From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josh Durgin Subject: Re: Status of Fencing Date: Fri, 14 Sep 2012 17:28:50 -0700 Message-ID: <5053CBC2.1050406@inktank.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pb0-f46.google.com ([209.85.160.46]:39847 "EHLO mail-pb0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751422Ab2IOA3E (ORCPT ); Fri, 14 Sep 2012 20:29:04 -0400 Received: by pbbrr13 with SMTP id rr13so6383363pbb.19 for ; Fri, 14 Sep 2012 17:29:04 -0700 (PDT) In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Mandell Degerness Cc: ceph-devel@vger.kernel.org On 09/14/2012 05:14 PM, Mandell Degerness wrote: > I was wondering if there was an update on the RBD fencing question. > Either knowing when an RBD is mounted elsewhere or being able to > enforce a fence on an RBD would be really helpful. > > -Mandell Degerness Advisory locking of rbd images is ready for review in the wip-librbd-locking branch. This lets you lock/unlock images with the rbd cli tool, so you could detect when it's being used, but fencing is not implemented yet. Josh