Date: Tue, 19 Jan 2010 14:03:59 +1030 From: "Daniel O'Connor" <doconnor@gsoft.com.au> To: freebsd-stable@freebsd.org Cc: "O. Hartmann" <ohartman@mail.zedat.fu-berlin.de>, Garrett Moore <garrettmoore@gmail.com> Subject: Re: immense delayed write to file system (ZFS and UFS2), performance issues Message-ID: <201001191404.01618.doconnor@gsoft.com.au> In-Reply-To: <7346c5c61001181841j3653a7c3m32bc033c8c146a92@mail.gmail.com> References: <4B54C100.9080906@mail.zedat.fu-berlin.de> <201001191250.23625.doconnor@gsoft.com.au> <7346c5c61001181841j3653a7c3m32bc033c8c146a92@mail.gmail.com>
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--nextPart5497663.naMDPYmIWM Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline On Tue, 19 Jan 2010, Garrett Moore wrote: > The drives being discussed in my related thread (regarding poor > performance) are all WD Green drives. I have used wdidle3 to set all > of my drive timeouts to 5 minutes. I'll see what sort of difference > this makes for performance. > > Even if it makes no difference to performance, thank you for pointing > it out -- my drives have less than 2,000 hours on them and were all > over 90,000 load cycles due to this moronic factory setting. Since > changing the timeout, they haven't parked (which is what I would > expect). Mine had 65k or so, except one which only had 66.. Very odd! =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 --nextPart5497663.naMDPYmIWM 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) iD8DBQBLVSgp5ZPcIHs/zowRAif1AKCh8Xfac4PnR/0H6EmKKOgoWsEtVwCfXZnC F+RC7onbrbEgilf3H245cqs= =eGZD -----END PGP SIGNATURE----- --nextPart5497663.naMDPYmIWM--
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