From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from plane.gmane.org ([80.91.229.3]:50891 "EHLO plane.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932410AbaHVRfx (ORCPT ); Fri, 22 Aug 2014 13:35:53 -0400 Received: from list by plane.gmane.org with local (Exim 4.69) (envelope-from ) id 1XKske-0007aA-DM for linux-btrfs@vger.kernel.org; Fri, 22 Aug 2014 19:35:48 +0200 Received: from ip68-231-22-224.ph.ph.cox.net ([68.231.22.224]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 22 Aug 2014 19:35:48 +0200 Received: from 1i5t5.duncan by ip68-231-22-224.ph.ph.cox.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 22 Aug 2014 19:35:48 +0200 To: linux-btrfs@vger.kernel.org From: Duncan <1i5t5.duncan@cox.net> Subject: Re: Significance of high number of mails on this list? Date: Fri, 22 Aug 2014 17:35:36 +0000 (UTC) Message-ID: References: <2217061.yFV10mnZWq@merkaba> <53F6E9B7.1040701@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-btrfs-owner@vger.kernel.org List-ID: Filipe David Manana posted on Fri, 22 Aug 2014 10:58:33 +0100 as excerpted: > On Fri, Aug 22, 2014 at 8:35 AM, Duncan <1i5t5.duncan@cox.net> wrote: >> Konstantinos Skarlatos posted on Fri, 22 Aug 2014 09:56:55 +0300 as >> excerpted: >> >>> I would stay with rsync for a while, because there is always the >>> possibility of a bug [...] (Or maybe I am too paranoid[)] >> >> I believe in this case you /are/ "being too paranoid." >> >> Both btrfs send and receive only deal with data/metadata they know how >> to deal with. If it's corrupt in some way or if they don't understand >> it, they don't send/write it, they fail. > > Most of the time yes, however we have at least 1 know bug that affects > 3.14.x only where send silently corrupts file data (replaces valid data > with zeroes) at the destination: > > https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/ commit/?id=766b5e5ae78dd04a93a275690a49e23d7dcb1f39 > > The fix landed in 3.15, but wasn't backported to 3.14.x yet (adding > Chris to cc). > > >> IOW, if it works without error it's as guaranteed to be golden as these >> things get. Well, I /did/ say "as golden as these things get". With even long stable subsystems such as mdraid having occasional data-risking bugs, and with btrfs in general not yet fully stable/mature... But point taken. That bug flew under my radar. Thanks for mentioning it. -- Duncan - List replies preferred. No HTML msgs. "Every nonfree program has a lord, a master -- and if you use the program, he is your master." Richard Stallman