Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1Wi9Uu-0004f9-0S for pgsql-performance@arkaria.postgresql.org; Wed, 07 May 2014 21:35:28 +0000 Received: from localhost ([127.0.0.1] helo=postgresql.org) by malur.postgresql.org with smtp (Exim 4.80) (envelope-from ) id 1Wi9Ut-0007f8-Gp for pgsql-performance@arkaria.postgresql.org; Wed, 07 May 2014 21:35:27 +0000 Received: from magus.postgresql.org ([2a02:c0:301:0:ffff::29]) by malur.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1Wi9Us-0007f1-EL for pgsql-performance@postgresql.org; Wed, 07 May 2014 21:35:26 +0000 Received: from smtp-out1.gransy.com ([77.78.126.51]) by magus.postgresql.org with esmtp (Exim 4.80) (envelope-from ) id 1Wi9Ul-0005M0-8e for pgsql-performance@postgresql.org; Wed, 07 May 2014 21:35:25 +0000 Received: from smtp-out.gransy.com (localhost [127.0.0.1]) by smtp-out1.gransy.com (Postfix) with ESMTP id 9AEAE360036 for ; Wed, 7 May 2014 23:35:17 +0200 (CEST) Received: from smtp.gransy.com (smtp.simplia.cz [77.78.126.20]) by smtp-out1.gransy.com (Postfix) with ESMTP id 58BB6360005 for ; Wed, 7 May 2014 23:35:17 +0200 (CEST) Received: from [192.168.1.163] (ip-78-45-139-138.net.upcbroadband.cz [78.45.139.138]) (Authenticated sender: tv@fuzzy.cz) by smtp.gransy.com (Postfix) with ESMTPSA id 6D73219A0122 for ; Wed, 7 May 2014 23:35:11 +0200 (CEST) Message-ID: <536AA712.6030904@fuzzy.cz> Date: Wed, 07 May 2014 23:35:14 +0200 From: Tomas Vondra User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: pgsql-performance@postgresql.org Subject: Re: Specifications for a new server References: <20140506110714.GA9155@mathom.us> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Pg-Spam-Score: -1.9 (-) List-Archive: List-Help: List-ID: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: X-Mailing-List: pgsql-performance Precedence: bulk Sender: pgsql-performance-owner@postgresql.org On 6.5.2014 16:43, Dorian Hoxha wrote: > And nvram is ram on hardware-raid controller that is not erased on > reboot(battery) ? Yes. > Can this nvram be used also when the configuration is > jbod(justabunchofdisks) or some kind of raid(0/1/5/6/10 etc) is > required to use the nvram. That probably depends on the controller used. Some controllers (e.g. Dell Perc H700 and such) don't even support JBOD - an easy way around this is create single-drive RAID0 arrays (never tried it, though). Why do you even want to use JBOD? regards Tomas -- Sent via pgsql-performance mailing list (pgsql-performance@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-performance