From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Priebe - Profihost AG Subject: Re: Designing a cluster guide Date: Mon, 21 May 2012 10:22:29 +0200 Message-ID: <4FB9FB45.7020102@profihost.ag> References: <8423c457-a8bb-4d26-a643-9573a8bb11a5@mailpro> <4FB8A3A5.5090809@profihost.ag> <4FB8AADE.1000406@profihost.ag> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail.profihost.ag ([85.158.179.208]:35630 "EHLO mail.profihost.ag" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756318Ab2EUIWb (ORCPT ); Mon, 21 May 2012 04:22:31 -0400 In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Christian Brunner Cc: Alexandre DERUMIER , ceph-devel@vger.kernel.org, Gregory Farnum Am 20.05.2012 10:31, schrieb Christian Brunner: >> That's exactly what i thought too but then you need a seperate ceph / rbd >> cluster for each type. >> >> Which will result in a minimum of: >> 3x mon servers per type >> 4x osd servers per type >> --- >> >> so you'll need a minimum of 12x osd systems and 9x mon systems. > > You can arrange the storage types in different pools, so that you > don't need separate mon servers (this can be done by adjusting the > crushmap) and you could even run multiple OSDs per server. That sounds great. Can you give me a hint how to setup pools? Right now i have data, metadata and rbd => the default pools. But i wasn't able to find any page in the wiki which described how to setup pools. Thanks, Stefan