Received: from localhost (unknown [200.46.204.183]) by postgresql.org (Postfix) with ESMTP id EEADE9F9C29 for ; Sat, 8 Sep 2007 14:02:58 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.183]) (amavisd-maia, port 10024) with ESMTP id 05055-06 for ; Sat, 8 Sep 2007 14:02:53 -0300 (ADT) X-Greylist: from auto-whitelisted by SQLgrey-1.7.5 Received: from lists.commandprompt.com (host-254.commandprompt.net [207.173.203.254]) by postgresql.org (Postfix) with ESMTP id 76BFE9F9C23 for ; Sat, 8 Sep 2007 14:02:53 -0300 (ADT) Received: from [192.168.1.2] (or-69-34-217-90.sta.embarqhsd.net [69.34.217.90]) (authenticated bits=0) by lists.commandprompt.com (8.13.7/8.13.6) with ESMTP id l88H2Y5U016318 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 8 Sep 2007 10:02:35 -0700 Message-ID: <46E2D5A9.3060304@commandprompt.com> Date: Sat, 08 Sep 2007 10:02:33 -0700 From: "Joshua D. Drake" User-Agent: Thunderbird 1.5.0.13 (X11/20070824) MIME-Version: 1.0 To: Gregory Stark CC: Simon Riggs , Bernd Helmle , mfatticcioni@mbigroup.it, pgsql-performance@postgresql.org Subject: Re: DRBD and Postgres: how to improve the perfomance? References: <2C070D1C3970467FF64F6B6A@imhotep.credativ.de> <1189232904.4281.19.camel@ebony.site> <87k5r1zd52.fsf@oxford.xeocode.com> <46E2CAAF.50205@commandprompt.com> <87642lyuey.fsf@oxford.xeocode.com> In-Reply-To: <87642lyuey.fsf@oxford.xeocode.com> X-Enigmail-Version: 0.94.2.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Virus-Scanned: ClamAV 0.91.1/4194/Fri Sep 7 21:33:29 2007 on projects.commandprompt.com X-Virus-Status: Clean X-Greylist: Sender succeded SMTP AUTH authentication, not delayed by milter-greylist-1.6 (lists.commandprompt.com [192.168.2.159]); Sat, 08 Sep 2007 10:02:35 -0700 (PDT) X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200709/149 X-Sequence-Number: 26694 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Gregory Stark wrote: > "Joshua D. Drake" writes: > >> That chance is minuscule or at least should be. Of course we are >> assuming some level of conditioned power that is independent of the >> power bus, e.g; a UPS. > > I find your faith in UPSes charmingly quaint. It isn't my faith in a UPS. It is my real world knowledge. Further I will exert what I already replied to Stefan: city power->line conditioning generator->panel->plug->UPS->server You would have to have lightning handed by God to your server to have a total power failure without proper shutdown in the above scenario. Sincerely, Joshua D. Drake - -- === The PostgreSQL Company: Command Prompt, Inc. === Sales/Support: +1.503.667.4564 24x7/Emergency: +1.800.492.2240 PostgreSQL solutions since 1997 http://www.commandprompt.com/ UNIQUE NOT NULL Donate to the PostgreSQL Project: http://www.postgresql.org/about/donate PostgreSQL Replication: http://www.commandprompt.com/products/ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFG4tWpATb/zqfZUUQRAl00AJ4jC/CWkqrxeUjT0REedQAG3cvPPgCcCKkU zbCu41UT25PnL7f7bT7dfXQ= =tV5r -----END PGP SIGNATURE-----