1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
=== Launch VM ===
Enabling migration QMP events on VM...
{"return": {}}
=== Migrate to file ===
{"execute": "migrate", "arguments": {"uri": "exec:cat > /dev/null"}}
{"return": {}}
{"data": {"status": "setup"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
{"data": {"status": "active"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
{"data": {"status": "completed"}, "event": "MIGRATION", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
VM is now stopped:
completed
{"execute": "query-status", "arguments": {}}
{"return": {"running": false, "singlestep": false, "status": "postmigrate"}}
=== Create a snapshot of the disk image ===
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "file", "filename": "TEST_DIR/PID-top", "size": 0}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
{"execute": "blockdev-add", "arguments": {"driver": "file", "filename": "TEST_DIR/PID-top", "node-name": "top-file"}}
{"return": {}}
{"execute": "blockdev-create", "arguments": {"job-id": "job0", "options": {"driver": "qcow2", "file": "top-file", "size": 1048576}}}
{"return": {}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
{"execute": "blockdev-add", "arguments": {"driver": "qcow2", "file": "top-file", "node-name": "top-fmt"}}
{"return": {}}
{"execute": "blockdev-snapshot", "arguments": {"node": "base-fmt", "overlay": "top-fmt"}}
{"return": {}}
=== Resume the VM and simulate a write request ===
{"execute": "cont", "arguments": {}}
{"return": {}}
{"return": ""}
=== Commit it to the backing file ===
{"execute": "block-commit", "arguments": {"auto-dismiss": false, "device": "top-fmt", "job-id": "job0", "top-node": "top-fmt"}}
{"return": {}}
{"execute": "job-complete", "arguments": {"id": "job0"}}
{"return": {}}
{"data": {"device": "job0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_READY", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
{"data": {"device": "job0", "len": 65536, "offset": 65536, "speed": 0, "type": "commit"}, "event": "BLOCK_JOB_COMPLETED", "timestamp": {"microseconds": "USECS", "seconds": "SECS"}}
{"execute": "job-dismiss", "arguments": {"id": "job0"}}
{"return": {}}
|
