Shadowcopy volume block devices

[Micky]

Seems like the latest Cygwin made some progress in automounting and
accessing the VSS volumes. i.e. under
/proc/sys/Device/HarddiskVolumeShadowCopy
But it doesn't let you access the volumes as block devices. The w32
name space paths like "\\.\HarddiskVolumeShadowCopy" can be accessed
at cmd.exe but not in Cygwin.

I am running dd.exe to dump a VSS volume with aforementioned path and
it works fine at CMD but not at Cygwin terminal.

So, is there a way to access VSS volumes as block devices in Cygwin?

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