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Microsoft KB Archive/101702

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Knowledge Base

Problems Booting from Shadow Set Secondary Member

Article ID: 101702

Article Last Modified on 11/1/2006


  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows NT Workstation 3.1
  • Microsoft Windows NT Advanced Server 3.1
  • Microsoft Windows NT Server 3.5
  • Microsoft Windows NT Server 3.51
  • Microsoft Windows NT Server 4.0 Standard Edition

This article was previously published under Q101702

Under normal circumstances, if the primary member of a mirror set fails, the Windows NT filesystem (NTFS) marks the member as bad and does not attempt to use it. However, if you power down the primary member and boot the system from the shadow (secondary) member of the mirror set, NTFS does not mark the primary member as bad and the data on the primary member does not include any changes made to data on the shadow member.

If this occurs and you restore power to the primary member and reboot the system, inconsistent data and other problems may occur.

Additional query words: prodnt

Keywords: kbother KB101702