fixed : “No Volumes Found in backup”-error

Question :

I was trying to get Migration Assistant-app to put all my data on my new Mac, but when I select the sparsebundle backup-file from Time Machine in Migration Assistant, I get an error : “No Volumes Found in backup”.

How can that be ? I’ve made a new TimeMachine-backup just minutes before, and I didn’t get any errors there… what is wrong ?

What can I do to fix this ?

Answer :

Time Machine is great. But there seems to be a bug in the backup-software that causes this “No Volumes Found in backup”-error you’ve encountered. Normally, this error-message should only be displayed when a sparsebundle backup-file is corrupt (for some reason), but it turns out that it is now also displayed when a sparsebundle backup-file is incomplete…

This is probably due to a disconnection from the backup-disk during the TimeMachine-backup process (for instance because of shutting down the Mac, or switching from WiFi- to Ethernet-connection or vice-versa, during backup).

If the original files are still available on your Mac, the solution is rather simple : just go back to your Mac and use Time Machine to make a new backup. If you want extra insurance to prevent this error, either make a new Time Machine backup to a new/fresh harddrive (preferable an external USB- or FireWire-harddisk), or follow the backup-routine outlined in this post.

If the original files are no longer available on your Mac (e.g. your Mac is stolen, sold or you’ve just done a clean install on it, wiping off all of it’s data), you are in trouble…

…in that case, you could try using Disk Utility to repair the sparsebundle-file. If that works, you are in extreme luck… if that doesn’t help, you have very few options other than using the Terminal-app or a specialized expensive retrieving app like DiskWarrior (the cheaper knock-offs turn out not to work in most cases… too bad…).

I will be posting instructions on how to use the Terminal-app for this shortly (in a new post).

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