From owner-freebsd-current@FreeBSD.ORG Fri Oct 19 00:56:03 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 515A716A417 for ; Fri, 19 Oct 2007 00:56:03 +0000 (UTC) (envelope-from kabaev@gmail.com) Received: from wx-out-0506.google.com (wx-out-0506.google.com [66.249.82.228]) by mx1.freebsd.org (Postfix) with ESMTP id F21C113C458 for ; Fri, 19 Oct 2007 00:56:02 +0000 (UTC) (envelope-from kabaev@gmail.com) Received: by wx-out-0506.google.com with SMTP id i29so306906wxd for ; Thu, 18 Oct 2007 17:56:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:date:from:to:cc:subject:message-id:in-reply-to:references:x-mailer:mime-version:content-type; bh=3/OzOJy5O8PkHH8yHGitDykdRPlak0tigfVFNKHS6VI=; b=UAcSMTlX+lKXc+L2McIXVE0Wwn+vJDAid5FTz7P4uHm1pWOya+6SAJzP1ual/XYfZYnDPYGYbQLZvRtMwrJA95KVybu8FR+xoa206mQSE4+6NiWU7GaGZAW9whAa5t2sS7IiVFdWomrhDLcLKd6zlblfZ7qRMwa2mkaSopJ5Jag= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:date:from:to:cc:subject:message-id:in-reply-to:references:x-mailer:mime-version:content-type; b=mLNGrjsLn5xAw4UNEmy+hIUllnfoqlDnmMKt0//aWN+7NSGKtxGCdI8OxFjkKKOByDN4p3TbkalFUe51Aj0OKukS6IGdlcPg7MQ3nSlJS9RzTmYiibhz6GGWuIKAS0oA+K1bFJZ+L3ye6hnhWfjhBP6FwsUz6YYjntTy3dy9R5Q= Received: by 10.70.52.2 with SMTP id z2mr1974824wxz.1192755361521; Thu, 18 Oct 2007 17:56:01 -0700 (PDT) Received: from kan.dnsalias.net ( [24.218.183.247]) by mx.google.com with ESMTPS id h34sm3703434wxd.2007.10.18.17.55.59 (version=SSLv3 cipher=OTHER); Thu, 18 Oct 2007 17:56:00 -0700 (PDT) Date: Thu, 18 Oct 2007 20:55:54 -0400 From: Alexander Kabaev To: Stefan Lambrev Message-ID: <20071018205554.010c710e@kan.dnsalias.net> In-Reply-To: <471722BE.20107@moneybookers.com> References: <47161A42.2050306@moneybookers.com> <471636E4.90807@thekeelecentre.com> <47163ACC.1080807@moneybookers.com> <47163B9B.4010901@thekeelecentre.com> <471715AD.3080102@moneybookers.com> <47171750.8050906@thekeelecentre.com> <20071018085812.GA8481@eos.sc1.parodius.com> <471722BE.20107@moneybookers.com> X-Mailer: Claws Mail 3.0.0 (GTK+ 2.10.14; i386-portbld-freebsd7.0) Mime-Version: 1.0 Content-Type: multipart/signed; boundary=Sig_gEj_b8C1lC+c6s+bZkwBtfS; protocol="application/pgp-signature"; micalg=PGP-SHA1 Cc: freebsd-current@freebsd.org Subject: Re: Very slow HP 8 Internal Port SAS HBA with RAID 0, 1 on Hot Plug SAS/SATA Models (LSI SAS1068 - mpt) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Oct 2007 00:56:03 -0000 --Sig_gEj_b8C1lC+c6s+bZkwBtfS Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Thu, 18 Oct 2007 12:09:18 +0300 Stefan Lambrev wrote: > Hi, >=20 > Jeremy Chadwick wrote: > > On Thu, Oct 18, 2007 at 09:20:32AM +0100, Richard Tector wrote: > > =20 > >> Stefan Lambrev wrote: > >> =20 > >>> =20 > -skip- > >> 70MB/s from desktop drives is pretty respectabloe, IMHO. > >> =20 > > > > In a RAID 1 configuration, I would say 70MByte/sec read is more than > > decent. That's about what I get from an individual drive on a > > built-in nVidia nForce 4 SATAII controller. Here's a sequential > > read from a disk on that controller, using dd and gstat; sometimes > > it hits 78MB. > > > > ad10: 476940MB at ata5-master SATA300 > > > > L(q) ops/s r/s kBps ms/r w/s kBps ms/w %busy Name > > 1 571 571 72850 1.4 0 0 0.0 82.0| ad10 > > > > You might also want to verify that the disks are actually running > > at SATA300 speeds (which won't necessarily gain you a lot over > > SATA150, but worth turning on assuming it's compatible with your > > controller). Seagate drives, for example, have a little jumper on > > them that limits the interface to SATA150; remove it. > > > > =20 > da0: Fixed Direct Access SCSI-2 device > da0: 300.000MB/s transfers >=20 In my experience LSI lies in this message and 300.000MB/s are saying nothing. It said the same thing on my system at work while sata analyzer sitting between controller and the drive clearly showed 1.5G speed used on the actual link. --=20 Alexander Kabaev --Sig_gEj_b8C1lC+c6s+bZkwBtfS Content-Type: application/pgp-signature; name=signature.asc Content-Disposition: attachment; filename=signature.asc -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFHGACaQ6z1jMm+XZYRAgY4AKCNsRrSTQsTwL+1lmKM/m8nICUjygCgupH0 dDl9Zod4VfZKSqVQcItYiH0= =njEk -----END PGP SIGNATURE----- --Sig_gEj_b8C1lC+c6s+bZkwBtfS--