Hi, we are getting Openstack instance automatically shut down. Instance not shut down from horizon/cli & from inside instance. This is happening randomly in our environment. Please help us to solve this. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cat /etc/nova/nova.conf [DEFAULT] sync_power_state_interval=-1 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Here is log: [root@compute2 ~]# cat /var/log/nova/nova-compute.log |grep 4e143f50-49d4-40c9-b80e-c99dfe45d9d4 2019-01-30 08:06:18.750 417615 INFO nova.compute.manager [-] [instance: 4e143f50-49d4-40c9-b80e-c99dfe45d9d4] VM Stopped (Lifecycle Event) 2019-01-30 08:06:18.855 417615 INFO nova.compute.manager [req-c2b7b111-e124-4aac-8971-59c3f840bacc - - - - -] [instance: 4e143f50-49d4-40c9-b80e-c99dfe45d9d4] During _sync_instance_power_state the DB power_state (1) does not match the vm_power_state from the hypervisor (4). Updating power_state in the DB to match the hypervisor. 2019-01-30 08:06:19.027 417615 WARNING nova.compute.manager [req-c2b7b111-e124-4aac-8971-59c3f840bacc - - - - -] [instance: 4e143f50-49d4-40c9-b80e-c99dfe45d9d4] Instance shutdown by itself. Calling the stop API. Current vm_state: active, current task_state: None, original DB power_state: 1, current VM power_state: 4 2019-01-30 08:06:19.376 417615 INFO nova.compute.manager [req-c2b7b111-e124-4aac-8971-59c3f840bacc - - - - -] [instance: 4e143f50-49d4-40c9-b80e-c99dfe45d9d4] Instance is already powered off in the hypervisor when stop is called. 2019-01-30 08:06:19.441 417615 INFO nova.virt.libvirt.driver [req-c2b7b111-e124-4aac-8971-59c3f840bacc - - - - -] [instance: 4e143f50-49d4-40c9-b80e-c99dfe45d9d4] Instance already shutdown. 2019-01-30 08:06:19.445 417615 INFO nova.virt.libvirt.driver [-] [instance: 4e143f50-49d4-40c9-b80e-c99dfe45d9d4] Instance destroyed successfully. Thanks & B’Rgds, Rony