Date: Tue, 19 Jan 2010 12:50:13 +1030 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: freebsd-stable@freebsd.org Cc: "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de>, Morgan =?utf-8?q?Wesstr=C3=B6m?= <freebsd-questions@pp.dyndns.biz>, freebsd-questions@freebsd.org Subject: Re: immense delayed write to file system (ZFS and UFS2), performance issues Message-ID: <201001191250.23625.doconnor@gsoft.com.au> In-Reply-To: <4B54C5EE.5070305@pp.dyndns.biz> References: <4B54C100.9080906@mail.zedat.fu-berlin.de> <4B54C5EE.5070305@pp.dyndns.biz>
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--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--
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