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267 posts

Ultimate Geek
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  Reply # 1008203 18-Mar-2014 16:37 Send private message

Robocopy with the /MIR option?   http://technet.microsoft.com/en-us/library/cc733145.aspx



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Ultimate Geek
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  Reply # 1008207 18-Mar-2014 16:38 Send private message

nzkc: Robocopy with the /MIR option?   http://technet.microsoft.com/en-us/library/cc733145.aspx




Based on my experience, Robocopy does not do file integrity checks, only name/date/size etc.




2418 posts

Uber Geek
+1 received by user: 23


  Reply # 1008234 18-Mar-2014 17:29 Send private message

Sorry guys, a little more complicated than meets the eye :) 


Data was copied like this and is already completed. 

Machine 1 > Compressed into multiple Zip files > moved to External USB Hard drive > Decompressed from ZIP onto Machine 2


Now we just need to make sure that Machine 2's files and folders  structure matches that of Machine 1 and find out if there are any gaps.

There is NO network connection between them, and there can NEVER be a connection. (requirement of project)


Free file sync looked good, but required access to both locations.








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  Reply # 1008244 18-Mar-2014 17:34 Send private message

Just a thought.  Does the database not store a reference to every file (and possibly a filesize and/or checksum)?  If so why not use that to validate the files?

708 posts

Ultimate Geek
+1 received by user: 21


  Reply # 1008385 18-Mar-2014 20:34 Send private message


There is NO network connection between them, and there can NEVER be a connection. (requirement of project)


Just to clarify more, do you mean they can never be on the same LAN? What about just the two machines with a simple network switch? Or even a direct connection between NIC's (I know there is a way to do this but I cannot remember the details).

Otherwise the quickest and probably the most certain is the hashing option suggested before. You can hash the ZIP files on both machines, then hash all files and push the results into a txt file (so you will have filename and hash value).  Then run COMPARE from the command line on the two files.  You should be able to do all this, excepting the HASH, using tools in the Windows OS.

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