X-Original-To: pgsql-performance-postgresql.org@localhost.postgresql.org Received: from localhost (av.hub.org [200.46.204.144]) by postgresql.org (Postfix) with ESMTP id 43CBC9DCD12 for ; Mon, 20 Mar 2006 18:10:53 -0400 (AST) Received: from postgresql.org ([200.46.204.71]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 87347-01 for ; Mon, 20 Mar 2006 18:10:54 -0400 (AST) X-Greylist: from auto-whitelisted by SQLgrey- Received: from asgard1.americatelsal.com (asgard2.americatelsal.com [200.13.161.7]) by postgresql.org (Postfix) with ESMTP id 496EE9DCF77 for ; Mon, 20 Mar 2006 18:10:31 -0400 (AST) Received: (qmail 64955 invoked from network); 20 Mar 2006 22:33:14 -0000 Received: from unknown (HELO ?192.168.10.124?) (200.13.161.68) by asgard1.americatelsal.com with SMTP; 20 Mar 2006 22:33:14 -0000 Message-ID: <441F2935.6000504@123.com.sv> Date: Mon, 20 Mar 2006 16:14:13 -0600 From: Miguel User-Agent: Mozilla Thunderbird 1.0.7 (Windows/20050923) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Luke Lonergan CC: Postgresql Performance Subject: Re: Best OS & Configuration for Dual Xeon w/4GB & References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new at hub.org X-Spam-Status: No, score=0.02 required=5 tests=[AWL=0.020] X-Spam-Score: 0.02 X-Spam-Level: X-Archive-Number: 200603/349 X-Sequence-Number: 17786 Luke Lonergan wrote: >Miguel, > > >On 3/20/06 1:51 PM, "Miguel" wrote: > > > >>i forgot to mention that the 6 discs are in a MSA500 G2 external >>storadge, additionally i have two 36G a320 10k in raid 10 for the os >>installed in the server slots. >> >> > >I just checked online and I think the MSA500 G2 has it's own SCSI RAID >controllers, > Yes, it has its own redundant controller, > so you are actually just using the 5i as a SCSI attach, which >it's not good at (no reordering/command queueing, etc). So, just using a >simple SCSI adapter to connect to the MSA might be a big win. > > I will try a LS320 and will let you know if i got any performance gain, thanks for your advises --- Miguel