On Tue, Mar 15, 2022 at 10:39:50AM +0000, lejeczek wrote: > Hi guys. > > Without explicitly, manually using watchdog device for a VM, the VM (centOS > 8 Stream 4.18.0-365.el8.x86_64) shows '/dev/watchdog' exists. > To double check - 'dumpxml' does not show any such device - what kind of a > 'watchdog' that is?
The kernel can always provide a pure software watchdog IIRC. It can be useful if a userspace app wants a watchdog. The limitation is that it relies on the kernel remaining functional, as there's no hardware backing it up. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
