Re: [Libguestfs] Can I use virt-filesystem on a running VM?

On Fri, Jan 08, 2021 at 05:13:36PM -0300, Sergio Belkin wrote: Oh wait, so the error happened in the guest? That's pretty bad. virt-filesystems will place an overlay over the original disk image to protect it. We also have a regression test to ensure that nothing writes to the original disk in this situation: https://github.com/libguestfs/libguestfs/tree/master/tests/qemu However it may have been that something (SELinux? libvirtd?) saw this action and stopped the original guest from accessing its own disk. If you have time you might see if there are any SELinux or libvirt log messages associated with this. Or if the guest qemu wrote anything to its log file (/var/log/libvirt/qemu/guestname.log). Rich. -- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones Read my programming and virtualization blog: http://rwmj.wordpress.com Fedora Windows cross-compiler. Compile Windows programs, test, and build Windows installers. Over 100 libraries supported. http://fedoraproject.org/wiki/MinGW