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 4 --live
error: invalid argument: requested vcpus is greater than max allowable vcpus for the live domain: 16 > 4
virsh setvcpus VM_NAME 4 --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 4 --config --maximum
(no answer on success)

Related commands

See also

  • https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html-single/virtualization_deployment_and_administration_guide/index
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