From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Dan Williams" Subject: Re: 2.6.20: stripe_cache_size goes boom with 32mb Date: Fri, 23 Feb 2007 12:11:44 -0700 Message-ID: References: <1172234460.4419.7.camel@merlin> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Content-Disposition: inline Sender: linux-raid-owner@vger.kernel.org To: Justin Piszcz Cc: Jason Rainforest , linux-kernel@vger.kernel.org, linux-raid@vger.kernel.org List-Id: linux-raid.ids 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