Il 22/05/2013 20:11, Theodore Ts'o ha scritto: > On Wed, May 22, 2013 at 07:00:14PM +0200, Paolo Bonzini wrote: >> You have hardware providers selling cloud services that want to run >> their own custom backup services from within a VM, which entails having >> vendor-specific commands run from within a VM. Or you have people that >> run clusters that are half-physical and half-virtual and want to use the >> same /dev/disk/by-id paths in both cases; perhaps, with NPIV, they want >> to use one zoning approach for both physical and virtual machines. >> Someone else they want to backup to tapes from a VM (for example s390 >> people who just put everything in a VM, so the distinction of physical >> and virtual makes no sense for them). Some people use virtual machines >> as sandboxes, and want to burn the ISOs from the same VMs where they >> download the ISOs. Some people have vendor utilities that only run >> under Windows, and want to run them in a VM. > > So is this hypothetical or do you have a real customer in mind? All of these come from real customers. > If it's not theoretical, how does the cloud service control who has > access to the CD burner, and how are the disks loaded into the CD > burner? CD burning would be used in a VM that runs on your local workstation, so the VM gets access to the CD burner under your desk. There was also a developer of a CD burning tool that wanted to test it inside BSD, Solaris and Windows VMs; the idea is the same. Paolo -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
