The below command works fine. # nova resize myCirrosServer 4 --pollInstance resizing... 100% complete Finished 4.Show the status for your server: $ nova list +--------------------------------------+----------------+--------+-----------------------------------------+ | ID | Name | Status | Networks | +--------------------------------------+----------------+--------+-----------------------------------------+ | 84c6e57d-a6b1-44b6-81eb-fcb36afd31b5 | myCirrosServer | RESIZE | private=172.16.101.6, public=10.4.113.6 | +--------------------------------------+----------------+--------+-----------------------------------------+When the resize Note: I do not see teh RESIZXE but still says ACTIVE and yje nova-confirm is also not working Confirm the resize: nova resize-confirm 84c6e57d-a6b1-44b6-81eb-fcb36afd31b5 resize-confirm command it gives the below error: nova resize-confirm xxxxxxxxxxxx ERROR: Cannot 'confirmResize' while instance is in vm_state active (HTTP 409)