Received: from localhost (unknown [200.46.204.184]) by postgresql.org (Postfix) with ESMTP id 814E42E0093 for ; Wed, 20 Feb 2008 04:58:26 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.184]) (amavisd-maia, port 10024) with ESMTP id 74762-01-6 for ; Wed, 20 Feb 2008 04:58:07 -0400 (AST) Received: from mail.aeccom.com (port-83-236-156-30.static.qsc.de [83.236.156.30]) by postgresql.org (Postfix) with ESMTP id C87EA2E009B for ; Wed, 20 Feb 2008 04:57:28 -0400 (AST) Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.aeccom.com (Postfix) with ESMTP id 9D00F1C0A1; Wed, 20 Feb 2008 09:57:25 +0100 (CET) Received: from mail.aeccom.com ([127.0.0.1]) by localhost (gate6.aeccom.com [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 32519-01; Wed, 20 Feb 2008 09:57:23 +0100 (CET) Received: from [192.168.2.140] (andes.core.aeccom.com [192.168.2.140]) by mail.aeccom.com (Postfix) with ESMTP id 82C5E1C605; Wed, 20 Feb 2008 09:57:23 +0100 (CET) Message-ID: <47BBEB71.5020408@aeccom.com> Date: Wed, 20 Feb 2008 09:57:21 +0100 From: Sven Geisler Organization: think project! Solutions GmbH & Co. KG User-Agent: Thunderbird 2.0.0.9 (Windows/20071031) MIME-Version: 1.0 To: Peter Koczan CC: Greg Stark , Tobias Brox , pgsql-performance Subject: Re: Anyone using a SAN? References: <4544e0330802130856t10582294lfa93bc91e234ed01@mail.gmail.com> <20080213210655.GL9596@mail.nordicbet.com> <47B41414.9030004@enterprisedb.com> <4544e0330802181344q2d98560du6bd4e481a9c9439f@mail.gmail.com> In-Reply-To: <4544e0330802181344q2d98560du6bd4e481a9c9439f@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: amavisd-new at aeccom.com X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200802/236 X-Sequence-Number: 28778 Hi Peter, Peter Koczan schrieb: > > > One of the other things I was interested in was the "hidden costs" of > a SAN. For instance, we'd probably have to invest in more UPS capacity > to protect our data. Are there any other similar points that people > don't initially consider regarding a SAN? > > There are "hidden costs". The set up of a local disk system is easy. You need only a few decisions. This is totally different when it comes to SAN. At the end of the day you need a guy who has the knowledge to design and configure such system. That's why you should buy a SAN and the knowledge from a brand or a specialist company. BTW: You can do other things with SAN you can't do with local disks. - mirroring to another location (room) - mounting snapshots on another server Sven. -- Sven Geisler Tel +49.30.921017.81 Fax .50 Senior Developer, think project! Solutions GmbH & Co. KG, Germany