From: Zhang Chen <chen.zh...@intel.com> This diagram make user better understand COLO. Suggested by Markus Armbruster.
Signed-off-by: Zhang Chen <zhangc...@gmail.com> Signed-off-by: Zhang Chen <chen.zh...@intel.com> Signed-off-by: Jason Wang <jasow...@redhat.com> --- docs/COLO-FT.txt | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/docs/COLO-FT.txt b/docs/COLO-FT.txt index 70cfb9c..6302469 100644 --- a/docs/COLO-FT.txt +++ b/docs/COLO-FT.txt @@ -110,6 +110,40 @@ Note: HeartBeat has not been implemented yet, so you need to trigger failover process by using 'x-colo-lost-heartbeat' command. +== COLO operation status == + ++-----------------+ +| | +| Start COLO | +| | ++--------+--------+ + | + | Main qmp command: + | migrate-set-capabilities with x-colo + | migrate + | + v ++--------+--------+ +| | +| COLO running | +| | ++--------+--------+ + | + | Main qmp command: + | x-colo-lost-heartbeat + | or + | some error happened + v ++--------+--------+ +| | send qmp event: +| COLO failover | COLO_EXIT +| | ++-----------------+ + +COLO use the qmp command to switch and report operation status. +The diagram just shows the main qmp command, you can get the detail +in test procedure. + == Test procedure == 1. Startup qemu Primary: -- 2.5.0
