Oh dear! Can you retrieve that deleted backup? It’s always a good idea to keep at least … well the rule is 3 copies of backups (the 3-2-1 rule), but minimum 2.
Anyway, if the new backup is missing some older data, you can often trigger minor changes to the data by browsing back through the timeline view by day. That will then mark those items as due for backup again. Though for Place files… that’s more difficult. Those will only get marked as due for backup if the Place has changed in some way, which typically only happens when being assigned to a Visit. Hmm…
Unfortunately I can’t think of a good way to get places marked for backup again. Starting a fresh backup (turning backups off and then back on) should mark everything as due for backup, but that’s actually quite a long/slow process (it needs to update every row in the entire database), so there’s risk of it not completing if it’s a large database. Which is probably what happened in this case.
I would say do the swiping back through days in timeline view, to at least mark all the timeline items as due for backup. Then possibly that will help fill in some missing Place files too.
I recently downgraded my iPhone from iOS 26 back to iOS 18. I initially tried to retrieve my Arc data using its built-in restore function, but it kept crashing every time on certain files. I then used iMazing to get my data back.
I have all my data on my iPhone right now, but the LocomotionSample folders in Previous Backups XXX folders are all empty, and there are only 11 items in Arc App/Backups/LocomotionSample folder. And the app is still saying that last backup completed a long time ago—now 16 months ago.
@bmusgi Hm, that’s not great on the backups! Though from what you’re saying, as I understand it, you used iMazing to get your previous database back in, so all the data is back there in Arc? So at least the data isn’t lost?
Which means the problem is that Arc isn’t managing to get a full backup done?
Yes, all my data is there on my iPhone, the issue is it’s not being backed up to iCloud. I frequently backup my iPhone to my MacBook to ensure that no data is lost.
Ok, I think I’m going to do some work on the backup system in the next Arc Timeline update. There’s got to be a way to make it faster and more likely to complete each day.
Although I’m also playing with an alternative plan. Arc Editor’s new export system is better than old Arc Timeline’s backups system in a bunch of ways, and is also faster. I might backport it to Arc Timeline. Though that idea isn’t fully formed yet. I’m not sure if it’s actually a good idea or not.
Anyway I’ll work on it for the next Arc Timeline update in one way or another!
