diff options
| author | zhanghailiang <zhang.zhanghailiang@huawei.com> | 2016-10-27 14:42:52 +0800 |
|---|---|---|
| committer | Amit Shah <amit@amitshah.net> | 2016-10-30 15:17:39 +0530 |
| commit | 35a6ed4f716c1027c04d12a3c499b2e9d6b62c24 (patch) | |
| tree | 114b6c3215043656fd9e44d8b27f8dd5dd5334ed /docs | |
| parent | 5b2ecabaeabc17f032197246c4846b9ba95ba8a6 (diff) | |
migration: Introduce capability 'x-colo' to migration
We add helper function colo_supported() to indicate whether
colo is supported or not, with which we use to control whether or not
showing 'x-colo' string to users, they can use qmp command
'query-migrate-capabilities' or hmp command 'info migrate_capabilities'
to learn if colo is supported.
The default value for COLO (COarse-Grain LOck Stepping) is disabled.
Cc: Juan Quintela <quintela@redhat.com>
Cc: Amit Shah <amit.shah@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Li Zhijian <lizhijian@cn.fujitsu.com>
Signed-off-by: Gonglei <arei.gonglei@huawei.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Amit Shah <amit@amitshah.net>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/qmp-commands.txt | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/docs/qmp-commands.txt b/docs/qmp-commands.txt index 284576d795..9bdbbfe42f 100644 --- a/docs/qmp-commands.txt +++ b/docs/qmp-commands.txt @@ -2861,6 +2861,7 @@ Enable/Disable migration capabilities - "compress": use multiple compression threads to accelerate live migration - "events": generate events for each migration state change - "postcopy-ram": postcopy mode for live migration +- "x-colo": COarse-Grain LOck Stepping (COLO) for Non-stop Service Arguments: @@ -2882,6 +2883,7 @@ Query current migration capabilities - "compress": Multiple compression threads state (json-bool) - "events": Migration state change event state (json-bool) - "postcopy-ram": postcopy ram state (json-bool) + - "x-colo": COarse-Grain LOck Stepping for Non-stop Service (json-bool) Arguments: @@ -2895,7 +2897,8 @@ Example: {"state": false, "capability": "zero-blocks"}, {"state": false, "capability": "compress"}, {"state": true, "capability": "events"}, - {"state": false, "capability": "postcopy-ram"} + {"state": false, "capability": "postcopy-ram"}, + {"state": false, "capability": "x-colo"} ]} migrate-set-parameters |