What is Shelving ?

Shelving is a term using in Openstack. Shelving stops the instance and takes a snapshot of it. Then depending on the value of the shelved_offload_time config option, the instance is deleted from the hypervisor (0), never deleted (-1), or deleted after some period of time (> 0). Note that it’s just destroying the backing instance…

How to See attached volumes from an Instance

The following CLI will give you the list of attached Volumes to an Instance. stack@devstack:~$ nova –debug show¬† b20ec423-6760-43dc-b406-6c86c808ed02 | grep os-extended-volumes:volumes_attached The output will be like this. Because I am attaching two volumes to this Instance “os-extended-volumes:volumes_attached | [{“id”: “fbd5829c-7cee-41dd-9739-07b52d519055”, “delete_on_termination”: false}, {“id”: “24dacd86-218b-4ab7-bd4d-2dcb42a37207”, “delete_on_termination”: false}] |” These are my volumes fbd5829c-7cee-41dd-9739-07b52d519055 24dacd86-218b-4ab7-bd4d-2dcb42a37207 Listing…

Conflict (HTTP 409) (Request-ID:req-171708bf-8bee-4b4d-b836-1d0fd02db4bc)

Some times, we will face issue with deleting subnet and network from Openstack. When you tried to delete a subnet, it may gives you an error as follows. root@node-myenv:~# neutron net-delete b862b0f8-0b83-469e-a2ed-63a668bc5f1d Conflict: Conflict (HTTP 409) (Request-ID: req-05d8add9-c1a6-44a3-9a5c-5758abf39e27) This could be happens, when an Orphan port is still their in your environment even after you…