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Dell EqualLogic Host Integration Tools for Microsoft Edition Version 5.4 Release Notes

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Incorrect Report of a Device as In-Use

Windows Server 2012 might incorrectly notify you that a device is in use when you try to log out from an iSCSI target. This issue can occur even though no application is using files on any volume associated with the iSCSI target.

Consequently, the relevant task wizards in Auto-Snapshot Manager (or ASMCLI commands) such as Unmount, Logoff, or Delete might display a Volume in use error.

If you encounter this problem and you are certain that no application is using the volume, you can select the Ignore option in Auto-Snapshot Manager or you can set the disk offline on Windows Server 2012 by using the following procedure:

CAUTION: Following this procedure (using either the ASM/ME GUI or the ASMCLI) when one or more files are in use might result in data loss or corruption.
  1. Identify the correct iSCSI target.
  2. Launch the command prompt by clicking StartRun, then type cmd.
  3. Enter diskpart at the Windows command prompt to display the DISKPART> prompt.
  4. Enter list volume to list all volumes known to Windows.
  5. Examine the column headed Volume ### and identify the volume (or volumes) associated with the iSCSI target.
  6. Enter select volume volume_name, where volume_name is the volume that you identified in the previous step.
  7. Enter offline disk to set the physical disk for the volume offline.
  8. Enter exit to close the diskpart menu.
  9. Enter exit to close the command window.

    After setting the disk offline, you can successfully log out from the iSCSI target using the iSCSI initiator GUI or CLI.


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