From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fyodor Ustinov Subject: cluster status information Date: Thu, 26 May 2011 15:18:57 +0300 Message-ID: <4DDE4531.6060703@ufm.su> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail.ufm.su ([77.120.103.19]:34682 "EHLO mail.ufm.su" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757470Ab1EZMTB (ORCPT ); Thu, 26 May 2011 08:19:01 -0400 Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.ufm.su (Postfix) with ESMTP id C6411600485 for ; Thu, 26 May 2011 15:18:58 +0300 (EEST) Received: from mail.ufm.su ([127.0.0.1]) by localhost (mail.ufm.su [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id xjxcrjc1XyJw for ; Thu, 26 May 2011 15:18:58 +0300 (EEST) Received: from [192.168.2.22] (unknown [94.232.181.14]) by mail.ufm.su (Postfix) with ESMTPSA id 517DE600483 for ; Thu, 26 May 2011 15:18:58 +0300 (EEST) Sender: ceph-devel-owner@vger.kernel.org List-ID: To: ceph-devel@vger.kernel.org Hi! How to get information about status of each server in cluster? #ceph osd stat 2011-05-26 15:07:05.103621 mon <- [osd,stat] 2011-05-26 15:07:05.104201 mon0 -> 'e413: 6 osds: 5 up, 5 in' (0) I see - in cluster 6 osd servers and now up only 5. How do I know which server is down? More global question - how to monitor the state of servers in a cluster? WBR, Fyodor. P.S. JFYI: key "-s" do not described in manual page about ceph command.