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Forum Discussion
Missing sparse bundle?!?
I've been using my Pioneer to backup my Mac Mini using Time Machine for a few months now. I think this support is awesome. But I'm afraid you are going to tell me there is a nasty bug... I just d...
Be aware that OSX does not reference files by name, but by a "Catalog Node ID" - effectively an ID number.
This way if a file is moved within the file system or *renamed*, as the ID does not change it will still be properly referenced by any applications that use that file. The AFP service on the ReadyNAS replicates this functionality for network shares - maintaining a hidden CNID database in the root of the share- and so it appears that via this TM reused the same sparse bundle as before.
The only way to prevent this in future is to move the relevant data/file/sparsebundle to a separate share as there is one CNID database per share and so moving the data to a new share would remove all references to it from the original share
As for removing the last backup from a copy of the sparse bundle - there is little point as the sparse bundle will have increased size to accommodate the backup - removing that does not cause the sparse bundle to shrink
This way if a file is moved within the file system or *renamed*, as the ID does not change it will still be properly referenced by any applications that use that file. The AFP service on the ReadyNAS replicates this functionality for network shares - maintaining a hidden CNID database in the root of the share- and so it appears that via this TM reused the same sparse bundle as before.
The only way to prevent this in future is to move the relevant data/file/sparsebundle to a separate share as there is one CNID database per share and so moving the data to a new share would remove all references to it from the original share
As for removing the last backup from a copy of the sparse bundle - there is little point as the sparse bundle will have increased size to accommodate the backup - removing that does not cause the sparse bundle to shrink
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