[root@controller instances]# mysql -uroot -p000000
MariaDB [(none)]> use nova;
MariaDB [nova]> update instances set host='compute' ,node='compute' where uuid=
'2b8e5098-949d-48c2-8612-fdf39298d4ff';
验证
[root@controller instances]# nova list
[root@controller instances]# nova show vm1