[Linux] KVM ISO 부팅

virsh CMD로 인스턴스 확인

[root@test01 ~]# virsh list --all

 Id    Name                           State

 4     instance-000001fd              running
 5     instance-00000221              running
 6     instance-0000021e              running
 8     instance-00000200              running
 9     instance-00000224              running
 18    instance-0000021b              running
 36    instance-00000203              running
 -     instance-0000020c              shut off

[root@test01 ~]# virsh edit instance-0000020c

boot hd 삭제

      <target dev='vda' bus='virtio'/>
      <serial>2cd38932-1d9a-42bd-b1eb-292993cfad6e</serial>
      <boot order='2'/>

      <target dev='vdb' bus='virtio'/>
      <serial>59d991a3-f1bc-4906-a700-2cdefcfc3d57</serial>
       <boot order='1'/>

오픈스택 서버 정보 조회(컴퓨트 노드)

(overcloud) [root@testVM01 ~]# openstack server show ca753c94-fd87-4696-8c75-418364a18b2b

Active 활성화(안되면 재부팅 됨 or 적용 안됨)
nova reset-state --active --all-tenants ca753c94-fd87-4696-8c75-418364a18b2b(서버 명 or 서버 id)