From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail109.syd.optusnet.com.au (mail109.syd.optusnet.com.au [211.29.132.80]) by sourceware.org (Postfix) with ESMTP id 263343857C78 for ; Mon, 7 Dec 2020 02:59:34 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 263343857C78 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=optusnet.com.au Authentication-Results: sourceware.org; spf=none smtp.mailfrom=dunc@dimstar.local.net Received: from dimstar.local.net (n49-192-135-230.sun4.vic.optusnet.com.au [49.192.135.230]) by mail109.syd.optusnet.com.au (Postfix) with SMTP id B0E9598EC for ; Mon, 7 Dec 2020 13:59:31 +1100 (AEDT) Received: (qmail 5506 invoked by uid 501); 7 Dec 2020 02:59:30 -0000 Date: Mon, 7 Dec 2020 13:59:30 +1100 From: Duncan Roe To: cygwin@cygwin.com Subject: Re: blockdev.exe is missing in util-linux. How to determine block device size in bash? Message-ID: <20201207025930.GH24247@dimstar.local.net> Mail-Followup-To: cygwin@cygwin.com References: <18bf6c94-f3d1-d3da-a361-d6994472d0f3@SystematicSw.ab.ca> <909f43ab-983a-ccda-3adb-1616f2b4c6d7@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <909f43ab-983a-ccda-3adb-1616f2b4c6d7@gmail.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-Optus-CM-Score: 0 X-Optus-CM-Analysis: v=2.3 cv=F8MpiZpN c=1 sm=1 tr=0 cx=a_idp_d a=sbL+hH6VwQ3/UK1YqpgsQA==:117 a=sbL+hH6VwQ3/UK1YqpgsQA==:17 a=kj9zAlcOel0A:10 a=zTNgK-yGK50A:10 a=RSmzAf-M6YYA:10 a=rjcERyEvfWo-jLrcnY0A:9 a=CjuIK1q_8ugA:10 X-Spam-Status: No, score=-3.1 required=5.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, KAM_DMARC_STATUS, KAM_LAZY_DOMAIN_SECURITY, RCVD_IN_DNSWL_LOW, SPF_HELO_PASS, SPF_NONE, TXREP autolearn=no autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: cygwin@cygwin.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: General Cygwin discussions and problem reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Dec 2020 02:59:35 -0000 On Sat, Dec 05, 2020 at 12:43:25PM +0300, cygwin wrote: > Strange. On Win7 this doesn't work: > > il@mar2 /cygdrive/c/Windows/System32 > $ cat /proc/partitions > major minor #blocks name win-mounts > > 8 0 0 sda > 8 16 0 sdb > > il@mar2 /cygdrive/c/Windows/System32 > $ dd of=/dev/null if=/dev/sda bs=1M count=100 > 100+0 records in > 100+0 records out > 104857600 bytes (105 MB, 100 MiB) copied, 0.215181 s, 487 MB/s > > > On 28.11.2020 20:04, Brian Inglis wrote: > > $ cat /proc/partitions > > major minor #blocks name win-mounts > > > > 8 0 976762584 sda > > 8 1 16384 sda1 > > 8 2 976744448 sda2 C:\ > > 8 16 976762584 sdb > > 8 17 131072 sdb1 > > 8 18 102400 sdb2 > > 8 19 975482161 sdb3 D:\ > > 8 20 577536 sdb4 > > 8 21 465920 sdb5 > > 8 32 0 sdc WFFM with Win7 Home 12:34:05$ cat /proc/partitions major minor #blocks name win-mounts 8 0 488386584 sda 8 1 203776 sda1 8 2 467246080 sda2 C:\ 8 3 20829184 sda3 D:\ 8 4 105472 sda4 F:\ Cheers ... Duncan.