From owner-freebsd-stable@FreeBSD.ORG Sat Feb 26 09:57:17 2005 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E1C7116A4CE for ; Sat, 26 Feb 2005 09:57:17 +0000 (GMT) Received: from ares.wolfpond.org (ns1.wolfpond.org [62.212.96.219]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1195143D60 for ; Sat, 26 Feb 2005 09:57:16 +0000 (GMT) (envelope-from ftigeot@wolfpond.org) Received: from aoi.wolfpond.org (aoi.wolfpond.org [IPv6:2001:7a8:24db:1:20c:76ff:feb4:27e1]) by ares.wolfpond.org (8.13.3/8.13.3) with ESMTP id j1Q9uhDl041337; Sat, 26 Feb 2005 10:56:43 +0100 (CET) (envelope-from ftigeot@aoi.wolfpond.org) Received: from aoi.wolfpond.org (localhost [127.0.0.1]) by aoi.wolfpond.org (8.13.3/8.13.1) with ESMTP id j1Q9uohQ038726; Sat, 26 Feb 2005 10:56:50 +0100 (CET) (envelope-from ftigeot@aoi.wolfpond.org) Received: (from ftigeot@localhost) by aoi.wolfpond.org (8.13.3/8.13.1/Submit) id j1Q9uo0o038725; Sat, 26 Feb 2005 10:56:50 +0100 (CET) (envelope-from ftigeot) Date: Sat, 26 Feb 2005 10:56:50 +0100 From: Francois Tigeot To: Doug White Message-ID: <20050226095649.GC6633@aoi.wolfpond.org> References: <20050223204202.31797.qmail@web11604.mail.yahoo.com> <013301c51a8b$ed2ad230$0300000a@Uzi> <6.2.1.2.0.20050224153015.02be6df0@64.7.153.2> <20050225083339.GA5014@aoi.wolfpond.org> <20050225110543.GA70464@e-Gitt.NET> <20050225171508.U30975@carver.gumbysoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050225171508.U30975@carver.gumbysoft.com> User-Agent: Mutt/1.4.2.1i cc: freebsd-stable@freebsd.org cc: Oliver Brandmueller Subject: Re: SATA RAID Support X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 26 Feb 2005 09:57:18 -0000 On Fri, Feb 25, 2005 at 05:21:17PM -0800, Doug White wrote: > On Fri, 25 Feb 2005, Oliver Brandmueller wrote: > > > Under heavy load (I/O load on the disks constantly over 200 tps, average > > at about 250 tps, peaks over 600 tps) a random drive disconnects from > > the RAID 10. After removing the drive from the config and rescanning the > > bus, the drive does not show up anymore. The only way to get the drive > > back is to unplug the drive (or switch the computer off, so that power > > is removed). After that there is no problem to rebuild the RAID with > > the drive. > > We were having problems with this even under light load, with Western > Digital SATA disks (not Raptors I don't think). In some cases all of the > disks would drop off the array. It was determined to be an incompatibility > between the controller (8506, I believe) and the motherboard (Tyan S2721). This is an other issue: 3Ware 8506 cards PCI timings are marginal and fail with some mainboards (mainly Tyan and Intel ones if I remember correctly). AFAIK, this is fixed with the 950x series. -- Francois Tigeot