From owner-freebsd-hackers@FreeBSD.ORG Tue Mar 25 05:38:58 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 908BE106566B for ; Tue, 25 Mar 2008 05:38:58 +0000 (UTC) (envelope-from jdc@parodius.com) Received: from mx01.sc1.parodius.com (mx01.sc1.parodius.com [72.20.106.3]) by mx1.freebsd.org (Postfix) with ESMTP id 6962E8FC16 for ; Tue, 25 Mar 2008 05:38:58 +0000 (UTC) (envelope-from jdc@parodius.com) Received: by mx01.sc1.parodius.com (Postfix, from userid 1000) id 496D81CC060; Mon, 24 Mar 2008 22:38:58 -0700 (PDT) Date: Mon, 24 Mar 2008 22:38:58 -0700 From: Jeremy Chadwick To: Bert JW Regeer Message-ID: <20080325053858.GA32888@eos.sc1.parodius.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Cc: FreeBSD Hackers Subject: Re: zpool scrub tank && high file system activity caused crash X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Mar 2008 05:38:58 -0000 On Mon, Mar 24, 2008 at 04:23:19PM -0700, Bert JW Regeer wrote: > I am running FreeBSD 7.0-RELEASE with GENERIC on a AMD XP Athlon 3500+ with > 1267 MB of ram, and a GigBit NIC. I am testing out ZFS just for the hell of > it, I know, 32 bit is not suggested and runs badly, but it does what it > needs to do. > > I was copying large amounts of data for backup purposes from my MacBook Pro > to the machine over FTP. At the time I was looking around the man page for > zpool, and figured I'd run a zpool scrub just to see how badly it affects > performance. It affects it in that it takes down the machine with a dump. There's been many previous statements from others that heavy I/O on ZFS results in either a crash or a hard hang, on both i386 and amd64. You're not alone. -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |