Received: from maia.hub.org (maia-5.hub.org [200.46.204.29]) by mail.postgresql.org (Postfix) with ESMTP id 45B0B632F50 for ; Wed, 11 Aug 2010 19:31:37 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.204.29]) (amavisd-maia, port 10024) with ESMTP id 53015-06 for ; Wed, 11 Aug 2010 22:31:29 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from momjian.us (momjian.us [70.90.9.53]) by mail.postgresql.org (Postfix) with ESMTP id 8D8166329BD for ; Wed, 11 Aug 2010 19:31:29 -0300 (ADT) Received: (from bruce@localhost) by momjian.us (8.11.6/8.11.6) id o7BMVQJ14609; Wed, 11 Aug 2010 18:31:26 -0400 (EDT) From: Bruce Momjian Message-Id: <201008112231.o7BMVQJ14609@momjian.us> Subject: Re: Testing Sandforce SSD In-Reply-To: <4C4B1F84.5030306@2ndquadrant.com> To: Greg Smith Date: Wed, 11 Aug 2010 18:31:26 -0400 (EDT) CC: Yeb Havinga , pgsql-performance@postgresql.org X-Mailer: ELM [version 2.4ME+ PL124 (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="US-ASCII" X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.91 tagged_above=-10 required=5 tests=BAYES_00=-1.9, T_RP_MATCHES_RCVD=-0.01 X-Spam-Level: X-Archive-Number: 201008/130 X-Sequence-Number: 39973 Greg Smith wrote: > > * How to test for power failure? > > I've had good results using one of the early programs used to > investigate this class of problems: > http://brad.livejournal.com/2116715.html?page=2 FYI, this tool is mentioned in the Postgres documentation: http://www.postgresql.org/docs/9.0/static/wal-reliability.html -- Bruce Momjian http://momjian.us EnterpriseDB http://enterprisedb.com + It's impossible for everything to be true. +