Thanks for the info, but i think the example that you stated, the 10gb that 
shrunk to 1gb, is this backup? or shld i say restorable? 

Some one email me saying that the file that flag out this error might be 
corrupted. I guess these error files in that backup image will not be 
restorable.

But i'm trying to understand this.
I know before backup starts, NBU will compile the backup list.

Question, given the below filelist
/export1
/export2
/export3

I notice NBU will backup /export1 first followed by /export2 and so on,
does NBU take a snapshot of the file inside the directory one by one or as a 
whole? Cos if the filesize change from 10GB to 1GB, it needs to compare the 
actual file will the snapshot file. Correct me if i'm wrong

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