In a virtual machine (VM) environment, a virtual machine ID (VMID) uniquely associated with a preferred virtual guest (222) is sent to a storage controller (108) along with requests to RESERVE or RELEASE a direct access storage device (DASD) (128). The VMID is used by the storage controller (108) along...http://www.google.fr/patents/US6453392?utm_source=gb-gplus-shareBrevet US6453392 - Method of and apparatus for sharing dedicated devices between virtual machine guests
Method of and apparatus for sharing dedicated devices between virtual ...