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Recover Deleted Videos Ready Nas104
Hi, I really hope somone out there can help. I just inadvertently deleted 20TB of video from my ReadyNas 104. I am using OS X 10.10.5 is there any way to retrieve? Thanks, Jim
Bit-rot protection (is a separate thing to CoW but we link enabling/disabling the two). Snapshots use CoW at the point in time snapshots are taken.
These features can be useful, but they should only be used where appropriate. If you make a huge number of changes in place to files then CoW (Copy on Write - where changes to files do not overwrite the existing data) will lead to a large amount of fragmentation.There are scripts that can be run to attempt to undelete deleted files, but certainly one can't rely on these. The highest chance of success is where you notice immediately the mistake and cease writing to the NAS. When you write new files to the NAS (or modify existing ones) you will start to overwrite deleted data.
Did you delete an entire share folder from the UI or did you delete a subdirectory or what?
Deleted a subdirectory of Videos.
Did you have bit-rot protection enabled on the share the files were in?
No, but I will look into this.
If you can get the files again, that would probably be best in this situation
I can get them again.
I only configured the snapshot after the fact :(
I have commenced downloading the files again.
Thanks for your advice, I will do a complete study of backup options for the future :) I do have another Ready NAS 104 that is full, that's about 20TB so backup is essential....
Bit-rot protection (is a separate thing to CoW but we link enabling/disabling the two). Snapshots use CoW at the point in time snapshots are taken.
These features can be useful, but they should only be used where appropriate. If you make a huge number of changes in place to files then CoW (Copy on Write - where changes to files do not overwrite the existing data) will lead to a large amount of fragmentation.
There are scripts that can be run to attempt to undelete deleted files, but certainly one can't rely on these. The highest chance of success is where you notice immediately the mistake and cease writing to the NAS. When you write new files to the NAS (or modify existing ones) you will start to overwrite deleted data.
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