From owner-freebsd-geom@FreeBSD.ORG Mon Sep 21 15:20:02 2009 Return-Path: Delivered-To: freebsd-geom@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D2B25106566B for ; Mon, 21 Sep 2009 15:20:02 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id A84788FC12 for ; Mon, 21 Sep 2009 15:20:02 +0000 (UTC) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.14.3/8.14.3) with ESMTP id n8LFK2Tk087550 for ; Mon, 21 Sep 2009 15:20:02 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.3/8.14.3/Submit) id n8LFK2Vq087549; Mon, 21 Sep 2009 15:20:02 GMT (envelope-from gnats) Date: Mon, 21 Sep 2009 15:20:02 GMT Message-Id: <200909211520.n8LFK2Vq087549@freefall.freebsd.org> To: freebsd-geom@FreeBSD.org From: freebsdpr Cc: Subject: Re: kern/113885: [gmirror] [patch] improved gmirror balance algorithm X-BeenThere: freebsd-geom@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: freebsdpr List-Id: GEOM-specific discussions and implementations List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 21 Sep 2009 15:20:02 -0000 The following reply was made to PR kern/113885; it has been noted by GNATS. From: freebsdpr To: bug-followup@FreeBSD.org Cc: Subject: Re: kern/113885: [gmirror] [patch] improved gmirror balance algorithm Date: Tue, 22 Sep 2009 01:13:05 +1000 (EST) > The patch will not increase streaming read performance beyond what's possible with a single drive[...] I meant that after applying the patch it literally only reads from a single drive. "iostat -w 1 -x" shows it consistently using the last drive of the set for all reads.