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  • Invalid Drives appearing

    Hi
    2008 R2.
    I have 2 drive letters that are not connected to anything and causing me issues, namely hangs and slowness of the system.
    The server has a C: & D: drive, and E: for DVD.
    The problems drives are G: & H: - I cannot look at thier details as it just hangs and no idea where they came from.
    This server is a mirror setup to another (HA Cluster nodes) and the other server does not have these drives letters.
    I can't use 'Disk manager' as it hangs, I am guessing it it trying to get info from these drives.
    Any idea how I find what they are and how to remove them?
    Thanks
    Rob

  • #2
    Re: Invalid Drives appearing

    Also should say that 'diskpart' and Powersehll also hang.

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    • #3
      Re: Invalid Drives appearing

      Reboot in safe mode and try there?
      Tom Jones
      MCT, MCSE (2000:Security & 2003), MCSA:Security & Messaging, MCDBA, MCDST, MCITP(EA, EMA, SA, EDA, ES, CS), MCTS, MCP, Sec+
      PhD, MSc, FIAP, MIITT
      IT Trainer / Consultant
      Ossian Ltd
      Scotland

      ** Remember to give credit where credit is due and leave reputation points where appropriate **

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      • #4
        Re: Invalid Drives appearing

        They are not there in safemode.
        Need to find out what the OS thinks these drives are, could there be any info in the registry?

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        • #5
          Re: Invalid Drives appearing

          take it out of the cluster, see if the drives still appear ?
          Please do show your appreciation to those who assist you by leaving Rep Point https://www.petri.com/forums/core/im.../icon_beer.gif

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          • #6
            Re: Invalid Drives appearing

            Originally posted by tehcamel View Post
            take it out of the cluster, see if the drives still appear ?
            Bit drastic as it is a 2 node cluster.
            There must some info somewhere in the OS that maps the drive letter to what ever it thinks the pyhsical location is.

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            • #7
              Re: Invalid Drives appearing

              Also:

              Registry.
              HKLM\System\MountedDevices

              (Thats where it lives on XP, may be a slightly different path for 200


              that may tell you. For instance, I have:

              \DOSDevices\C: binary A1 42 a2 42 00 00 10 00 00 00



              Do you see te same drives if you log in as a different user?
              Please do show your appreciation to those who assist you by leaving Rep Point https://www.petri.com/forums/core/im.../icon_beer.gif

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              • #8
                Re: Invalid Drives appearing

                After leaving DiskPart trying to validate the local disks, it finally loaded after 30mins and then I was able to (very slowly) remove the mounts.

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                • #9
                  Re: Invalid Drives appearing

                  so they are reporting as local disks...?

                  Do you have san-attached storage ?>
                  Please do show your appreciation to those who assist you by leaving Rep Point https://www.petri.com/forums/core/im.../icon_beer.gif

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                  • #10
                    Re: Invalid Drives appearing

                    Originally posted by tehcamel View Post
                    so they are reporting as local disks...?

                    Do you have san-attached storage ?>
                    Dunno, the Volumes show as RAW.
                    iSCSI attached and the other node seems to have ownership of the SAN.

                    Even though drive letters have gone the volumes are still causing disk utils to run slow/hang so need to keep digging I think.

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