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What does DR4 mean in the following message: The device, \Device\Harddisk4\DR4, has a bad block.

Answered What does DR4 mean in the following message: The device, \Device\Harddisk4\DR4, has a bad block.

  • Friday, November 16, 2012 6:48 PM
     
     
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    Can anyone tell me what "DR4" means in the following Event Log message: "The device, \Device\Harddisk4\DR4, has a bad block."?

    A year or so ago, this disk (Harddisk4) experienced a head crash when I dropped it a few inches.  I repartitioned it into two partitions of 145GB and 320GB and use the first partition as my C: drive.  I know the second partition has many errors.  If "DR4" means the second partition on drive 4, then there is no problem, but if it means the first partition, there is a huge problem.  So, does anyone know what "DR4" means or where to find out?  I have searched and searched and can find no information on this error message.

    Charles H Elliott

     

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  • Friday, November 16, 2012 9:26 PM
     
     
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    Do not research faulty disk, just replace it.

    Regards

    Milos

     
  • Friday, November 16, 2012 9:36 PM
     
     
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     "Milos Puchta" wrote in message news:b46c2d23-6c07-4087-8816-cef37f454397@communitybridge.codeplex.com...

    Do not research faulty disk, just replace it.

    +1!
    Drives are not all that expensive to be risking losing everything to save a buck.

    Go to Start and type in disk management and select the (probably) top item, "Create and manage disk partitions." Are any of your partitions named DR4?

     SC Tom

     
  • Saturday, November 17, 2012 3:06 AM
     
     
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    Milos Puchta &  SC Tom:

         Thank you for your help.  I purchased an SSD, it should be here tomorrow.  My girlfriend, who has shepherded me through a PhD program (by carrying messages from the faculty) in Computer Science for lo these many months, insists that I should never let something go by me that I don't understand. So, I have to find out what D4 means.  Some people have D0, some D2; it must mean something.

         All my partitions have either the drive letter or the motherboard name for which they are the C: drive as their name/label.  On the drive with the problem, the first partition is GA-EX58-UDR3 and the rest is raw, just blank, with no name.

    Thanks again,

    Charles H Elliott


    • Edited by CHElliott Saturday, November 17, 2012 3:18 AM
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  • Saturday, November 17, 2012 3:26 AM
     
     
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    You're welcome, but I'm sorry I couldn't answer your question.

     SC Tom

     
  • Sunday, November 18, 2012 7:10 PM
     
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    WinObj (from the SysInternals website http://technet.microsoft.com/en-us/sysinternals/bb896657.aspx) indicates that DR4 is a synonym of HardDisk4 and the device name.  \Device\Harddisk4\DR4 is a symbolic link to partition 0.  Partitions 1 and 2 have symbolic links \Device\HarddiskVolume17 and 18, respectively.  Hence DR4 refers to the whole disk, where many errors are expected.

    Charles H Elliott

    • Marked As Answer by CHElliott Sunday, November 18, 2012 7:10 PM
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  • Monday, November 19, 2012 2:11 AM
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    Hi,


    Thanks for sharing. We really appreciate your time and efforts. Hope your experience will help other community members facing similar problems.


    Regards,

    Vincent Wang

    TechNet Community Support