Dear Libvirt Developers,
I'm working to implement feature request [1]. The feature request proposes to enhance `libvirt' code so the API caller can specify which block devices are to be migrated using e.g. parameters in the `virDomainMigrateToURI3' call.
There is the following issues:
- It is obvious to identify devices to be migrated using the `device_name'. However, these need to be serialized in either 1) a comma-separated string or in 2) a set of values named like `blockdevice%d' with `blockdevice' value holding amount of block devices to migrate. What is the desired approach here? Can block device name contain commas or should I neglect this possibility?
- `libvirt' behavior in block devices migration was copied from the `QEMU' implementation that ignores read-only devices as well. So, `libvirt' code will need to pass this list to `QEMU' `migrate' QMP command and this argument should be implemented in the `QEMU'.
Is there any implementation advices from your side?
Pavel
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