Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1UfKOk-000738-17 for pgsql-performance@arkaria.postgresql.org; Thu, 23 May 2013 01:32:54 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.72) (envelope-from ) id 1UfKOj-00047r-HA for pgsql-performance@arkaria.postgresql.org; Thu, 23 May 2013 01:32:53 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1UfKOi-00047l-G1 for pgsql-performance@postgresql.org; Thu, 23 May 2013 01:32:52 +0000 Received: from [2404:130:0:10::40:2] (helo=mail.catalyst.net.nz) by magus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1UfKOZ-0003Lq-5v for pgsql-performance@postgresql.org; Thu, 23 May 2013 01:32:51 +0000 Received: from localhost (localhost [127.0.0.1]) by mail.catalyst.net.nz (Postfix) with ESMTP id D5C2033022; Thu, 23 May 2013 13:32:36 +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 Fw7Eae6yDm04; Thu, 23 May 2013 13:32:32 +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 E8D7B32734; Thu, 23 May 2013 13:32:29 +1200 (NZST) Message-ID: <519D71AD.4080606@catalyst.net.nz> Date: Thu, 23 May 2013 13:32:29 +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> In-Reply-To: <519D6A84.7050707@commandprompt.com> 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: -1.1 (-) 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 13:01, 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. Their write endurance is where they don't compare so favorably to the S3700 (they are *much* cheaper mind you): - M500 120GB drive: 40GB per day for 5 years - S3700 100GB drive: 1000GB per day for 5 years But great to see more reasonably priced SSD with power off protection. Cheers Mark -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance