On 2018年09月03日 12:39, Zhang Chen wrote:
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>
---
docs/COLO-FT.txt | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/docs/COLO-FT.txt b/docs/COLO-FT.txt
index d7c7dcda8f..d5007895d1 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 switching and report operation status.
It looks to me that "to switch" is better.
+The diagram just write the main qmp command, you can get the detail
+in test procedure.
s/write/shows/
I will fix this patch directly.
Thanks
+
== Test procedure ==
1. Startup qemu
Primary:
