Received: with ECARTIS (v1.0.0; list xfs); Fri, 18 Jan 2008 07:58:58 -0800 (PST) X-Spam-Checker-Version: SpamAssassin 3.3.0-r574664 (2007-09-11) on oss.sgi.com X-Spam-Level: X-Spam-Status: No, score=-1.1 required=5.0 tests=AWL,BAYES_00 autolearn=ham version=3.3.0-r574664 Received: from cuda.sgi.com (cuda1.sgi.com [192.48.168.28]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id m0IFwqaK023963 for ; Fri, 18 Jan 2008 07:58:54 -0800 X-ASG-Debug-ID: 1200671951-33d202910000-NocioJ X-Barracuda-URL: http://cuda.sgi.com:80/cgi-bin/mark.cgi Received: from lucidpixels.com (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id B44C1C85BA9 for ; Fri, 18 Jan 2008 07:59:11 -0800 (PST) Received: from lucidpixels.com (lucidpixels.com [75.144.35.66]) by cuda.sgi.com with ESMTP id shQ94LuUH2OkjxBO for ; Fri, 18 Jan 2008 07:59:11 -0800 (PST) Received: by lucidpixels.com (Postfix, from userid 1001) id 28C831C003F18; Fri, 18 Jan 2008 10:58:40 -0500 (EST) Date: Fri, 18 Jan 2008 10:58:40 -0500 (EST) From: Justin Piszcz X-X-Sender: jpiszcz@p34.internal.lan To: Greg Cormier cc: linux-raid@vger.kernel.org, xfs@oss.sgi.com, Alan Piszcz X-ASG-Orig-Subj: Re: Linux Software RAID 5 + XFS Multi-Benchmarks / 10 Raptors Again Subject: Re: Linux Software RAID 5 + XFS Multi-Benchmarks / 10 Raptors Again In-Reply-To: <29a863790801180743y2e90e37aj70c556dc9192a15d@mail.gmail.com> Message-ID: References: <29a863790801180735n379a27f1t4987686b2ec1aa50@mail.gmail.com> <29a863790801180743y2e90e37aj70c556dc9192a15d@mail.gmail.com> User-Agent: Alpine 0.999999 (DEB 847 2007-12-06) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Barracuda-Connect: lucidpixels.com[75.144.35.66] X-Barracuda-Start-Time: 1200671951 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0000 1.0000 -2.0210 X-Barracuda-Virus-Scanned: by cuda.sgi.com at sgi.com X-Barracuda-Spam-Score: -2.02 X-Barracuda-Spam-Status: No, SCORE=-2.02 using per-user scores of TAG_LEVEL=2.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=3.0 tests= X-Barracuda-Spam-Report: Code version 3.1, rules version 3.1.39803 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- X-Virus-Scanned: ClamAV 0.91.2/5494/Fri Jan 18 06:23:47 2008 on oss.sgi.com X-Virus-Status: Clean X-archive-position: 14184 X-ecartis-version: Ecartis v1.0.0 Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com X-original-sender: jpiszcz@lucidpixels.com Precedence: bulk X-list: xfs On Fri, 18 Jan 2008, Greg Cormier wrote: >> Also, don't use ext*, XFS can be up to 2-3x faster (in many of the >> benchmarks). > > I'm going to swap file systems and give it a shot right now! :) > > How is stability of XFS? I heard recovery is easier with ext2/3 due to > more people using it, more tools available, etc? > > Greg > Recovery is actually easier with XFS because the repair filesystem code is built-into the kernel (you dont need a utility to fix it)-- however, there is xfs_repair (if) the in-kernel-tree part could not fix it. I have been using it for > 4-5 years? now. Also, with CoRaids (ATA over Ethernet) many of them are above 8TB and ext3 only works up to 8TB, so its not even an option any longer. Justin.