X-Recipient: archive-cygwin AT delorie DOT com DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 0E6183857345 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com; s=default; t=1685005458; bh=qfSbliErwAU9jLQjzKRZfvmOzumPze1LfeppuotRW+Q=; h=Date:Subject:To:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=gneBILtfnw9YANue7Y5/KGgCaqM2ILC/aY5GzTYe/v/w8rHyaiGyC94er9F5/T4BK vxNVUC3ctUrJ1EzLZBLNbSZTUxikJP1sO3brvzvp5j6Kh5xPdKZk+q3Jrw94snjCFh sbMwZ7+O+qtFY2Wi29GYIqrd/52/aaIR30GJbIvQ= X-Original-To: cygwin AT cygwin DOT com Delivered-To: cygwin AT cygwin DOT com DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 40F0A3857703 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1685005433; x=1687597433; h=to:subject:message-id:date:from:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Gxy/ZgL/DInfpKWv4JqzfZfWXQdvTkM63cbI5jLimfw=; b=LRQ4VJ43gSU/6anUvNtz/jEOANma6DmMlziwmfx3dCXQrwX86bGqkqL/dXbNeQLSkZ rXfyoOYjlaWti0BYnjZdclrFmxOLNsoZFphwqEaduj+AJizOqwJepTPid9kCDVTTq/tb ymi4H6rz1f1kd1Zp/HktU/DnZccvnU9UD87dVXWRREYwM6MGtorjm+zRyRp5Vu4ibY78 Aj9yJfPQxEySliBAMoA44JkdtWkMwcOpPaR4+cmmjnBdMt6cVfl5I6KX/TEc4lLFVu1E SeEkl+u+VZ6OcyJmRpBufcGbsgH+YUYdEtpFFjLrDINZjj3CTLTCiuuzjQBhy/oWgH4A kaaA== X-Gm-Message-State: AC+VfDxbCkVPi9W0KSOoC46J+jSPK7y9SJwkv7bqxT+V+c+eLM6a/h5K PG+uA/qu604Z/5KDYfimQvZ1LDE+vZQTzJEG3OuQYuklQ/0prA== X-Google-Smtp-Source: ACHHUZ6E3aJo2jquoejhGM4wx/ok35zFVad/1lTHBfR4E4wj0c0zslZYPXRLudYxNo9Tpm8Qec3B7ez9pYyFZqOD4dA= X-Received: by 2002:a1f:ec46:0:b0:44f:94da:c32e with SMTP id k67-20020a1fec46000000b0044f94dac32emr6115678vkh.12.1685005433495; Thu, 25 May 2023 02:03:53 -0700 (PDT) MIME-Version: 1.0 Date: Thu, 25 May 2023 11:03:42 +0200 Message-ID: Subject: dd: error reading '/proc/sys/Device/HarddiskVolumeShadowCopy9': No space left on device To: cygwin AT cygwin DOT com X-Spam-Status: No, score=-0.7 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: cygwin AT cygwin DOT com X-Mailman-Version: 2.1.29 List-Id: General Cygwin discussions and problem reports List-Archive: List-Post: List-Help: List-Subscribe: , From: Opty via Cygwin Reply-To: Opty Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Cygwin" Hello, I'm trying to create a volume shadow copy image using $ dd if=/proc/sys/Device/HarddiskVolumeShadowCopy9 of=/dev/null bs=4096 status=progress but it ends prematurely with 116923437056 bytes (117 GB, 109 GiB) copied, 65 s, 1.8 GB/s dd: error reading '/proc/sys/Device/HarddiskVolumeShadowCopy9': No space left on device 29139072+0 records in 29139072+0 records out 119353638912 bytes (119 GB, 111 GiB) copied, 65.5664 s, 1.8 GB/s If i use Windows Command Prompt then it finishes successfully: C:\tmp>\cygwin64\bin\dd if=//?/GLOBALROOT/Device/HarddiskVolumeShadowCopy9 of=/dev/null bs=4096 status=progress 119288205312 bytes (119 GB, 111 GiB) copied, 471 s, 253 MB/s 29139074+0 records in 29139074+0 records out 119353647104 bytes (119 GB, 111 GiB) copied, 471.14 s, 253 MB/s If I use count=29139071 then it works in both environments. Any ideas? I haven't subscribed yet so Cc me please. Regards, Opty -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple