Virsh setvcpus

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https://libvirt.org/sources/virshcmdref/html-single/#sect-setvcpus

  • virsh setvcpus VM_NAME 5 --live
  • virsh setvcpus VM_NAME 5 --config --maximum
  • virsh setvcpus VM_NAME 5 --config
  • virsh setvcpus VM_NAME 5 --config --live
  • virsh setvcpus --count 10 VM_NAME


virsh setvcpus VM_NAME 2 --live
error: invalid argument: requested vcpus is greater than max allowable vcpus for the live domain: 16 > 4
virsh setvcpus VM_NAME 2 --live
error: Requested operation is not valid: domain is not running
virsh setvcpus --count 10 VM_NAME
error: Requested operation is not valid: domain is not running
virsh setvcpus VM_NAME 2 --config --maximum
(no answer on success)
virsh setvcpus VM_NAME 2 --config
(no answer on success)

Related commands

Related terms

 <vcpu placement='static'>4</vcpu>


 /var/log/libvirt/qemu/VM_MACHINE_NAME.log
.../... -smp 2,sockets=2,cores=1,threads=1 .../...

See also

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