28 Apr
2026
28 Apr
'26
4:18 p.m.
Hi, via virsh blockcopy I can live migrate disks between paths. Internally, this seems to use QEMU's drive-mirror or blockdev-mirror. Is something similar possible with the EFI NVRAM / vars file? blockcopy does not work, as judging by the code it only searches disk elements in the domain XML definition, which doesn't include single files like this. Under the hood, however, the vars file is represented in QEMU as a -blockdev. Judging by the docs for virDomainQemuMonitorCommand, it is unsafe to manually command QEMU to move this file around via drive-mirror and friends. Is there an alternative approach? Thanks, Jakob