openstack server create has the following flag to specify the volume creation during server creation which takes volume_type as a argument: --block-device Create a block device on the server. Either a path to a JSON file or a CSV-serialized string describing the block device mapping. The following keys are accepted for both: uuid=<uuid>: UUID of the volume, snapshot or ID (required if using source image, snapshot or volume), source_type=<source_type>: source type (one of: image, snapshot, volume, blank), destination_type=<destination_type>: destination type (one of: volume, local) (optional), disk_bus=<disk_bus>: device bus (one of: uml, lxc, virtio, ...) (optional), device_type=<device_type>: device type (one of: disk, cdrom, etc. (optional), device_name=<device_name>: name of the device (optional), volume_size=<volume_size>: size of the block device in MiB (for swap) or GiB (for everything else) (optional), guest_format=<guest_format>: format of device (optional), boot_index=<boot_index>: index of disk used to order boot disk (required for volume-backed instances), delete_on_termination=<true|false>: whether to delete the volume upon deletion of server (optional), tag=<tag>: device metadata tag (optional), volume_type=<volume_type>: type of volume to create (name or ID) when source if blank, image or snapshot and dest is volume (optional) ________________________________ From: garcetto <garcetto@gmail.com> Sent: 29 January 2024 15:36 To: OpenStack Discuss <openstack-discuss@lists.openstack.org> Subject: [cinder][nova] server create boot volume choosing CAUTION: This email originates from outside THG ________________________________ good afternoon, i have multiple backend types, so also different volumes types; is there an option on "openstack server create" to also specify the volume type on instance creation time? thank you.