On the primary side we don't actually need the replication block driver, since it only passes trough all IO. So simplify the setup and also use 'blockdev-add' instead of 'human-monitor-command'.
Signed-off-by: Lukas Straub <[email protected]> Tested-by: Lukas Straub <[email protected]> --- docs/system/qemu-colo.rst | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/docs/system/qemu-colo.rst b/docs/system/qemu-colo.rst index 2052e207e57afdd3ab3ab1a447d55f5e2e5b5b87..7e361998d871b2c9a0e8065a15c004a9d841958b 100644 --- a/docs/system/qemu-colo.rst +++ b/docs/system/qemu-colo.rst @@ -233,8 +233,8 @@ Note: **4.** On Primary VM's QEMU monitor, issue command:: {"execute":"qmp_capabilities"} - {"execute": "human-monitor-command", "arguments": {"command-line": "drive_add -n buddy driver=replication,mode=primary,file.driver=nbd,file.host=127.0.0.2,file.port=9999,file.export=parent0,node-name=replication0"}} - {"execute": "x-blockdev-change", "arguments":{"parent": "colo-disk0", "node": "replication0" } } + {"execute": "blockdev-add", "arguments": {"driver": "nbd", "node-name": "nbd0", "server": {"type": "inet", "host": "127.0.0.2", "port": "9999"}, "export": "parent0", "detect-zeroes": "on"} } + {"execute": "x-blockdev-change", "arguments":{"parent": "colo-disk0", "node": "nbd0" } } {"execute": "migrate-set-capabilities", "arguments": {"capabilities": [ {"capability": "x-colo", "state": true } ] } } {"execute": "migrate", "arguments": {"uri": "tcp:127.0.0.2:9998" } } @@ -262,7 +262,7 @@ Primary Failover The Secondary died, resume on the Primary:: {"execute": "x-blockdev-change", "arguments":{ "parent": "colo-disk0", "child": "children.1"} } - {"execute": "human-monitor-command", "arguments":{ "command-line": "drive_del replication0" } } + {"execute": "blockdev-del", "arguments": {"node-name": "nbd0"} } {"execute": "object-del", "arguments":{ "id": "comp0" } } {"execute": "object-del", "arguments":{ "id": "iothread1" } } {"execute": "object-del", "arguments":{ "id": "m0" } } @@ -302,8 +302,8 @@ Wait until disk is synced, then:: {"execute": "stop"} {"execute": "block-job-cancel", "arguments":{ "device": "resync"} } - {"execute": "human-monitor-command", "arguments":{ "command-line": "drive_add -n buddy driver=replication,mode=primary,file.driver=nbd,file.host=127.0.0.2,file.port=9999,file.export=parent0,node-name=replication0"}} - {"execute": "x-blockdev-change", "arguments":{ "parent": "colo-disk0", "node": "replication0" } } + {"execute": "blockdev-add", "arguments": {"driver": "nbd", "node-name": "nbd0", "server": {"type": "inet", "host": "127.0.0.2", "port": "9999"}, "export": "parent0", "detect-zeroes": "on"} } + {"execute": "x-blockdev-change", "arguments":{ "parent": "colo-disk0", "node": "nbd0" } } {"execute": "object-add", "arguments":{ "qom-type": "filter-mirror", "id": "m0", "netdev": "hn0", "queue": "tx", "outdev": "mirror0" } } {"execute": "object-add", "arguments":{ "qom-type": "filter-redirector", "id": "redire0", "netdev": "hn0", "queue": "rx", "indev": "compare_out" } } @@ -334,8 +334,8 @@ Wait until disk is synced, then:: {"execute": "stop"} {"execute": "block-job-cancel", "arguments":{ "device": "resync" } } - {"execute": "human-monitor-command", "arguments":{ "command-line": "drive_add -n buddy driver=replication,mode=primary,file.driver=nbd,file.host=127.0.0.1,file.port=9999,file.export=parent0,node-name=replication0"}} - {"execute": "x-blockdev-change", "arguments":{ "parent": "colo-disk0", "node": "replication0" } } + {"execute": "blockdev-add", "arguments": {"driver": "nbd", "node-name": "nbd0", "server": {"type": "inet", "host": "127.0.0.1", "port": "9999"}, "export": "parent0", "detect-zeroes": "on"} } + {"execute": "x-blockdev-change", "arguments":{ "parent": "colo-disk0", "node": "nbd0" } } {"execute": "object-add", "arguments":{ "qom-type": "filter-mirror", "id": "m0", "insert": "before", "position": "id=rew0", "netdev": "hn0", "queue": "tx", "outdev": "mirror0" } } {"execute": "object-add", "arguments":{ "qom-type": "filter-redirector", "id": "redire0", "insert": "before", "position": "id=rew0", "netdev": "hn0", "queue": "rx", "indev": "compare_out" } } -- 2.39.5
