From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Disseldorp Subject: Re: [PATCH 0/2] ceph osd: initial VMware VAAI support Date: Thu, 10 Mar 2016 13:04:23 +0100 Message-ID: <20160310130423.1383631a@echidna.suse> References: <[PATCH 0/2] ceph osd: initial VMware VAAI support> <1457591672-17430-1-git-send-email-mchristi@redhat.com> <56E11607.8070200@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de ([195.135.220.15]:36088 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753629AbcCJMEZ (ORCPT ); Thu, 10 Mar 2016 07:04:25 -0500 In-Reply-To: <56E11607.8070200@redhat.com> Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Mike Christie Cc: ceph-devel@vger.kernel.org On Thu, 10 Mar 2016 00:36:55 -0600, Mike Christie wrote: ... > > This does not include support for XCOPY/extended copy. I > > am still looking into this, but it seems it might be > > difficult to support due to rbd being more tuned to cloning > > entire devices. When we implement VASA, the cloneVirtualVolume > > might be something we can support though. I suppose the src-and-dest-in-same-pg requirement would complicate things quite a bit, but wouldn't clonerange be an option for XCOPY offloads? Cheers, David