Package: debian Version: 8 Severity: normal Priority: standard Using:
http://cdimage.debian.org/cdimage/openstack/current-8/debian-8-openstack-amd64.raw <http://cdimage.debian.org/cdimage/openstack/current-8/debian-8-openstack-amd64.raw> To create an image: openstack image create \ --property hw_scsi_model=virtio-scsi \ --property hw_disk_bus=scsi \ --disk-format raw \ --container-format bare \ --file debian-8-openstack-amd64.raw If: hw_scsi_model=virtio-scsi hw_disk_bus=virtio Then the instance boots fine. However, to enable fstrim/discard: hw_scsi_model=virtio-scsi hw_disk_bus=scsi Is required, but the instance fails to boot. The console logs: Loading, please wait... Gave up waiting for root device. Common problems: - Boot args (cat /proc/cmdline) - Check rootdelay= (did the system wait long enough?) - Check root= (did the system wait for the right device?) - Missing modules (cat /proc/modules; ls /dev) ALERT! /dev/vda1 does not exist. Dropping to a shell! (initramfs) The request is therefore to have a raw image built that includes the support for hw_disk_bus=scsi when using virtio-scsi Freundliche Grüsse Paul. — Paul Isaac’s Senior Systems Engineer (HPC/Cloud) Service and Support for Science IT - S3IT Universität Zürich Winterthurerstrasse 190 8057 Zürich Mail: paul dot isaacs at uzh dot ch