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External USB HDD with odd behavior. Is it failing?

I've been using robocopy (windows command line program) to do my internal storage HDD backups for a couple years now. I've been mirroring the internal storage drive to the usb 'Western Digital My Passport ' 1TB drive.

All of a sudden I noticed this error in the logs:
2014/10/29 13:31:20 ERROR 483 (0x000001E3) Copying File X:\Data\alt.Desktop\backups\Windows\Tutorials\Other\PHP.MVCexample.avi
The request failed due to a fatal device hardware error.

Waiting 2 seconds... Retrying...


Afterwards in the log, the retry was a "success." I tried to open the video file on the portable HDD to check it out. It began playing when i opened it, but any time I tried to seek to another point in the video, the video player would crash. This problem does not exist on the source video.


CrystalDiskInfo says all the drives are "Good" health.


How can I determine which hard drives are having issues?

Another post I saw indicated that USB HDDs can't make use of S.M.A.R.T. drive diagnostics and said that those readings would be useless for an external drive. If that is the case, how can I know whether or not my usb hard drive is working correctly?

Thanks in advance.
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  1. Best answer
    Hi there xioSlayer,

    Even though you have already tested the drive, I would advise you to run WD's Data Lifeguard Diagnostic tool. Usually, bad sectors could be a causing this. Apart from that, you can do some simple troubleshooting steps like changing the USB cable.

    WD's DLG tool: http://support.wdc.com/product/download.asp?groupid=810&lang=en

    Hope this will help,
    D_Know_WD
  2. D_Know_WD said:
    Hi there xioSlayer,

    Even though you have already tested the drive, I would advise you to run WD's Data Lifeguard Diagnostic tool. Usually, bad sectors could be a causing this. Apart from that, you can do some simple troubleshooting steps like changing the USB cable.

    WD's DLG tool: http://support.wdc.com/product/download.asp?groupid=810&lang=en

    Hope this will help,
    D_Know_WD


    Ok I have downloaded the tool and I'm running the "Extended Test." Estimated time remaining: 100+ hours....

    I guess I'll be back in 100 hours...


    UPDATE: "Too many bad sectors detected." From the WD lifeguard application. I seem to have a high failure rate with my WD products when compared to my other drives like the Samsung ones...

    The plural of anecdote isn't data though I suppose. Now I need to blow another 100 bucks on a drive so I can ensure that my data is safe.
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