Working with KVM snapshots

irsh snapshot-create-as --domain {VM-NAME} --name "{SNAPSHOT-NAME}"
virsh list
virsh snapshot-list --domain {VM-NAME}
 
# virsh snapshot-create-as --domain freebsd \
--name "5sep2016s0" \
--description "Snapshot before upgrading to FreeBSD 11" \
--live
 
virsh snapshot-info --domain freebsd --snapshotname 5Sep2016_S1
 
# virsh shutdown --domain freebsd
# virsh snapshot-revert --domain freebsd --snapshotname 5Sep2016_S1 --running
 
virsh snapshot-delete --domain freebsd --snapshotname 5Sep2016_S2
 
How to capture disk state but not vm state
Pass the --disk-only as follows:
# virsh snapshot-create-as --name "snap01" \
--description "RHEL 7.6 snapshot" \
--disk-only \
--live
--domain rhel7-vm2