From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josh Durgin Subject: Re: rbd map error with new rbd format Date: Fri, 19 Oct 2012 16:52:42 -0700 Message-ID: <5081E7CA.2080801@inktank.com> References: <60E83269D669544E8069A09CB69135EA02DF21@GDC-CLDMBX-P02.whq.wistron> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mail-da0-f46.google.com ([209.85.210.46]:62067 "EHLO mail-da0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757064Ab2JSXwq (ORCPT ); Fri, 19 Oct 2012 19:52:46 -0400 Received: by mail-da0-f46.google.com with SMTP id n41so451358dak.19 for ; Fri, 19 Oct 2012 16:52:45 -0700 (PDT) In-Reply-To: <60E83269D669544E8069A09CB69135EA02DF21@GDC-CLDMBX-P02.whq.wistron> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Eric_YH_Chen@wiwynn.com Cc: ceph-devel@vger.kernel.org, Chris_YT_Huang@wiwynn.com, Victor_CY_Chang@wiwynn.com On 10/18/2012 01:01 AM, Eric_YH_Chen@wiwynn.com wrote: > Hi, Josh: > >> Yeah, format 2 and layering support is in progress for kernel rbd, >> but not ready yet. The userspace side is all ready in the master >> branch, but it takes more time to implement in the kernel. >> Btw, instead of --new-format you should use --format 2. It's in >> the man page in the master branch. > > As you mentioned before, http://www.spinics.net/lists/ceph-devel/msg08857.html > The kernel rbd is not ready at September, so we cannot map rbd to a device. > Would you mind to estimate when will be available? And which version of kernel? (3.5 or 3.6?) > Thanks! At this point format 2 is understood by the kernel, and the infrastructure for opening parent images and the I/O path for clones is in progress. We estimate about 4-8 weeks for this, but you should check back then. Kernel 3.6 was already released, so this would probably go into 3.8 or 3.9. Josh