Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1UfLAu-0000d8-AG for pgsql-performance@arkaria.postgresql.org; Thu, 23 May 2013 02:22:40 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.72) (envelope-from ) id 1UfLAt-0003vh-Pv for pgsql-performance@arkaria.postgresql.org; Thu, 23 May 2013 02:22:39 +0000 Received: from makus.postgresql.org ([2001:4800:7903:4::125]) by malur.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1UfLAs-0003vc-Vc for pgsql-performance@postgresql.org; Thu, 23 May 2013 02:22:39 +0000 Received: from moutng.kundenserver.de ([212.227.17.10]) by makus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1UfLAm-0002Wr-O8 for pgsql-performance@postgresql.org; Thu, 23 May 2013 02:22:38 +0000 Received: from [192.168.1.110] (mail.highperformancepostgresql.com [71.179.240.8]) by mrelayeu.kundenserver.de (node=mreu0) with ESMTP (Nemesis) id 0MTL2h-1V4o6R0SWt-00SVZ9; Thu, 23 May 2013 04:22:25 +0200 Message-ID: <519D7D60.1060804@2ndQuadrant.com> Date: Wed, 22 May 2013 22:22:24 -0400 From: Greg Smith User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:14.0) Gecko/20120713 Thunderbird/14.0 MIME-Version: 1.0 To: Mark Kirkwood CC: "Joshua D. Drake" , Merlin Moncure , sthomas@optionshouse.com, Tomas Vondra , pgsql-performance@postgresql.org Subject: Re: Reliability with RAID 10 SSD and Streaming Replication References: <51957499.6050905@fuzzy.cz> <519991EB.8010208@2ndQuadrant.com> <519A8E29.60702@fuzzy.cz> <519C0EFD.9080002@2ndQuadrant.com> <519CF8CC.1030204@optionshouse.com> <519D0921.9080807@2ndQuadrant.com> <519D174A.4050703@commandprompt.com> <519D1CD6.2080607@2ndQuadrant.com> <519D2562.2060604@2ndQuadrant.com> <519D49DC.7060406@commandprompt.com> <519D6A84.7050707@commandprompt.com> <519D71AD.4080606@catalyst.net.nz> <519D7930.2040308@catalyst.net.nz> In-Reply-To: <519D7930.2040308@catalyst.net.nz> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Provags-ID: V02:K0:DhkvunHX2pSMPmH0zIjHORxkyQY38a7phMZE8HhFE5a ma/8DMtYVcwGp4N+evUIQow3zA7UP87TTKUYg/6lt1BtGym9PN 5qKJAiJmohPxfrKeaLlH+hh36HKtzZIYr6yJa6EJf1Bq7Bx8gq fKshbpWH9BQIh7CZB6/SWPcPxkd9nDbfgPpbgBcR2AlZ463OuY 22dCpHAyylNFk0+eoSVz0gnDstnTc8rf14V/fywS9eSZ3HkicB wXOr2xnw2ZChtEjSUcZZOCmvqYLrwZhu4Q1gyIErVXv2pfdqsF H7gc7fzJ9jo1E6Ldhw62U2OhTKNin0x01TrUtsJOQpXPHFl4cr ILJwU7OBdehWN+Yu4nwo= X-Pg-Spam-Score: 0.8 (/) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-performance Precedence: bulk Sender: pgsql-performance-owner@postgresql.org On 5/22/13 10:04 PM, Mark Kirkwood wrote: > Make that quite a few capacitors (top right corner): > http://regmedia.co.uk/2013/05/07/m500_4.jpg There are some more shots and descriptions of the internals in the excellent review at http://techreport.com/review/24666/crucial-m500-ssd-reviewed That also highlights the big problem with this drive that's kept me from buying one so far: "Unlike rivals Intel and Samsung, Crucial doesn't provide utility software with a built-in health indicator. The M500's payload of SMART attributes doesn't contain any references to flash wear or bytes written, either. Several of the SMART attributes are labeled "Vendor-specific," but you'll need to guess what they track and read the associated values using third-party software." That's a serious problem for most business use of this sort of drive. -- Greg Smith 2ndQuadrant US greg@2ndQuadrant.com Baltimore, MD PostgreSQL Training, Services, and 24x7 Support www.2ndQuadrant.com -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance