From owner-freebsd-geom@FreeBSD.ORG Wed Mar 2 14:41:31 2005 Return-Path: Delivered-To: freebsd-geom@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 113C616A4CE for ; Wed, 2 Mar 2005 14:41:31 +0000 (GMT) Received: from imap.univie.ac.at (mail.univie.ac.at [131.130.1.27]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2FC7A43D4C for ; Wed, 2 Mar 2005 14:41:30 +0000 (GMT) (envelope-from le@FreeBSD.org) Received: from pcle2.cc.univie.ac.at (pcle2.cc.univie.ac.at [131.130.2.177]) by imap.univie.ac.at (8.12.10/8.12.10) with ESMTP id j22EfJ1L289716; Wed, 2 Mar 2005 15:41:24 +0100 Date: Wed, 2 Mar 2005 15:41:19 +0100 (CET) From: Lukas Ertl To: Deomid Ryabkov In-Reply-To: <4225CF92.80800@rojer.pp.ru> Message-ID: <20050302153930.D19615@pcle2.cc.univie.ac.at> References: <4225CF92.80800@rojer.pp.ru> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-DCC-ZID-Univie-Metrics: mx9.univie.ac.at 4248; Body=2 Fuz1=2 Fuz2=2 cc: freebsd-geom@FreeBSD.org Subject: Re: gvinum mirror seems to use only one disk for reading X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Mar 2005 14:41:31 -0000 On Wed, 2 Mar 2005, Deomid Ryabkov wrote: > I have a gvinum-based mirrored setup and i noticed that only one disk gets > the load of read requests. That's correct. I'm currently about to implement round-robin reads. > writes go to both drives as they should and tps numbers are the same, as > expected, but "time spent processing requests" is different for da0 and > da1. I've no idea yet, why that happens. Have you checked out gstat(8) and how the numbers compare there? cheers, le -- Lukas Ertl http://homepage.univie.ac.at/l.ertl/ le@FreeBSD.org http://people.freebsd.org/~le/