2.2.1.3.2 VolumeGUID Generation

VolumeGUIDs (Volume Globally Unique Identifiers, or volume identifiers, see also [MS-DTYP] section 2.3.4) are generated on SMB servers. The generation of VolumeGUIDs MUST satisfy the following constraints:

  • The VolumeGUID MUST be a 128-bit opaque value.

  • The VolumeGUID MUST be unique for a logical file system volume on a given server.

  • The VolumeGUID for the volume can change while the system is running. The VolumeGUID can change when the system is restarted.

  • All possible values for the VolumeGUID are valid.

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