Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933192AbXBWTLs (ORCPT ); Fri, 23 Feb 2007 14:11:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S933189AbXBWTLs (ORCPT ); Fri, 23 Feb 2007 14:11:48 -0500 Received: from nf-out-0910.google.com ([64.233.182.190]:62734 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933185AbXBWTLq (ORCPT ); Fri, 23 Feb 2007 14:11:46 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=EUlioF3ysvOxfzzSQ2OTZOCvpeFkMUZS9OpRFwkiRrhhsKCu/T9sb1zL0u+hE/oT4rhdhOzEnerES4x0R+lhdWuX/OEUcXueCXIPxNTGhP8o86hCWKJka3ARV0RS2NHgsg2IXsbI9zIxvUQxout8wXdJkNHX5YmVpUXxuTqU5hU= Message-ID: Date: Fri, 23 Feb 2007 12:11:44 -0700 From: "Dan Williams" To: "Justin Piszcz" Subject: Re: 2.6.20: stripe_cache_size goes boom with 32mb Cc: "Jason Rainforest" , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <1172234460.4419.7.camel@merlin> X-Google-Sender-Auth: 50994f43d33b766d Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 569 Lines: 16 On 2/23/07, Justin Piszcz wrote: > I have 2GB On this machine. For me, 8192 seems to be the sweet spot, I > will probably keep it at 8mb. > Just a note stripe_cache_size = 8192 = 192MB with six disks. The calculation is: stripe_cache_size * num_disks * PAGE_SIZE = stripe_cache_size_bytes -- Dan - 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/