Questions tagged [libvirt-guests]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
0 answers
12 views

Cannot share an NFS directory with a Fedora host on Vagrant/libvirt

I am running a Fedora machine with Vagrant over libvirt: # -*- mode: ruby -*- # vi: set ft=ruby : # All Vagrant configuration is done below. The "2" in Vagrant.configure # configures the ...
gkaf's user avatar
  • 1
1 vote
0 answers
83 views

Virtualized Centos 7 on Ubuntu host: very slow I/O

I run a Centos 7 virtualized in Ubuntu 20.04. There is a huge I/O performance drop in the VM compared to the host. The host has plenty of RAM. Host: * MB/s = 1,000,000 bytes/s * KB = 1000 bytes, KiB = ...
Laurent's user avatar
  • 416
1 vote
2 answers
1k views

KVM quests "stuttering"/"freezing" intermittently on Debian 10

I'm using KVM on Debian 10 as host and for now two guests that are Debian 10 as well. The guests are "stuttering" frequently, what I mean by that is that like at least several times an hour ...
LetMeSOThat4U's user avatar
1 vote
1 answer
2k views

Where is virsh save directory location defined

The default location of the virsh save myVm goes into /var/lib/something which makes my slash partition full on a Vm save, which is really anoying. I could not figure out where is the virsh save myVm ...
Philippe Gachoud's user avatar
1 vote
0 answers
560 views

Libvirt VM using twice it's memory

Running on Ubuntu server, a CentOS 7 VM is eating the memory : Host: # free -m total used free shared buff/cache available Mem: 80140 71676 ...
Laurent's user avatar
  • 416
0 votes
0 answers
138 views

gcp suspending active libvirt guests

I am facing the issue where GCP is suspending all the active libvirt guests frequently. Below are the logs from syslog. google-clock-skew: INFO Synced system time with hardware clock. systemd[1]: ...
user550256's user avatar
0 votes
1 answer
387 views

How to route network traffic between KVM and VirtualBox?

Is there a simple way to route network traffic between two VMs, one in virtualbox and the other in KVM/libvirt? In the KVM World, I can see the virbr interfaces (Virtual Bridges?) and they have an IP ...
Aldo Bassanini's user avatar
1 vote
1 answer
334 views

Assign ethernet alias to KVM guest

I have a pool of IP addresses and a single ethernet cable. I have set aliases: auto enp2s0:0 iface enp2s0:0 inet static address x.x.x.x netmask x.x.x.x I want to dedicate some of the aliases to ...
Laurent's user avatar
  • 416
0 votes
1 answer
1k views

Missing KVM snapshots in virt-manager

I need to resize an image and receive an error when using qemu-img the resize is not supported because snapshots exist. Sure enough, even though virt-manager does not show any snapshots, I see the ...
rwfitzy's user avatar
  • 233
3 votes
0 answers
3k views

Delayed start for Guests KVM/libvirt

Looking for any pointers anyone may have to introduce a delayed start for KVM guests i.e. 30 seconds between starting each virtual server rather than starting them all at once which thrashes the disks ...
Backtogeek's user avatar