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Vista Caching CD Data

Discussion in 'Windows Vista' started by FatherCrowe, Mar 24, 2010.

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  1. FatherCrowe

    FatherCrowe Thread Starter

    Joined:
    Mar 31, 2005
    Messages:
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    This is the problem I have:

    On Windows Vista Business machine.
    I have created 4 identical CDs. They all have the same volume label.
    I'm not sure about any possible serial number that I have heard people talk about.

    I became uncertain about whether they had all been created properly and decided to check them one at a time in the same drive.
    After doing a file comparison of the 1st CD against the same set of files on the hard drive, I put the 2nd CD in the drive and did the same file comparison.
    Instead of it taking a couple of minutes, it took about 10 seconds, which makes me think that Vista is caching the CD contents somewhere,
    and when a CD with the same volume label is inserted it assumes it is the same CD and just uses the cached contents.
    If I reboot the machine and try the 2nd CD again, the file comparison takes about 2 minutes again, which you would expect, since rebooting is going to clear the cache.

    Although Googling this gave me a couple of people with the same problem I can't find any info on the caching, and in particular, on how to turn it off.
    I don't think this has anything to do with the "Write Caching" which I did find in the DVD drive properties.
    Does anyone know how to turn this caching off?

    Many thanks in advance....:)
     
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