X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org MIME-Version: 1.0 In-Reply-To: <20081107150802.GX6478@calimero.vinschen.de> References: <1KyQ6X-0Eq5dw0@fwd11.aul.t-online.de> <20081107131108.GS6478@calimero.vinschen.de> <1KySWS-1YxwGG0@fwd02.aul.t-online.de> <20081107150802.GX6478@calimero.vinschen.de> Date: Fri, 07 Nov 2008 16:34:21 +0100 Reply-To: "Christian Franke" To: cygwin@cygwin.com X-UMS: email X-Mailer: TOI Kommunikationscenter V9-2-23 Subject: Re: Mount of VSS volumes (//?/GLOBALROOT/...) does not work From: "Christian Franke" Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Message-ID: <1KyTLp-1iqKB60@fwd11.aul.t-online.de> X-ID: VaCyLOZHwhreUurfQwpfKrpUwPOdv8eXGA38lF3xkaFte0lg3UOdvWEikUDAHpvge6@t-dialin.net X-TOI-MSGID: 0ce5079d-824e-4066-9956-954c1b1d37c1 X-IsSubscribed: yes Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.com Corinna Vinschen wrote: > On Nov 7 15:41, Christian Franke wrote: > > > > The access to the path works, except the access to the root dir of > > the volume. It appears as a regular file which apparently provides > > raw read access to the partition: > > > > $ ls -l '//?/GLOBALROOT/Device/HarddiskVolumeShadowCopy1' > > -rw-r--r-- 1 ... 0 Dec 1 2006 //?/.../HarddiskVolumeShadowCopy1 > > $ xxd '//?/GLOBALROOT/Device/HarddiskVolumeShadowCopy1' > > 0000000: eb52 904e 5446 5320 2020 2000 0208 0000 .R.NTFS ..... > > > > The windows path handling code in Cygwin doesn't recognize the path as > the path to a drive's root dir. The path normalization code removes > all trailing backslashes. When accessing a root dir, Windows requires > a trailing backslash. When accessing the volume without the trailing > backslash, it's opened for raw access. > Now I understand where the problem is. Thanks. > This is still a highly unusual situation from a POSIXy point of view. > I'm not sure I want to slow down Cygwin for this any further. It > seems the ability to mount a shadow volume as a dos drive is > sufficient for this kind of problem, isn't it? > I agree. Christian -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/