Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1Tibw4-0006bC-Dl for pgsql-performance@arkaria.postgresql.org; Wed, 12 Dec 2012 02:20:36 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.72) (envelope-from ) id 1Tibw3-0001i0-8p for pgsql-performance@arkaria.postgresql.org; Wed, 12 Dec 2012 02:20:35 +0000 Received: from makus.postgresql.org ([98.129.198.125]) by malur.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1Tibw2-0001hs-EQ for pgsql-performance@postgresql.org; Wed, 12 Dec 2012 02:20:34 +0000 Received: from mail-la0-f52.google.com ([209.85.215.52]) by makus.postgresql.org with esmtp (Exim 4.72) (envelope-from ) id 1Tibw0-0003UV-PE for pgsql-performance@postgresql.org; Wed, 12 Dec 2012 02:20:33 +0000 Received: by mail-la0-f52.google.com with SMTP id l5so104531lah.25 for ; Tue, 11 Dec 2012 18:20:31 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=content-type:mime-version:subject:from:in-reply-to:date:cc :content-transfer-encoding:message-id:references:to:x-mailer; bh=JtVpWC5T3UaLs9ZRy+5CRkqcq6KJWR+jIQW3bm4VzkQ=; b=iZMeiUy9nSjy/qmUAO5WuG/blsB525FXXAYkLTXri150pAy0dzZ0BVNFdF0Xm/NdYc jZYQNaKJEXs/2rfvpRRt738i5V2mjN4CfFRBg3/aRy007QsiYCF2jQGQciOG665/Dc3p RcL0xvH/rDugJfUkeyLaSXD0jrxY3lDTbRl5V2bjAWrMcheFS+/jmuchuqfSVpuhyuk3 jNG85YjWwfBKBjKMQzwjpDIhtZNMESaJyE8DRRL7u9lYaJoquGOlcmpSRQWauip9F3yC Lfr9IbIHzP7AvK1F/gpkSS/PDjfs4SgAgyn7NvAbZXqjjEJTIwS4qOVQOgEv8P5Zfain w2Fg== Received: by 10.112.25.70 with SMTP id a6mr98154lbg.117.1355278831452; Tue, 11 Dec 2012 18:20:31 -0800 (PST) Received: from [192.168.20.5] ([176.195.39.85]) by mx.google.com with ESMTPS id lr20sm548634lab.17.2012.12.11.18.20.30 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 11 Dec 2012 18:20:30 -0800 (PST) Content-Type: text/plain; charset=windows-1252 Mime-Version: 1.0 (Mac OS X Mail 6.2 \(1499\)) Subject: Re: Do I have a hardware or a software problem? From: Evgeny Shishkin In-Reply-To: <50C7E8C5.9050300@boreham.org> Date: Wed, 12 Dec 2012 06:20:29 +0400 Cc: pgsql-performance@postgresql.org Content-Transfer-Encoding: quoted-printable Message-Id: <0D2E3F80-D94B-43DA-88E3-DA036FEA2241@gmail.com> References: <8F7661E7-D6D4-4334-8C6A-A8B6C56A2C3F@autouncle.com> <50C7351C.30407@2ndQuadrant.com> <4507A68A-3CD5-4283-AFA5-1C0593427E14@autouncle.com> <67FBF3AF-5C6A-45D4-9206-7257C8C01C5E@gmail.com> <50C7D7D2.4070605@2ndQuadrant.com> <2BCB6843-1396-42C9-A5BF-21C7C978FF4B@gmail.com> <50C7DDDE.1000000@2ndQuadrant.com> <3ADBD9A3-966F-40E8-AF78-0F2093D79BEE@gmail.com> <50C7E598.2070902@2ndQuadrant.com> <8A08ED7E-CF78-4F40-ACF1-1C87CEBBD00A@gmail.com> <50C7E8C5.9050300@boreham.org> To: David Boreham X-Mailer: Apple Mail (2.1499) X-Pg-Spam-Score: -2.6 (--) 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 Dec 12, 2012, at 6:15 AM, David Boreham wrote: > On 12/11/2012 7:13 PM, Evgeny Shishkin wrote: >> Yes, i am aware of this issue. Never experienced this neither on intel 5= 20, no ocz vertex 3. >> Have you heard of them on this list? > People have done plug-pull tests and reported the results on the list (so= metime in the past couple of years). >=20 > But you don't need to do the test to know these drives are not safe. They= 're unsafe by design. >=20 Oh, there is no 100% safe system. The only way to be sure is to read data b= ack. Everything about system design is tradeoff between cost and risks. >=20 >=20 >=20 > --=20 > Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-performance --=20 Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance