Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1UfKta-0008GG-OL for pgsql-performance@arkaria.postgresql.org; Thu, 23 May 2013 02:04:46 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.72) (envelope-from ) id 1UfKtZ-00087q-6V for pgsql-performance@arkaria.postgresql.org; Thu, 23 May 2013 02:04:45 +0000 Received: from makus.postgresql.org ([2001:4800:7903:4::125]) by malur.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1UfKtY-00087k-2R for pgsql-performance@postgresql.org; Thu, 23 May 2013 02:04:44 +0000 Received: from [2404:130:0:10::40:2] (helo=mail.catalyst.net.nz) by makus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1UfKtU-0002B2-NM for pgsql-performance@postgresql.org; Thu, 23 May 2013 02:04:43 +0000 Received: from localhost (localhost [127.0.0.1]) by mail.catalyst.net.nz (Postfix) with ESMTP id 4FFE13366A; Thu, 23 May 2013 14:04:37 +1200 (NZST) X-Virus-Scanned: Debian amavisd-new at catalyst.net.nz Received: from mail.catalyst.net.nz ([127.0.0.1]) by localhost (bertrand.catalyst.net.nz [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 7pk3f2Rv9PNC; Thu, 23 May 2013 14:04:32 +1200 (NZST) Received: from [IPv6:2404:130:0:1000:222:4dff:fe88:a586] (unknown [IPv6:2404:130:0:1000:222:4dff:fe88:a586]) (Authenticated sender: mark.kirkwood) by mail.catalyst.net.nz (Postfix) with ESMTPSA id A73C53309F; Thu, 23 May 2013 14:04:32 +1200 (NZST) Message-ID: <519D7930.2040308@catalyst.net.nz> Date: Thu, 23 May 2013 14:04:32 +1200 From: Mark Kirkwood User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130510 Thunderbird/17.0.6 MIME-Version: 1.0 To: "Joshua D. Drake" CC: Merlin Moncure , Greg Smith , 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> In-Reply-To: <519D71AD.4080606@catalyst.net.nz> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Host-Lookup-Failed: Reverse DNS lookup failed for 2404:130:0:10::40:2 (failed) X-Pg-Spam-Score: 1.6 (+) 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 23/05/13 13:32, Mark Kirkwood wrote: > On 23/05/13 13:01, Joshua D. Drake wrote: >> >> On 05/22/2013 04:37 PM, Merlin Moncure wrote: >>> >>> On Wed, May 22, 2013 at 5:42 PM, Joshua D. Drake >>> wrote: >>>> I am curious how the 710 or S3700 stacks up against the new M500 from >>>> Crucial? I know Intel is kind of the goto for these things but the >>>> m500 is >>>> power off protected and rated at: Endurance: 72TB total bytes >>>> written (TBW), >>>> equal to 40GB per day for 5 years . >>> >>> I don't think the m500 is power safe (nor is any drive at the <1$/gb >>> price point). >> >> According the the data sheet it is power safe. >> >> http://investors.micron.com/releasedetail.cfm?ReleaseID=732650 >> http://www.micron.com/products/solid-state-storage/client-ssd/m500-ssd >> >> > > Yeah - they apparently have a capacitor on board. > Make that quite a few capacitors (top right corner): http://regmedia.co.uk/2013/05/07/m500_4.jpg -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance