diff options
| author | Wen Congyang <wency@cn.fujitsu.com> | 2015-07-15 17:18:32 +0800 |
|---|---|---|
| committer | Changlong Xie <xiecl.fnst@cn.fujitsu.com> | 2016-04-01 11:07:28 +0800 |
| commit | f68ad9b28474329b03a24ac7e2314b6659f59a7d (patch) | |
| tree | 1f0ab7ef325975d51d5008b1c76b58f8111d5aff /docs/README.colo | |
| parent | ccf7ac1404da0d94ddd4f2c948d3bd797ca8febf (diff) | |
docs: add colo readme
add colo readme, refer to
http://wiki.xen.org/wiki/COLO_-_Coarse_Grain_Lock_Stepping
Signed-off-by: Yang Hongyang <hongyang.yang@easystack.cn>
Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Signed-off-by: Changlong Xie <xiecl.fnst@cn.fujitsu.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Acked-by: Wei Liu <wei.liu2@citrix.com>
Diffstat (limited to 'docs/README.colo')
| -rw-r--r-- | docs/README.colo | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/docs/README.colo b/docs/README.colo new file mode 100644 index 0000000000..466eb72152 --- /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. |