X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by svr1.postgresql.org (Postfix) with ESMTP id 92742D91A4 for ; Sun, 25 Sep 2005 13:54:03 -0300 (ADT) Received: from svr1.postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 80052-07 for ; Sun, 25 Sep 2005 16:54:01 +0000 (GMT) Received: from boutiquenumerique.com (boutiquenumerique.com [82.67.9.10]) by svr1.postgresql.org (Postfix) with ESMTP id C8E77D905E for ; Sun, 25 Sep 2005 13:53:59 -0300 (ADT) Received: (qmail 29392 invoked from network); 25 Sep 2005 18:54:46 +0200 Received: from unknown (HELO localhost) (boutiquenumerique-lists@192.168.0.4) by boutiquenumerique.com with SMTP; 25 Sep 2005 18:54:46 +0200 To: "Joshua D. Drake" Cc: "Dave Cramer" , "Michael Ben-Nes" , pgsql-performance@postgresql.org Subject: Re: Advice on RAID card References: <43367937.40809@canaan.co.il> <4336C57B.6090800@commandprompt.com> <4336CEAA.7070208@commandprompt.com> Message-ID: Date: Sun, 25 Sep 2005 18:53:57 +0200 From: PFC Organization: =?iso-8859-15?Q?La_Boutique_Num=E9rique?= Content-Type: text/plain; format=flowed; delsp=yes; charset=iso-8859-15 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit In-Reply-To: <4336CEAA.7070208@commandprompt.com> User-Agent: Opera M2/8.0 (Linux, build 1095) X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, hits=0.006 required=5 tests=[AWL=0.006] X-Spam-Level: X-Archive-Number: 200509/336 X-Sequence-Number: 14644 > There is a huge advantage to software raid on all kinds of levels. If > you have the CPU then I suggest > it. However you will never get the performance out of software raid on > the high level (think 1 gig of cache) > that you would on a software raid setup. > > It is a bit of a tradeoff but for most installations software raid is > more than adequate. Which makes me think that I will use Software Raid 5 and convert the price of the card into RAM. This should be nice for a budget server. Gonna investigate now if Linux software RAID5 is rugged enough. Can always buy the a card later if not. Thanks all for the advice, you were really helpful.