From owner-freebsd-scsi@FreeBSD.ORG Wed Aug 29 22:07:02 2007 Return-Path: Delivered-To: freebsd-scsi@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 50E2516A46C for ; Wed, 29 Aug 2007 22:07:02 +0000 (UTC) (envelope-from lutierigbtrabalho@gmail.com) Received: from ug-out-1314.google.com (ug-out-1314.google.com [66.249.92.171]) by mx1.freebsd.org (Postfix) with ESMTP id C18EB13C478 for ; Wed, 29 Aug 2007 22:07:01 +0000 (UTC) (envelope-from lutierigbtrabalho@gmail.com) Received: by ug-out-1314.google.com with SMTP id a2so166783ugf for ; Wed, 29 Aug 2007 15:07:00 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=CqyHPCvqAgDUsBULEccrmSnchAU7w9811oxyINdM/pT+ye3HINCmLiIfuBI7jMyXty4vLPS3fy9KwXeIP0r+8azHimWdULJfvu+5edYD7zrVuDgs47EahqbknrEgqfc0v6HSGKD4ggURH33OdqZ339clpFD527zMKEctY8sWJUU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=g+zjP8s56OE9UQYi5uSki+sOg9UBRNbKaz+s7sz0HmfhnFmIlMFk3n02y7IWzN5Ml/vleS+qStO/8CPzS1MZ/9yKHBvzA8EJHGaT0wNsquAv8L3qqGeSoDe6PKNePbsPVNC7NAgrj5jkLr8l39/ujdRxfNH4s97BYxguk1PiZUk= Received: by 10.142.76.4 with SMTP id y4mr57890wfa.1188425218772; Wed, 29 Aug 2007 15:06:58 -0700 (PDT) Received: by 10.142.101.15 with HTTP; Wed, 29 Aug 2007 15:06:58 -0700 (PDT) Message-ID: <71d0ebb0708291506i49649a60l8006deafb20891ac@mail.gmail.com> Date: Wed, 29 Aug 2007 19:06:58 -0300 From: "Lutieri G." To: "Scott Long" In-Reply-To: <46D5E5B1.207@samsco.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <71d0ebb0708291245g79d2141fx73cc8a6e76875944@mail.gmail.com> <46D5E17F.3070403@samsco.org> <71d0ebb0708291416v17351c65u7ccc1b7bbe0271d2@mail.gmail.com> <46D5E5B1.207@samsco.org> Cc: FREEBSD - SCSI - LIST Subject: Re: performance with LSI SAS 1064 X-BeenThere: freebsd-scsi@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SCSI subsystem List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Aug 2007 22:07:02 -0000 I've make a test with dd command: # time dd if=/dev/zero of=./8gbfile bs=1024k count=8192 8192+0 records in 8192+0 records out 8589934592 bytes transferred in 155.653213 secs (55186362 bytes/sec) 0.007u 25.129s 2:35.69 16.1% 55+6039k 117+68628io 0pf+0w in other terminal i ran iostat while dd were running and I get this: # iostat -I 1 tty da0 pass0 cpu tin tout KB/t xfrs MB KB/t xfrs MB us ni sy in id 1 61 25.23 52958 1305.07 0.00 0 0.00 0 0 8 0 91 0 184 127.48 434 54.03 0.00 0 0.00 0 0 5 0 95 0 61 127.49 440 54.78 0.00 0 0.00 0 0 5 0 95 0 61 127.75 445 55.52 0.00 0 0.00 0 0 5 0 95 0 61 127.49 442 55.03 0.00 0 0.00 0 0 4 0 96 0 61 127.49 436 54.28 0.00 0 0.00 0 0 5 0 95 0 61 125.27 425 51.99 0.00 0 0.00 0 0 5 1 94 0 61 118.14 393 45.34 0.00 0 0.00 0 0 3 0 97 average 54MB/s with or without hw.mpt.enable_sata_wc seted in loader.conf file. is it a normal speed for this adapter?! -- Att. Lutieri G. B.