From owner-freebsd-stable@FreeBSD.ORG Tue Jan 19 02:20:37 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 26207106566B; Tue, 19 Jan 2010 02:20:37 +0000 (UTC) (envelope-from doconnor@gsoft.com.au) Received: from cain.gsoft.com.au (cain.gsoft.com.au [203.31.81.10]) by mx1.freebsd.org (Postfix) with ESMTP id 987EB8FC0C; Tue, 19 Jan 2010 02:20:36 +0000 (UTC) Received: from inchoate.gsoft.com.au ([203.31.81.30]) (authenticated bits=0) by cain.gsoft.com.au (8.13.8/8.13.8) with ESMTP id o0J2KTwW096164 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NO); Tue, 19 Jan 2010 12:50:29 +1030 (CST) (envelope-from doconnor@gsoft.com.au) From: "Daniel O'Connor" To: freebsd-stable@freebsd.org Date: Tue, 19 Jan 2010 12:50:13 +1030 User-Agent: KMail/1.9.10 References: <4B54C100.9080906@mail.zedat.fu-berlin.de> <4B54C5EE.5070305@pp.dyndns.biz> In-Reply-To: <4B54C5EE.5070305@pp.dyndns.biz> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="nextPart2955529.oGW1gFcb1l"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <201001191250.23625.doconnor@gsoft.com.au> X-Spam-Score: -3.635 () ALL_TRUSTED,AWL,BAYES_00 X-Scanned-By: MIMEDefang 2.63 on 203.31.81.10 Cc: "O. Hartmann" , Morgan =?utf-8?q?Wesstr=C3=B6m?= , freebsd-questions@freebsd.org Subject: Re: immense delayed write to file system (ZFS and UFS2), performance issues X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Jan 2010 02:20:37 -0000 --nextPart2955529.oGW1gFcb1l Content-Type: text/plain; charset="iso-8859-15" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Tue, 19 Jan 2010, Morgan Wesstr=F6m wrote: > The disks involved don't happen to be Western Digital Green Power > disks, do they? The Intelli-Park function in these disks are wrecking > havoc with I/O in Linux-land at least, causing massive stalls and > iowait through the roof during the 25-30 seconds it takes for the > heads to unload after parking. I have two of these disks sitting on > my desk now collecting dust... There's this.. http://www.silentpcreview.com/Terabyte_Drive_Fix and you can get the tool at.. http://home.arcor.de/ghostadmin/wdidle3_1_00.zip I am planning to try this out tonight.. =2D-=20 Daniel O'Connor software and network engineer for Genesis Software - http://www.gsoft.com.au "The nice thing about standards is that there are so many of them to choose from." -- Andrew Tanenbaum GPG Fingerprint - 5596 B766 97C0 0E94 4347 295E E593 DC20 7B3F CE8C --nextPart2955529.oGW1gFcb1l Content-Type: application/pgp-signature; name=signature.asc Content-Description: This is a digitally signed message part. -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.12 (FreeBSD) iD8DBQBLVRbn5ZPcIHs/zowRAgw5AKCnV25BbksA6CVLuxD96Q5x8WGqogCgoHjw Hx8GOn5vpLDgfI1YbAp4LbI= =8ATs -----END PGP SIGNATURE----- --nextPart2955529.oGW1gFcb1l--