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Archival headache

by jagsrao / December 27, 2009 2:44 PM PST


I had archived some data on a dvd about a year back. Now I find that the data could not be read completely. I had picked up the data from a Linux based CVS Repository and also from a Windows XP based system. How do we verify the data if they are correct? I give below 3 of them. More comments required.
1. While copying the data into a DVD, we can use "Verify" option of the tool that is being used to transfer data. Ex. Nero Burner.
2. A CRC can be generated for each file and compared after the data is transferred
3. After the data transfer, the same can be copied back to an alternate location
4. Since the files are in a compressed mode (.zip / .tar), they zip tool can check the files for any issues.

Is there any fool proof way to do this ?




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Collapse -
Go get your other copies and compare those.
by R. Proffitt Forum moderator / December 27, 2009 10:50 PM PST
In reply to: Archival headache

Please don't tell me this is the only copy.

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yes and no
by jagsrao / December 28, 2009 11:49 AM PST

Yes And No.

Unfortunately, the DVD is the only copy of the archival.

Fortunately, we have data backup on the Hard disks also. Only thing is we need to dig to get them.

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