"delete_on_terminate":true parameter should be added under data['server']['block_device_mapping_v2'] .
On creating nextgen rackspace server,storage volume will also be created for this .
But on deleting this server,storage volume will not be deleted if this parameter is missing,
File name:"fog/rackspace/requests/compute_v2/create_server.rb"
"delete_on_terminate":true parameter should be added under data['server']['block_device_mapping_v2'] .
Original issue opened by @cppatil at fog/fog#3814