DmDiag Syntax
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DmDiag uses the following syntax:

dmdiag [/v] [/f FileName]

Parameters

/v

Outputs verbose information. Verbose output includes the following fields: Computer Name and OS Version, LDM File Versions, Mount Points, Drive Letter Usage, Drive Type, Dynamic Disk Information, LDM Volume Information, Device objects, DMIO Kernel List, LDM Disk Header HarddiskX, LDM Disk Config HarddiskX, LDM Disk KLOG HarddiskX, DMAdmin Simple Query, and DMAdmin Verbose Query.

/f FileName

Specifies the filename for the output file. If omitted, the filename defaults to dmdiag.txt

Notes

• By default, DmDiag output includes the following:

  Field	Description
  Dynamic Disk Information	Displays the disk group name and ID as well as the list of dynamic disks belonging to the group. For each disk the disk extents and the volumes to which these extents belong are displayed.
  LDM Volume Information	Displays the list of dynamic volumes. For each volume the disk extents are displayed.