Difference between revisions of "Virsh setvcpus"
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↑ https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html-single/virtualization_deployment_and_administration_guide/index
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https://libvirt.org/sources/virshcmdref/html-single/#sect-setvcpus | https://libvirt.org/sources/virshcmdref/html-single/#sect-setvcpus | ||
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* <code>virsh setvcpus VM_NAME 5 --live</code> | * <code>virsh setvcpus VM_NAME 5 --live</code> | ||
* <code>virsh setvcpus VM_NAME 5 --config --maximum</code> | * <code>virsh setvcpus VM_NAME 5 --config --maximum</code> | ||
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* <code>virsh setvcpus VM_NAME 5 --config --live</code> | * <code>virsh setvcpus VM_NAME 5 --config --live</code> | ||
| + | * <code>virsh setvcpus --count 10 VM_NAME</code> | ||
| + | |||
| + | Check: | ||
| + | * <code>[[virsh dominfo]] VM_NAME | grep CPU</code> | ||
| + | * <code>[[virsh vcpucount]] VM_NAME</code> | ||
| + | |||
| + | |||
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| + | * Hot unplugging vCPUs is not supported on [[Red Hat Enterprise Linux 7]]<ref>https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html-single/virtualization_deployment_and_administration_guide/index</ref> | ||
| + | |||
| + | 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 | ||
| + | <code>virsh setvcpus --count 10 VM_NAME</code> | ||
| + | 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 commands == | ||
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* <code>[[virsh edit]]</code> | * <code>[[virsh edit]]</code> | ||
* <code>[[virsh vcpuinfo]]</code> | * <code>[[virsh vcpuinfo]]</code> | ||
| + | * <code>[[virsh vcpucount]]</code> | ||
* <code>[[virsh dumpxml]]</code>: <code><vcpu placement='static'>4</vcpu></code> | * <code>[[virsh dumpxml]]</code>: <code><vcpu placement='static'>4</vcpu></code> | ||
| + | * <code>[[virt-xml]]</code> | ||
| + | * <code>[[virsh domstats]]</code> | ||
| + | |||
| + | == Related terms == | ||
| + | <vcpu placement='static'>4</vcpu> | ||
| + | |||
| + | |||
| + | <pre> | ||
| + | /var/log/libvirt/qemu/VM_MACHINE_NAME.log | ||
| + | .../... -smp 2,sockets=2,cores=1,threads=1 .../... | ||
| + | </pre> | ||
| + | |||
| + | * [[Multipass: Modify number of CPU on an existing instance]] | ||
== See also == | == See also == | ||
| + | * [[Virsh CPU Commands]] | ||
| + | * {{virsh cpu}} | ||
* {{virsh}} | * {{virsh}} | ||
[[Category:Virsh]] | [[Category:Virsh]] | ||
Latest revision as of 08:18, 21 October 2020
https://libvirt.org/sources/virshcmdref/html-single/#sect-setvcpus
virsh setvcpus VM_NAME 5 --livevirsh setvcpus VM_NAME 5 --config --maximumvirsh setvcpus VM_NAME 5 --configvirsh setvcpus VM_NAME 5 --config --live
virsh setvcpus --count 10 VM_NAME
Check:
virsh dominfo VM_NAME | grep CPUvirsh vcpucount VM_NAME
- Hot unplugging vCPUs is not supported on Red Hat Enterprise Linux 7[1]
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[edit]
virsh maxvcpushttps://libvirt.org/sources/virshcmdref/html-single/#sect-maxvcpusvirsh setmemvirsh editvirsh vcpuinfovirsh vcpucountvirsh dumpxml:<vcpu placement='static'>4</vcpu>virt-xmlvirsh domstats
Related terms[edit]
<vcpu placement='static'>4</vcpu>
/var/log/libvirt/qemu/VM_MACHINE_NAME.log .../... -smp 2,sockets=2,cores=1,threads=1 .../...
See also[edit]
- Virsh CPU Commands
- Virsh CPU Commands:
virsh vcpuinfo,virsh setvcpus,virsh vcpucount virsh: Storage information, Connecting, Operations, Memory, Snapshots, Networking, CPU, release notes,virsh nodedev-list
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