From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lai Jiangshan Subject: Re: [PATCH RFC] remus: implement remus replicated checkpointing disk Date: Wed, 12 Mar 2014 20:28:14 +0800 Message-ID: <532052DE.80908@cn.fujitsu.com> References: <1392023972-24675-1-git-send-email-laijs@cn.fujitsu.com> <1393383209-4449-1-git-send-email-laijs@cn.fujitsu.com> <531FC7F3.5060202@cn.fujitsu.com> <1394618836.21145.11.camel@kazak.uk.xensource.com> <53204B95.6060901@cn.fujitsu.com> <1394626654.21145.45.camel@kazak.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1394626654.21145.45.camel@kazak.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Ian Campbell Cc: Dong Eddie , FNST-Wen Congyang , Stefano Stabellini , Andrew Cooper , Jiang Yunhong , Ian Jackson , "xen-devel@lists.xen.org" , rshriram@cs.ubc.ca, Roger Pau Monne List-Id: xen-devel@lists.xenproject.org On 03/12/2014 08:17 PM, Ian Campbell wrote: > On Wed, 2014-03-12 at 19:57 +0800, Lai Jiangshan wrote: >> On 03/12/2014 06:07 PM, Ian Campbell wrote: >>> On Wed, 2014-03-12 at 10:35 +0800, Lai Jiangshan wrote: >>>>> 2. The tapdisk based replication unfortunately is outdated. Please correct me if I have got this wrong. >>>>> Haven't we decided to get rid of blktap2 and go with the qemu disk models? In which case, the tapdisk >>>>> remus code has to be ported into some qemu disk variant. >>>> >>>> We are implementing *qemu* replicated checkpointing disk, but we can't make it public even we have done, >>>> we need to delay the publication due to we are paid to implement it by a paid customer. >>> >>> Are you saying you are never going to be able to make this code public? >>> Or just that it will be delayed by some months? >> >> It will be just delayed, but it will be public finally. >> >> This private code is just under implementing, it is far from mature. >> I hope the community also makes efforts to it. > > Are you asking that people work on this feature in parallel with you > building the same thing privately? That doesn't seem likely. > It may or may not be the same. our private implementing is too slow, If the community do it so, we will definitely join in.