Best way to test External Hard Drives?

Discussion in 'Mac Accessories' started by photosmike, Feb 5, 2015.

  1. photosmike macrumors member

    Mar 10, 2010
    I need advice. I use the Disk Utility in OSX to verify my External HDs. The hard drives have always shown as verified. I have backed up to them using CCC several times.

    Recently I tried to move files using Finder and CCC. The moves stopped with a message that data errors were encountered.

    I am surprised that CCC did not warm me of any problem when I made the previous backups. If the problems are with the HD, shouldn't Disk Utility have warned me?

    Is there a better way to determine the condition of my HDs than the Disk Utility?

    Thanks for any help.

  2. matreya macrumors 65816


    Nov 14, 2009

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