From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mitsue Acosta Murakami Subject: Ceph for email storage Date: Wed, 04 Jul 2012 15:29:48 -0300 Message-ID: <4FF48B9C.3010803@webcenter.com.br> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from smarthost-smtp.wcenter.net.br ([23.23.183.176]:41311 "EHLO smtp.wcenter.net.br" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755651Ab2GDShk (ORCPT ); Wed, 4 Jul 2012 14:37:40 -0400 Sender: ceph-devel-owner@vger.kernel.org List-ID: To: ceph-devel@vger.kernel.org Hello, We are examining Ceph to use as email storage. In our current system, several clients servers with different services (imap, smtp, etc) access a NFS storage server. The mailboxes are stored in Maildir format, with many small files. We use Amazon AWS EC2 for clients and storage server. In this scenario, we have some questions about Ceph: 1. Is Ceph recommended for heavy write/read of small files? 2. Is there any problem in installing Ceph on Amazon instances? 3. Does Ceph already support quota? 4. What File System would you encourage us to use? Thanks in advance, -- Mitsue Acosta Murakami