Received: from localhost (unknown [200.46.204.184]) by developer.postgresql.org (Postfix) with ESMTP id E36FA2E0037 for ; Wed, 16 Apr 2008 17:37:36 -0300 (ADT) Received: from developer.postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.184]) (amavisd-maia, port 10024) with ESMTP id 87488-05 for ; Wed, 16 Apr 2008 17:37:29 -0300 (ADT) X-Greylist: domain auto-whitelisted by SQLgrey-1.7.5 Received: from wf-out-1314.google.com (wf-out-1314.google.com [209.85.200.170]) by developer.postgresql.org (Postfix) with ESMTP id 9CC382E0030 for ; Wed, 16 Apr 2008 17:37:33 -0300 (ADT) Received: by wf-out-1314.google.com with SMTP id 28so2534424wff.28 for ; Wed, 16 Apr 2008 13:37:32 -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=Lw0NFYGasy5JQZoAcUqcPDi3NBuFHAtZoHeeOkLfzaA=; b=G8U0aK01qcEdjQcy1ffTyjCRLIBaalB2JnuJPhXmnD6VCdjw4tjLcTNob5gwzZjWpLMBoU9Vz+svLdz5Vc9ArcEx1/AjyDM2WWxXGplMDPnkPb8iedf07qsv5A90DhnKpvyxmNXIhWcP87eYo95qzrKcoHceO7GruxlDiUywXTc= 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=or/ZmXpWXFlThJWqhK0CbbErzg1W8T+R58coD7jfWQ2MNfTuH5EfMAQD3Vyp0cDKXq0qCSobVloHcUdbsm/gD98YW8jkKQbBk7HhqRJbXZYLEPTc0UUkQM+r9Hbr4F+Uor0cyWf3kE24h/HxBcZzL96g8IQZ7bbNs6ATEKFF6tk= Received: by 10.142.226.2 with SMTP id y2mr142441wfg.75.1208378252399; Wed, 16 Apr 2008 13:37:32 -0700 (PDT) Received: by 10.142.185.20 with HTTP; Wed, 16 Apr 2008 13:37:32 -0700 (PDT) Message-ID: Date: Wed, 16 Apr 2008 13:37:32 -0700 From: "Jeffrey Baker" To: "Joshua D. Drake" Subject: Re: Anybody using the Dell Powervault MD3000 array? Cc: "Gavin M. Roy" , pgsql-performance@postgresql.org In-Reply-To: <20080416132022.1fb03645@commandprompt.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20080416132022.1fb03645@commandprompt.com> X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200804/216 X-Sequence-Number: 29709 On Wed, Apr 16, 2008 at 1:20 PM, Joshua D. Drake wrote: > On Wed, 16 Apr 2008 16:17:10 -0400 > > > > On Wed, Apr 16, 2008 at 4:15 PM, Jeffrey Baker > > wrote: > > > > > Thinking about buying the Powervault MD3000 SAS array with 15 15k > > > 300GB disks for use as a postgres tablespace. Is anyone using these > > > (or other LSI/Engenio rebadge jobs?). I'm interested in hearing > > > about performance of the array, and problems (if any) with Dell's > > > SAS HBA that comes bundled. Also interested in performance of the > > > maximum config of an MD3000 with two MD1000 shelves. > > > > > > -Jeff > > > "Gavin M. Roy" wrote: > > > Might want to check out the HP MSA70 arrays. I've had better luck > > with them and you can get 25 drives in a smaller rack unit size. I > > had a bad experience with the MD3000 and now only buy MD1000's with > > Perc 6/e when I buy Dell. > > Good luck! > > > > I can second this. The MSA 70 is a great unit for the money. Thank you both. The MSA 70 looks like an ordinary disk shelf. What controllers do you use? Or, do you just go with a software RAID?