I think Backblaze only stores 30 days of revisions anyways, so to migrate you only have to maintain two backup service subscriptions for a month. And you might

I think Backblaze only stores 30 days of revisions anyways, so to migrate you only have to maintain two backup service subscriptions for a month. And you might want to do that anyways since if you have a lot of data, it might be weeks before you get all of your backups on the second service.