Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759994AbYBETSu (ORCPT ); Tue, 5 Feb 2008 14:18:50 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755637AbYBETSn (ORCPT ); Tue, 5 Feb 2008 14:18:43 -0500 Received: from mail4.sea5.speakeasy.net ([69.17.117.6]:58380 "EHLO mail4.sea5.speakeasy.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754563AbYBETSm (ORCPT ); Tue, 5 Feb 2008 14:18:42 -0500 Date: Tue, 5 Feb 2008 11:18:06 -0800 From: Robin Lee Powell To: Lennart Sorensen Cc: Nick Piggin , linux-kernel@vger.kernel.org Subject: Re: Monthly md check == hung machine; how do I debug? Message-ID: <20080205191806.GC9284@digitalkingdom.org> References: <20080203212155.GF12173@digitalkingdom.org> <200802042140.55521.nickpiggin@yahoo.com.au> <20080205171005.GA9284@digitalkingdom.org> <20080205185517.GE26259@csclub.uwaterloo.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080205185517.GE26259@csclub.uwaterloo.ca> User-Agent: Mutt/1.5.17+20080114 (2008-01-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 948 Lines: 23 On Tue, Feb 05, 2008 at 01:55:17PM -0500, Lennart Sorensen wrote: > I tend to adjust the max disk speed raid is allowed to use, since > the default of 200MB/s makes the system close to unusable while it > is taking place. Could having slow disk access be causing things > to lock up? I don't know if it could or not, but I have no performance problems at all when the sync is running, as long as it doesn't lock up, so it seems unlikely to me. (Shout out to a fellow CSC sysadmin, btw.) -Robin -- Lojban Reason #17: http://en.wikipedia.org/wiki/Buffalo_buffalo Proud Supporter of the Singularity Institute - http://singinst.org/ http://www.digitalkingdom.org/~rlpowell/ *** http://www.lojban.org/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/