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SyncBackPro (commercial) • Re: Versioning to a USB drive that is only periodically available

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Neurone wrote:
Its a bit trickier for the external HD - what does SyncBackPro do if the device isn't connected?

By default it will error out with 'Drive not found' error (and log the fact), as you might expect.

There's an option in Modify -> Expert -> Copy/Delete -> Advanced to 'Silently fail...' if the Destination cannot be reached. If so, the Result (entry in Result column) will blank (because last Result entry may no longer apply, but it isn't a Success, but you've told it not to record an Error, so...), and no log will be created, though the LastRun value in the UI will increment as a clue. (Note: it's up to you - if you use this option - to remember this setting is in force; it can cause confusion if clicking Run seems to do nothing, because the drive is connected but not powered, for example)

As for triggering, you may want to consider setting the profile to start when the drive is next connected* (When -> Insert) in addition to the When -> Changes setting you may have now. This will immediately bring the ext drive up to date to match the current state of the Source. There's no caching of changes in the meantime, though, so you will have lost any in-between changes (because you didn't copy them to the ext drive, and they successively overwrote themselves on the Source). For a given changed file, on resumption of traffic to the ext drive, a profile will Version any copy currently on the ext drive and replace it with a copy of the edited file currently on the Source. Any interim changes (before the last one) while ext drive was disconnected will not be stored anywhere (except maybe with DropBox).

If you deleted a long-standing file by mistake, you should be able to retrieve a copy from the ext drive when next connected (if you can't from DropBox?) but the most-recent copy available will be the last copy transmitted to it before you disconnected it. If you create a file while ext drive disconnected then mistakenly delete it before re-connecting, there won't be a copy on the ext drive, nor on the PC. Hopefully there will be on DropBox.


* make sure Pro is running first or it won't trigger...

Statistics: Posted by cliffhanger — Mon Jun 06, 2016 4:39 pm



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