Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id A46C364FD1A for ; Mon, 11 Aug 2008 07:35:56 -0300 (ADT) Received: from postgresql.org ([200.46.204.86]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 38429-01 for ; Mon, 11 Aug 2008 07:35:49 -0300 (ADT) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from web25808.mail.ukl.yahoo.com (web25808.mail.ukl.yahoo.com [217.12.10.193]) by postgresql.org (Postfix) with SMTP id BA6D064FCC0 for ; Mon, 11 Aug 2008 07:35:52 -0300 (ADT) Received: (qmail 17609 invoked by uid 60001); 11 Aug 2008 10:35:50 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.co.uk; h=Received:X-Mailer:Date:From:Reply-To:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-ID; b=WYUS8E4qo7g9XoNP9ZAgP91U/d1KqqYGiU3G0jOYfceViy/li6yezl800Eok+nwVHeLi9QtTbmZtGvQapDfGmjsLFP6lgy5bYoOh116SUKqrA4pMQo/rY1n6tGa11OV7JpWtcfcRGN0NuDkQytt4W53YlBvx2qiMfmOCVSXVyHQ=; Received: from [213.83.65.106] by web25808.mail.ukl.yahoo.com via HTTP; Mon, 11 Aug 2008 10:35:50 GMT X-Mailer: YahooMailWebService/0.7.218 Date: Mon, 11 Aug 2008 10:35:50 +0000 (GMT) From: Glyn Astill Reply-To: glynastill@yahoo.co.uk Subject: Re: Filesystem benchmarking for pg 8.3.3 server To: Greg Smith , Henrik Cc: pgsql-performance@postgresql.org In-Reply-To: <0E80D962-22F4-4669-B09F-E1E44449BF76@mac.se> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Message-ID: <158561.15546.qm@web25808.mail.ukl.yahoo.com> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0.315 tagged_above=0 required=5 tests=SARE_MILLIONSOF=0.315 X-Spam-Level: X-Archive-Number: 200808/102 X-Sequence-Number: 30983 > > > >> It feels like there is something fishy going on. > Maybe the RAID 10 =20 > >> implementation on the PERC/6e is crap? > > It's possible. We had a bunch of perc/5i SAS raid cards in our servers tha= t performed quite well in Raid 5 but were shite in Raid 10. I switched the= m out for Adaptec 5808s and saw a massive improvement in Raid 10.=0A=0A=0A = __________________________________________________________=0ANot happy= with your email address?.=0AGet the one you really want - millions of new = email addresses available now at Yahoo! http://uk.docs.yahoo.com/ymail/new.= html