@Soumit I tried on my local env by setting 'max_local_block_devices' to 0 in nova.conf and gets below error in Tempest.
ERROR (BadRequest): Block Device Mapping is Invalid: You specified more local devices than the limit allows (HTTP 400) (Request-ID: req- 3ef100c7-b5c5-4a2d-a5da-8344726336e2) Can you please let us know is that all setting you do for making nova boot from volume only. Also provide more information about its use cases etc. ** Also affects: nova Importance: Undecided Status: New -- You received this bug notification because you are a member of Yahoo! Engineering Team, which is subscribed to OpenStack Compute (nova). https://bugs.launchpad.net/bugs/1436314 Title: Option to boot VM only from volume is not available Status in OpenStack Compute (Nova): New Status in Tempest: New Bug description: Issue: When service provider wants to use only boot from volume option for booting a server then the integration tests fails. No option in Tempest to use only boot from volume for booting the server. Expected : a parameter in Tempest.conf for option of boot_from_volume_only for all the tests except for image tests. $ nova boot --flavor FLAVOR_ID [--image IMAGE_ID] / [ --boot-volume BOOTABLE_VOLUME] To manage notifications about this bug go to: https://bugs.launchpad.net/nova/+bug/1436314/+subscriptions -- Mailing list: https://launchpad.net/~yahoo-eng-team Post to : yahoo-eng-team@lists.launchpad.net Unsubscribe : https://launchpad.net/~yahoo-eng-team More help : https://help.launchpad.net/ListHelp