Received: from localhost (maia-2.hub.org [200.46.204.187]) by postgresql.org (Postfix) with ESMTP id 82C529F9988 for ; Thu, 16 Aug 2007 05:52:14 -0300 (ADT) Received: from postgresql.org ([200.46.204.71]) by localhost (mx1.hub.org [200.46.204.187]) (amavisd-maia, port 10024) with ESMTP id 78380-05 for ; Thu, 16 Aug 2007 05:52:06 -0300 (ADT) X-Greylist: delayed 00:25:13.981419 by SQLgrey-1.7.5 Received: from wr-out-0506.google.com (wr-out-0506.google.com [64.233.184.227]) by postgresql.org (Postfix) with ESMTP id B11F49F97E9 for ; Thu, 16 Aug 2007 05:52:07 -0300 (ADT) Received: by wr-out-0506.google.com with SMTP id 68so143169wri for ; Thu, 16 Aug 2007 01:52:06 -0700 (PDT) Received: by 10.90.74.1 with SMTP id w1mr1981255aga.1187252812591; Thu, 16 Aug 2007 01:26:52 -0700 (PDT) Received: by 10.100.95.11 with HTTP; Thu, 16 Aug 2007 01:26:52 -0700 (PDT) Message-ID: Date: Thu, 16 Aug 2007 11:26:52 +0300 From: "Michael Ben-Nes" To: "PostgreSQL Performance" Subject: Integrated perc 5/i MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_Part_73624_29331342.1187252812325" X-Virus-Scanned: Maia Mailguard 1.0.1 X-Archive-Number: 200708/157 X-Sequence-Number: 26287 ------=_Part_73624_29331342.1187252812325 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Hi I wanted to know if the integrated perc 5/i which come with Dell 2950 will yield maximum performance from RAID 10 ( 15K SAS ). Or should I ask for different card ? I read an old post that shows that RAID 10 does not work eficently under perc 5/i http://groups.google.com/group/pgsql.performance/browse_thread/thread/b85926fe6de1f6c2/38837995887b6033?lnk=st&q=perc+5%2Fi+performance&rnum=6&hl=en#38837995887b6033 Does any one have any experience with RAID 10 & perc 5/i ? Thanks, Miki -- -------------------------------------------------- Michael Ben-Nes - Internet Consultant and Director. http://www.epoch.co.il - weaving the Net. Cellular: 054-4848113 -------------------------------------------------- ------=_Part_73624_29331342.1187252812325 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline Hi

I wanted to know if the integrated perc 5/i which come with Dell 2950 will yield maximum performance from RAID 10 ( 15K SAS ).
Or should I ask for different card ?

I read an old post that shows that RAID 10 does not work eficently under perc 5/i
http://groups.google.com/group/pgsql.performance/browse_thread/thread/b85926fe6de1f6c2/38837995887b6033?lnk=st&q=perc+5%2Fi+performance&rnum=6&hl=en#38837995887b6033

Does any one have any experience with RAID 10 & perc 5/i ?

Thanks,
Miki

--
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Michael Ben-Nes - Internet Consultant and  Director.
http://www.epoch.co.il - weaving the Net.
Cellular: 054-4848113
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