I built a test bionic image with open-iscsi from proposed, uploaded to OCI, booted on a PV instance, then performed a reboot. That reboot worked as expected without any scsi-related delays.
I built a test bionic image with open-iscsi from proposed, uploaded to OCI, booted on a PV instance, then performed a reboot. That reboot worked as expected without any scsi-related delays.