lucky so far. I think I'll get a 10tb desktop drive for home and repurpose my 5tb WD or an older and smaller LaCie for travel. If you see any holes in this thinking please let me know. Again thank you. It's much appreciated.