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:reply-to:message-id:to:subject :in-reply-to:references:mime-version:content-type :content-transfer-encoding; q=dns; s=default; b=GM4HSDJQDsx9jCxu RVzugonIiP1Ymhb/5HYOHLEWVC/moAziDTyjRUNNpjUHM0NhtKMHGbwBelhHkMu/ eYNKhvD8h5ZAjeDsp2YRr4ItpbamsUB3Hzyz05LcSEB4WOdr0LhdP+NlpliXojaq mcZ6LHNYiMXQCjQaBqCAWF/92sk= 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:reply-to:message-id:to:subject :in-reply-to:references:mime-version:content-type :content-transfer-encoding; s=default; bh=dHw7kn2eCivdPuGPUtKhbL hxCTY=; b=Yxhbjb2vHJM1kmglY3bjm1LUgb9NTwzurOfsKAHONtnKZJdpvECto/ Je6L4sJQoonTgq2sXclERnMoKt2PTfjhE/HVxICyXbRcrTQPsPeFYAl1vJfsjBlT 3wUd/lQmcg05c50zOWwhl2f7JriGz8FXwNJkPrTMp8tkmDrHFdGfw= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=4.1 required=5.0 tests=AWL,BAYES_50,FREEMAIL_FROM,KAM_THEBAT,SPF_SOFTFAIL autolearn=no version=3.3.2 spammy=H*UA:Bat!, H*x:Bat!, H*r:sk:postmas, Hx-languages-length:1045 X-HELO: smtp.ht-systems.ru Date: Tue, 22 Mar 2016 03:28:40 +0300 From: Andrey Repin Reply-To: cygwin AT cygwin DOT com Message-ID: <577110535.20160322032840@yandex.ru> To: Erik Soderquist , cygwin AT cygwin DOT com Subject: Re: cksum giving inconsistent results on network drive In-Reply-To: References: <0D835E9B9CD07F40A48423F80D3B5A702EAE633E AT USA7109MB022 DOT na DOT xerox DOT net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Greetings, Erik Soderquist! > On Mon, Mar 21, 2016 at 4:21 PM, Nellis, Kenneth wrote: >> I'm seeing inconsistent results with cksum, with repeated >> executions on the same file giving different results. >> Now, I suspect I won't get much sympathy because I am >> accessing the remote file through a "stone_age_old"* >> (QNX4) Samba server through my Q: drive, but if there's >> a solution to this, I'd love to hear it as I use >> cksum to verify correct transfer of files. > I expect if you did a capture of the traffic, you'd find the traffic > itself has inconsistent data... > My first suspicion is that there is very little you can do from the > cygwin side outside of something like doing 5 consecutive tests and > take the most consistent result. Since SMB (especially in stone-age implementations) uses TCP, I would expect data transfer to be free of errors of such nature. -- With best regards, Andrey Repin Tuesday, March 22, 2016 03:27:54 Sorry for my terrible english... -- 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