From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wen Congyang Subject: [PATCH v10 06/31] docs: add colo readme Date: Mon, 22 Feb 2016 10:52:10 +0800 Message-ID: <1456109555-28299-7-git-send-email-wency@cn.fujitsu.com> References: <1456109555-28299-1-git-send-email-wency@cn.fujitsu.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1456109555-28299-1-git-send-email-wency@cn.fujitsu.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: xen devel , Konrad Rzeszutek Wilk , Andrew Cooper , Ian Campbell , Ian Jackson , Wei Liu Cc: Lars Kurth , Changlong Xie , Wen Congyang , Gui Jianfeng , Jiang Yunhong , Dong Eddie , Shriram Rajagopalan , Yang Hongyang List-Id: xen-devel@lists.xenproject.org add colo readme, refer to http://wiki.xen.org/wiki/COLO_-_Coarse_Grain_Lock_Stepping Signed-off-by: Yang Hongyang Acked-by: Ian Campbell Signed-off-by: Wen Congyang --- 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. -- 2.5.0