From mboxrd@z Thu Jan 1 00:00:00 1970 From: Yang Hongyang Subject: Re: [PATCH v6 COLO 01/15] docs: add colo readme Date: Wed, 24 Jun 2015 17:13:43 +0800 Message-ID: <558A74C7.2090506@cn.fujitsu.com> References: <1433735159-26739-1-git-send-email-yanghy@cn.fujitsu.com> <1433735159-26739-2-git-send-email-yanghy@cn.fujitsu.com> <1434452219.13744.103.camel@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1434452219.13744.103.camel@citrix.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: wei.liu2@citrix.com, wency@cn.fujitsu.com, andrew.cooper3@citrix.com, yunhong.jiang@intel.com, eddie.dong@intel.com, xen-devel@lists.xen.org, guijianfeng@cn.fujitsu.com, rshriram@cs.ubc.ca, ian.jackson@eu.citrix.com List-Id: xen-devel@lists.xenproject.org On 06/16/2015 06:56 PM, Ian Campbell wrote: > On Mon, 2015-06-08 at 11:45 +0800, Yang Hongyang wrote: >> add colo readme, refer to >> http://wiki.xen.org/wiki/COLO_-_Coarse_Grain_Lock_Stepping >> >> Signed-off-by: Yang Hongyang > > This is fine as far as it goes but I wonder if perhaps > docs/README.{remus,colo} ought to be moved into docs/misc, perhaps > converted to markdown (which should be trivial) and perhaps merged into > a single document about checkpointing? Agreeed that we can add a checkpointing.txt to docs/misc, and describe remus/COLO in that file. but can we do this later when COLO feature is merged? at that time we can do this within one patch. > > The reason for the move is twofold, first it is a bit a typical for docs > to live in the top-level docs dir and secondly moving it into misc will > cause it to appear automatically at > http://xenbits.xen.org/docs/unstable/ etc. > > Ian. >> --- >> docs/README.colo | 9 +++++++++ >> 1 file changed, 9 insertions(+) >> create mode 100644 docs/README.colo >> >> diff --git a/docs/README.colo b/docs/README.colo >> new file mode 100644 >> index 0000000..466eb72 >> --- /dev/null >> +++ b/docs/README.colo >> @@ -0,0 +1,9 @@ >> +COLO FT/HA (COarse-grain LOck-stepping Virtual Machines for Non-stop Service) >> +project is a high availability solution. Both primary VM (PVM) and secondary VM >> +(SVM) run in parallel. They receive the same request from client, and generate >> +response in parallel too. If the response packets from PVM and SVM are >> +identical, they are released immediately. Otherwise, a VM checkpoint (on demand) >> +is conducted. >> + >> +See the website at http://wiki.xen.org/wiki/COLO_-_Coarse_Grain_Lock_Stepping >> +for details. > > > . > -- Thanks, Yang.