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Date:	Fri, 07 Nov 2008 13:06:21 +0100
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Subject:	Mount of VSS volumes (//?/GLOBALROOT/...) does not work
From:	"Christian Franke" <Christian DOT Franke AT t-online DOT de>
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According to
  http://sourceware.org/ml/cygwin/2007-05/msg00359.html
  http://sourceware.org/ml/cygwin-patches/2006-q4/msg00008.html
Cygwin includes support to mount a //?/GLOBALROOT/... path

But it does not work for me
(Tested on XP SP2 with 'vshadow -wait C:' running):

Cygwin 1.7.0-31:

# mount '//?/GLOBALROOT/Device/HarddiskVolumeShadowCopy1' /tmp/vss1

# mount
C:OBALROOT\Device\HarddiskVolumeShadowCopy1 on /tmp/vss1 type unknown
...


Cygwin 1.5.25-15:

# mount '//?/GLOBALROOT/Device/HarddiskVolumeShadowCopy1' /tmp/vss1
mount: /tmp/vss1: Invalid argument

Same when using '\' instead of '/'.


Workaround: Map VSS volume to a drive letter X:
(http://blogs.msdn.com/adioltean/archive/2006/09/18/761515.aspx)


Christian




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