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Robocopy working differently on my new NAS

Discussion in 'Windows XP' started by BeachGuy, Jul 3, 2010.

  1. BeachGuy

    BeachGuy Flightless Bird

    I just installed a 1TB Netgear MS2110 NAS on my home network to replace the
    USB drive I had been using for nightly backups with a robocopy batch file.
    The USB backup worked fine, but was running out of space. The robocopy /MIR
    parameter ensured that only files that changed since the last backup were
    copied.

    Using the new NAS, robocopy seems to think every file, whether changed or
    not, is "newer", so it now recopies every file.

    Is there some additional parameter or something else I need to do so that
    robocopy will recognize and not recopy unchanged files?

    I sure appreciate your help, -John
     
  2. Pegasus [MVP]

    Pegasus [MVP] Flightless Bird

    "BeachGuy" <jhjacobsRE@MOVEmindspring.com> wrote in message
    news:etK1Q1uGLHA.1052@TK2MSFTNGP02.phx.gbl...
    > I just installed a 1TB Netgear MS2110 NAS on my home network to replace
    > the USB drive I had been using for nightly backups with a robocopy batch
    > file. The USB backup worked fine, but was running out of space. The
    > robocopy /MIR parameter ensured that only files that changed since the
    > last backup were copied.
    >
    > Using the new NAS, robocopy seems to think every file, whether changed or
    > not, is "newer", so it now recopies every file.
    >
    > Is there some additional parameter or something else I need to do so that
    > robocopy will recognize and not recopy unchanged files?
    >
    > I sure appreciate your help, -John
    >


    Have a look at these two switches:
    /FFT :: assume FAT File Times (2-second granularity).
    /DST :: compensate for one-hour DST time differences.
     

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