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Methods and apparatus for managing multiple user systems
| Details |
Inventors: Marsland, Timothy;
Assignee: Sun Microsystems, Inc. (Santa Clara, CA)
Primary Examiner: Gaffin; Jeffrey
Assistant Examiner: Mahmoudi; Hassan
Attorney, Agent or Firm: Dorsey & Whitney LLP
The techniques of the present invention relate to allocating resources and managing multiple services and multiple users in a multiprocessing computer system. A virtual machine executive is booted on a computer system typically with multiple processors and multiple memory blocks. The virtual machine executive creates multiple virtual machines associated with multiple operating systems. A virtual machine executive provides the illusion that each virtual machine has its own dedicated hardware. The virtual machine executive either behaves as a file server, or hosts an operating system instance that behaves as a file server. System administration of the collection of operating system instances can be achieved by administering the operating system instance that behaves as a file server, rather than by administering each operating system instance alone. |
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DETAILED DESCRIPTION The techniques of the present invention relate to allocating resources and managing multiple services and multiple users in a multiprocessing computer system.
A virtual machine executive is booted on a computer system typically with multiple processors and multiple memory blocks.
The virtual machine executive creates multiple virtual machines associated with multiple operating systems.
A virtual machine executive provides the illusion that each virtual machine has its own dedicated hardware.
The virtual machine executive either behaves as a file server, or hosts an operating system instance that behaves as a file server.
System administration of the collection of operating system instances can be achieved by administering the operating system instance that behaves as a file server, rather than by administering each operating system instance alone.
According to various embodiments, a computer system is provided.
The computer system includes a virtual machine executive, a first operating system, and a second operating system.
The virtual machine executive runs on resources including a processor, memory, and persistent storage.
The virtual machine executive is configured to allocate resources for a plurality of virtual machines.
The first operating system is created by the virtual machine executive.
The first operating system operates as a file server.
A second operating system is created by the virtual machine executive.
The second operating system operates as a file server client.
The second operating system accesses data in persistent storage through the first operating system.
According to another embodiment, a virtual machine executive is provided.
The virtual machine executive includes a virtual machine interface, a virtual network, and a resource allocator.
The virtual machine interface supports a first operating system running as a file server and a second operating system running as a diskless file server client.
A virtual network is configured to allow data access requests from the file server client to the file server
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