X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:subject:message-id:reply-to :references:mime-version:content-type:in-reply-to; q=dns; s= default; b=U7HqHKfBwKW+/nsGbe3saOaPcWCqlONW1j21WbF7Tp/vlJhNtSkjz bK5YSO4z8rVYvsu934h4fHQTYm+c5TUR/VqeiSZtxULMWvVUfhVaTT+r3gM4AXPx UL12OuDXMJaG3QE+KVbe30fkyZdUPv6Nkx1hhqLE6s4bSECdffIMXQ= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:from:to:subject:message-id:reply-to :references:mime-version:content-type:in-reply-to; s=default; bh=Qmy8q+qK0kKVQS/mbOgz7BTmO3Q=; b=E+45qIJD9JwsTBRDM6+V/cCEubC6 MOydR4Li25qXCxS9uDatc81hQdL21MAe7IiRxUnj4N9JGmjSMV/ayU8OIJcs/am7 b5atk8k3kc47A/xx7aRTblS+9dZfWwbzK47nGyLqgrHE0Zy7Bp1LIQ33viuJMUx1 ifvk81trth+rVxY= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: <cygwin.cygwin.com> List-Subscribe: <mailto:cygwin-subscribe AT cygwin DOT com> List-Archive: <http://sourceware.org/ml/cygwin/> List-Post: <mailto:cygwin AT cygwin DOT com> List-Help: <mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs> Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com X-Spam-SWARE-Status: No, score=-1.7 required=5.0 tests=AWL,BAYES_00,TW_RW,TW_WX,TW_XR autolearn=no version=3.3.1 Date: Tue, 28 May 2013 15:35:14 +0200 From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com> To: cygwin AT cygwin DOT com Subject: Re: Shadowcopy volume block devices Message-ID: <20130528133514.GJ5264@calimero.vinschen.de> Reply-To: cygwin AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com References: <CAKAA-nncyH+D0RXDQ1KF6xkxSKGPrhodp7tDJTBJLC2-k3L1Jg AT mail DOT gmail DOT com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <CAKAA-nncyH+D0RXDQ1KF6xkxSKGPrhodp7tDJTBJLC2-k3L1Jg@mail.gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) On May 28 18:21, Micky wrote: > 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. This is kind of mind-boggling. If you knew that you could access HarddiskVolumeShadowCopy using the POSIX path /proc/sys/Device/HarddiskVolumeShadowCopy why didn't you try to use the POSIX path as device name in a call to the POSIX tool dd, rather than translating it into a Win32 path? It's clearly marked as block device in the directory listing: $ ls -l /proc/sys/Device/HarddiskVolumeShadowCopy1 brwxrwx--x 1 Administrators SYSTEM 0, 250 May 28 15:31 HarddiskVolumeShadowCopy1 and here's what I get when running od -c on it as admin: $ od -c /proc/sys/Device/HarddiskVolumeShadowCopy1 | head -1 000 353 R 220 N T F S \0 002 \b \0 \0 Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Maintainer cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple