From owner-freebsd-fs@FreeBSD.ORG Sat Oct 20 13:34:31 2012 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 16A932EE for ; Sat, 20 Oct 2012 13:34:31 +0000 (UTC) (envelope-from hal@elizium.za.net) Received: from squishy.elizium.za.net (squishy.elizium.za.net [80.68.90.178]) by mx1.freebsd.org (Postfix) with ESMTP id C900C8FC08 for ; Sat, 20 Oct 2012 13:34:30 +0000 (UTC) Received: from squishy.elizium.za.net (squishy.elizium.za.net [80.68.90.178]) by squishy.elizium.za.net (Postfix) with ESMTPSA id 3ED2F814C; Sat, 20 Oct 2012 15:25:01 +0200 (SAST) Date: Sat, 20 Oct 2012 15:24:59 +0200 From: Hugo Lombard To: David Wimsey Subject: Re: gptzfsboot very slow Message-ID: <20121020132459.GE18399@squishy.elizium.za.net> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Cc: "freebsd-fs@freebsd.org" X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 20 Oct 2012 13:34:31 -0000 On Sat, Oct 20, 2012 at 04:50:22AM -0400, David Wimsey wrote: > My file server is configured with zfs root based on > http://wiki.freebsd.org/RootOnZFS/GPTZFSBoot/Mirror > > When booting, after it gets past the BIOS drive C: is disk0 (one line > for each of the 6 drives as expected) part, drops to a new line and > the rotating twiddle starts its bit. At first it moves a long at a > almost normal looking speed, then it starts only ticking away slowly, > maybe once or twice a minute. > Hi I've noticed something similar on my side, with eight disks. I've been meaning to try out these patches: http://svnweb.freebsd.org/base?view=revision&sortby=date&revision=239068 mentioned in this PR: http://www.freebsd.org/cgi/query-pr.cgi?pr=147560 Hope that helps. Regards -- Hugo Lombard