From owner-freebsd-questions@FreeBSD.ORG Mon Nov 8 14:03:25 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DED7816A4CE for ; Mon, 8 Nov 2004 14:03:25 +0000 (GMT) Received: from rproxy.gmail.com (rproxy.gmail.com [64.233.170.197]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7AE1443D3F for ; Mon, 8 Nov 2004 14:03:25 +0000 (GMT) (envelope-from somniosus@gmail.com) Received: by rproxy.gmail.com with SMTP id a36so298277rnf for ; Mon, 08 Nov 2004 06:03:17 -0800 (PST) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:references; b=BcvAIbdcBQjUccdXZn8+BgV/0gCHCPt5yneipIeowp8O1VXQImHTawX4cqiGEvXtnczb129GY6vWZGM8DbPC2Dgj0qUOvQ8XMBy2UmCRkUF4/EDHEYcA5G7WPpBi3QHPpenkXxrhzZbz2IAc5mmh+SXiO8GQq7zI6qY5EX4W3yM= Received: by 10.38.82.50 with SMTP id f50mr321212rnb; Mon, 08 Nov 2004 06:03:15 -0800 (PST) Received: by 10.38.73.26 with HTTP; Mon, 8 Nov 2004 06:03:15 -0800 (PST) Message-ID: Date: Mon, 8 Nov 2004 06:03:15 -0800 From: cape canaveral To: freebsd-questions@freebsd.org In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit References: <20041108084129.28575.qmail@web51610.mail.yahoo.com> <20041108100213.GC868@orion.daedalusnetworks.priv> Subject: Re: What is the best way to obtain an exact copy download?-->wrong md5 after downloading 5.3dsc1,2=( X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: cape canaveral List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Nov 2004 14:03:26 -0000 On Mon, 8 Nov 2004 12:02:13 +0200, Giorgos Keramidas wrote: > On 2004-11-08 00:41, Mark Jayson Alvarez wrote: > > Good day! > > After downloading disc1 and disc2 of freebsd 5.3, my boss told me to > > verify the download using md5. > > Good thinking. > > > And to my surprise, none of those two iso's have the same md5 as that > > of the md5 written in CHECKSUM.md5. > > Some times, if you start downloading an ISO image while it is still being > uploaded to the ftp-master server or while a mirror still fetches the same ISO > image from ftp-master, what you get is an incomplete download. Try comparing > the sizes of the files on the remote server after a while. If it has changed, > the ISO iamge is still being uploaded to the FTP server; wait a bit and retry. > > > > > Question: > > On the middle of my download, how will I know if I'm still downloading > > the correct file, that no packet is being dropped and that I will end up in > > a perfect mirror file download? Do you know any downloading tool that will > > do just like this? Earlier, I just used the konqueror when I downloaded > > those ISO's. Is it really that hard to download? We're using E1 modems and > > our internet connection is quite fast. I'm just thinking, we are still lucky > > because of this. But how about those people with low bandwidth internet > > connection? Do they have a choice? > > All this should be handled gracefully by the TCP network. AFAIK, there is no > easy way to verify half of a file while it's still being downloaded over FTP. > > > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > One optoin is to use the Bittorrent download - it will do hash checks of each piece and re-download any which fail. Another option (if you do not want to re-download both CDs) is to have someone with known good copies help you recover the existing files. Two utilities which can do this are zidrav and quickpar. I doubt very much that more than 1MB of parity data would be required to repair these cd images; they are probably off by only a few bytes. -Aaron