Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id AFD3A64FD00 for ; Fri, 8 Aug 2008 13:28:49 -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 64069-10 for ; Fri, 8 Aug 2008 13:28:46 -0300 (ADT) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.6 Received: from nf-out-0910.google.com (nf-out-0910.google.com [64.233.182.187]) by postgresql.org (Postfix) with ESMTP id 8B23D64FCD7 for ; Fri, 8 Aug 2008 13:28:46 -0300 (ADT) Received: by nf-out-0910.google.com with SMTP id c7so365136nfi.23 for ; Fri, 08 Aug 2008 09:28:45 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to :subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references; bh=03Sbt5Eeo/d5+njeSlOdIodxPyky+JjZ5bDjWtr7rzA=; b=Dx/Qo+fCWbjDnAZ2XP+mGj8aUx2zpB2f/6NNm8IfmwPR9sL3Av5CFamENvF9ZzeAxM xUOQJsIreJa9ER8fj4trzZGGvoiXxGWqkCjE3L+rLhB6vJ4wke1tt5aYX2QR3u+XC4s7 UXNrmjVhAVvqa0T145ApMrPuJdlZABWzQx2rI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references; b=njXJQo8W/5uHqyppqzYj63LbMpdKPFiuPtGPKiGtbYzDP1HVs/uYFNQ0khHYxH3SHC oIBZl98OkiTGruA14t5HxtI/i0O50neHkwaP9L/+9bEa6hZcS+bI0l17QTxPbwByumlH RuSgbOzw1Yi+5DDT7bkTVlzySnQUs748zO9NE= Received: by 10.210.65.17 with SMTP id n17mr5714936eba.92.1218212925143; Fri, 08 Aug 2008 09:28:45 -0700 (PDT) Received: by 10.210.72.10 with HTTP; Fri, 8 Aug 2008 09:28:44 -0700 (PDT) Message-ID: <70c01d1d0808080928p27df1c1el819ad0ea3ddf538f@mail.gmail.com> Date: Fri, 8 Aug 2008 09:28:44 -0700 From: "Mark Wong" To: greg@tcscs.com Subject: Re: file system and raid performance Cc: "Mario Weilguni" , "Mark Kirkwood" , david@lang.hm, pgsql-performance@postgresql.org, "Gabrielle Roth" In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <70c01d1d0808042154u7b78d988vac1e461a93b0ba10@mail.gmail.com> <70c01d1d0808050800j7196922bt2c4b43ba09a19099@mail.gmail.com> <4898E80A.3020809@paradise.net.nz> <489A3B75.6060004@paradise.net.nz> <489AC2F0.9050907@paradise.net.nz> <489ACC90.9030401@sime.com> <70c01d1d0808071236u36fe5002w833582b036d952e8@mail.gmail.com> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=0 tagged_above=0 required=5 tests=none X-Spam-Level: X-Archive-Number: 200808/72 X-Sequence-Number: 30953 On Thu, Aug 7, 2008 at 1:24 PM, Gregory S. Youngblood wrote: >> -----Original Message----- >> From: Mark Wong [mailto:markwkm@gmail.com] >> Sent: Thursday, August 07, 2008 12:37 PM >> To: Mario Weilguni >> Cc: Mark Kirkwood; greg@tcscs.com; david@lang.hm; pgsql- >> performance@postgresql.org; Gabrielle Roth >> Subject: Re: [PERFORM] file system and raid performance >> > >> I have heard of one or two situations where the combination of the >> disk controller caused bizarre behaviors with different journaling >> file systems. They seem so few and far between though. I personally >> wasn't looking forwarding to chasing Linux file system problems, but I >> can set up an account and remote management access if anyone else >> would like to volunteer. > > [Greg says] > Tempting... if no one else takes you up on it by then, I might have some > time in a week or two to experiment and test a couple of things. Ok, let me know and I'll set you up with access. Regards, Mark