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| | VM2000 |
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VM2000 – the Virtual Machine System supports the simultaneous operation of multiple virtual systems on one server |
Current version: V9.0
For optimum handling of the vast range of IT tasks, there is a growing requirement for the BS2000/OSD operating system to run different system environments simultaneously. VM2000 supports the concurrent operation of different system environments on one server, with each of them totally insulated from the rest.
The server operating resources of a real server can currently be allocated (depend of server models) up to 15 virtual systems (guest systems) in the case of S series business servers, and in the case of the SX series. On the BS2000/OSD business servers of the S series, VM2000 hosts BS2000/OSD and Linux simultaneously as guest systems. At least 1 guest system – the monitor system – is always of the BS2000/OSD type. The guest systems are totally segregated from one another, i.e. problems in one guest system (up to total crash) have no impact on the rest. No guest system can access main memory areas, global storage areas or devices assigned to other guest systems.
The sharing and assignment of peripherals can be changed online. The peripheral configuration with its connections (channels) and devices can be modified and expanded online without disruption to normal operation.
VM2000 automatically performs dynamic CPU scheduling across all guest systems, thereby substantially increasing utilization of CPU capacity. The ability to modify VM2000’s CPU scheduling strategy online according to the measured load and predefinable rules means that VM2000 can be used to provide an efficient service level management tool.
The guest systems running under VM2000 have the same functionality as in native mode in terms of command set, networking capability, and testing and debugging tools. A central VM accounting function is available for global accounting of the guest systems. |
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