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Forum Discussion
Backblaze is backing up Smart Sync’d files
I turned on Smart Sync (in our business account) and it seemed to be working as promised, until Backblaze kicked in and started backing up all 1.8TB of our “online only” files.
What gives?
- When a file is marked as online only, if that file is accessed, Dropbox will download the file and mark it as Local. This is how you're able to open a file that's marked as online only.
Best guess, BackBlaze is trying to access the file to back it up, so Dropbox is downloading it and marking it as Local again. You'll probably need to add an exclusion in your backup set for those files/folders that are marked as online only.
- Rich
Super User II
When a file is marked as online only, if that file is accessed, Dropbox will download the file and mark it as Local. This is how you're able to open a file that's marked as online only.
Best guess, BackBlaze is trying to access the file to back it up, so Dropbox is downloading it and marking it as Local again. You'll probably need to add an exclusion in your backup set for those files/folders that are marked as online only.Ok, that makes sense.
I’ll add an exclusion rule for the affected folders in the Backblaze client, but I should probably contact them about this scenario. If nothing else, it’s something that Blackblaze users should be made aware of.
Thanks for the speedy reply.
I'm having a more severe case of this problem.
Backblaze seems to THINK it backed up my SmartSync files, but when I try to restore them from Backblaze those files are corrupt. I've tested this on a variety of about 5 different files.
This is a bad situation because I don't simply have a SmartSync folder that I can ignore, but I selectively keep certain files offline and others online based on my needs. Dropbox also has a setting to keep files online or offline depending on how recently you edited it. So for instance in any given folder some might be online and others might be offline, and in your backups you would have no way of knowing which are there and which are not.
I've been in contact with BackBlaze but so far still at the stage of helping them realize there is not just a single folder I can tell it to ignore. And also trying to get them to acknowledge that having files in the backup which appear to be full size and valid but that in reality are corrupt is not a great situation.
Ideally, they would be able to detect that a file is offline vs online and then give it special handling. They could either ignore it, or back up a stub and mark it as such in their system, or try to download and backup the actual file and only if successful represent it as backed up.
Does anyone know whether backblaze detecting it is feasilbe? For instance is there a flag of some sort that Dropbox sets (ideal!) or could they notice that the actual size on disk is different than the represented size. This information is available to the user, as shown in my screen shot, so I hope it would be available to Backblaze.
(edit: I'm not allowed to upload an image but you can see for yourself if you select Get Info in the Finder for a file which is smart synced to be offline)
Hi I'm having the same Problem on my Mac with the backup software "ChronoSync". Their support told me the same "make an exclusion rule for 'online only' files. My problem is: I don't know which file attribues define a files es 'online only'. In other words: which settings do I have to take in my rule so it detects the 'online only' files and ignores/skips them?
Thanks in advance!!!
