From owner-freebsd-xen@FreeBSD.ORG Fri Aug 29 17:08:51 2014 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 7F9F4BCD for ; Fri, 29 Aug 2014 17:08:51 +0000 (UTC) Received: from SMTP.CITRIX.COM (smtp.citrix.com [66.165.176.89]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "mail.citrix.com", Issuer "Cybertrust Public SureServer SV CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id CD3641931 for ; Fri, 29 Aug 2014 17:08:50 +0000 (UTC) X-IronPort-AV: E=Sophos;i="5.04,425,1406592000"; d="scan'208";a="166471877" Received: from [IPv6:::1] (10.80.16.47) by smtprelay.citrix.com (10.13.107.80) with Microsoft SMTP Server id 14.3.181.6; Fri, 29 Aug 2014 13:08:46 -0400 Message-ID: <5400B39E.3090904@citrix.com> Date: Fri, 29 Aug 2014 19:08:46 +0200 From: =?windows-1252?Q?Roger_Pau_Monn=E9?= User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:31.0) Gecko/20100101 Thunderbird/31.0 MIME-Version: 1.0 To: Marko Lerota , FreeBSD XEN Subject: Re: Poor disk IO on Xenserver 6.2 References: <86lhq7odub.fsf@arch.perpetuum.hr> In-Reply-To: <86lhq7odub.fsf@arch.perpetuum.hr> Content-Type: text/plain; charset="windows-1252" Content-Transfer-Encoding: 7bit X-DLP: MIA1 X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Aug 2014 17:08:51 -0000 El 29/08/14 a les 11.16, Marko Lerota ha escrit: > I have installed FreeBSD 10 release, stable and current on > Xenserver 6.2 with latest patches. All of them have poor disk > write speed. Performance from 12MBps - 25MBps. I tried it on > other servers but the performance is the same. Latest Debian > stable on the same machine have 300MBps disk speed. Am I missing > something after installation or this is the default speed? > I've certainly seen higher speeds, around 25-35MB/s on my box, which is the same speed I can get with a Linux guest. Could you describe how you are running your tests? Roger.