From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.fusionio.com ([66.114.96.30]:35761 "EHLO mx1.fusionio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756595Ab3ANO7H (ORCPT ); Mon, 14 Jan 2013 09:59:07 -0500 Date: Mon, 14 Jan 2013 09:59:04 -0500 From: Chris Mason To: Tomasz Kusmierz CC: "linux-btrfs@vger.kernel.org" Subject: Re: btrfs for files > 10GB = random spontaneous CRC failure. Message-ID: <20130114145904.GA1387@shiny> References: <50F3E77B.2030901@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" In-Reply-To: <50F3E77B.2030901@gmail.com> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Mon, Jan 14, 2013 at 04:09:47AM -0700, Tomasz Kusmierz wrote: > Hi, > > Since I had some free time over Christmas, I decided to conduct few > tests over btrFS to se how it will cope with "real life storage" for > normal "gray users" and I've found that filesystem will always mess up > your files that are larger than 10GB. Hi Tom, I'd like to nail down the test case a little better. 1) Create on one drive, fill with data 2) Add a second drive, convert to raid1 3) find corruptions? What happens if you start with two drives in raid1? In other words, I'm trying to see if this is a problem with the conversion code. -chris