From owner-freebsd-stable@FreeBSD.ORG Mon Nov 19 14:26:26 2012 Return-Path: Delivered-To: freebsd-stable@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 98329CDB for ; Mon, 19 Nov 2012 14:26:26 +0000 (UTC) (envelope-from peter@pean.org) Received: from velox.its.uu.se (velox.its.uu.se [130.238.7.74]) by mx1.freebsd.org (Postfix) with ESMTP id 506F98FC15 for ; Mon, 19 Nov 2012 14:26:25 +0000 (UTC) X-Virus-Scanned: amavisd-new at uu.se Received: from nyx.uppmax.uu.se (nyx.uppmax.uu.se [130.238.137.40]) by velox.its.uu.se (Postfix) with ESMTP id 75B2234FAD; Mon, 19 Nov 2012 15:18:52 +0100 (CET) Message-ID: <50AA3FCD.7030808@pean.org> Date: Mon, 19 Nov 2012 15:18:53 +0100 From: =?ISO-8859-1?Q?Peter_Ankerst=E5l?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:10.0.10) Gecko/20121030 Thunderbird/10.0.10 MIME-Version: 1.0 To: Daniel Braniss , freebsd-stable@FreeBSD.org Subject: Re: Poor iSCSI performance with istgt. References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 19 Nov 2012 14:26:26 -0000 On 11/19/2012 02:48 PM, Daniel Braniss wrote: > try increasing the tag opening - see camcontrol(8) > > danny > > > I tried camcontrol tags daX -N 32 (and a few different values) but cant see any change in speeds. (pass25:iscsi0:0:0:0): dev_openings 30 (pass25:iscsi0:0:0:0): dev_active 2 (pass25:iscsi0:0:0:0): devq_openings 30 (pass25:iscsi0:0:0:0): devq_queued 0 (pass25:iscsi0:0:0:0): held 0 (pass25:iscsi0:0:0:0): mintags 2 (pass25:iscsi0:0:0:0): maxtags 255