diff options
| author | Jasper Ras <jras@hostnet.nl> | 2025-04-04 14:31:53 +0200 |
|---|---|---|
| committer | Jasper Ras <jras@hostnet.nl> | 2025-04-04 14:31:53 +0200 |
| commit | f9034731fa234a4b5efa1d2d6147fe1e798b6d36 (patch) | |
| tree | 3e0ca7f2f73dbdafd666ce0d0a7b04d457394401 /Using Libvirt to manage QEMU image bitmaps.md | |
| parent | 3f69286ef4b15161febb4a4bae085fb4c2c83bbf (diff) | |
vault backup: 2025-04-04 14:31:53
Diffstat (limited to 'Using Libvirt to manage QEMU image bitmaps.md')
| -rw-r--r-- | Using Libvirt to manage QEMU image bitmaps.md | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Using Libvirt to manage QEMU image bitmaps.md b/Using Libvirt to manage QEMU image bitmaps.md new file mode 100644 index 0000000..92eef5f --- /dev/null +++ b/Using Libvirt to manage QEMU image bitmaps.md @@ -0,0 +1,21 @@ +--- +tags: + - qemu + - libvirt +--- +To query info about block devices, including bitmaps we can use a QMP command: +``` +sudo virsh qemu-monitor-command --pretty instance-00026133 '{"execute": "query-block", "arguments": {}}' +``` + +There are six primary bitmap-management API commands: +- `block-dirty-bitmap-add` +- `block-dirty-bitmap-remove` +- `block-dirty-bitmap-clear` +- `block-dirty-bitmap-disable` +- `block-dirty-bitmap-enable` +- `block-dirty-bitmap-merge` +And one related query command: +- `query-block` + +The `node` argument to bitmap cmds can be found as `node-name` in `query-block` results.
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