> Having briefly read the cloud-init snippet which was linked earlier in > this thread, the requirement seems to be that the guest exposes the > device as /dev/srX or /dev/cdX. So I guess in order to make this work: > > * You need to tell z/VM to expose the virtual disk as an optical disk > * The z/VM kernel needs to call optical disks /dev/srX or /dev/cdX According to the docs, it doesn't need to be. You can indicate the configdrive via filesystem label which makes sense given we support vfat for it as well. http://cloudinit.readthedocs.io/en/latest/topics/datasources/configdrive.html#version-2 --Dan