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Diffstat (limited to '3 Resources/libvirt/Using Virsh to manage bitmaps.md')
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diff --git a/3 Resources/libvirt/Using Virsh to manage bitmaps.md b/3 Resources/libvirt/Using Virsh to manage bitmaps.md new file mode 100644 index 0000000..5cb41f3 --- /dev/null +++ b/3 Resources/libvirt/Using Virsh to manage bitmaps.md @@ -0,0 +1,23 @@ +--- +tags: + - libvirt + - qemu +references: + - https://qemu-project.gitlab.io/qemu/interop/bitmaps.html +--- +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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