System for preserving logical partitions of distributed parallel processing system after re-booting by mapping nodes to their respective sub-environments

In a distributed parallel processing environment having a plurality of nodes connected to one another via a network in such way as to form a single system unit, said environment logically partitioned into at least two sub-environments, a method of restoring a node to its respective sub-environment after a node re-boot, said method comprising the steps of:

• controlling and maintaining all communications and status information between said nodes through a central control element connected to said nodes via said network;
• storing all system data in a system data repository located in said central control element;
• using said stored data, creating a special configuration object class file in said system repository, said configuration object class file mapping said nodes to their respective sub-environments;
• and
• retrieving any portion of said system data relating to configuration information and providing it to any node after re-booting completion.

In a distributed parallel processing environment having a plurality of resources connected to one another via a network in such way as to form a single system unit, said environment logically partitioned into at least two sub-environments, a method of preserving said logical partitions after re-booting said system environment, said method comprising the steps of:

• controlling and maintaining all communications and status information between said resources through a central control element connected to said nodes via said network;
• storing all system data in a system data repository located in said central control element;
• using said stored data, creating a special configuration object class file in said system repository, said configuration object class file mapping said resources to their respective sub-environments;
• and
• retrieving an portions of said system data dealing with configuration information and providing it to each resource after re-booting completion.

A distributed parallel processing system environment having a plurality of nodes connected to one another via a network in such way as to form a single system unit, said environment further partitioned into at least two logically persistent sub-environments comprising:

• a central control element for controlling and maintaining all communications and status information between said nodes, said central control element connected to said nodes via said network;
• a configuration data repository for storing all configuration data located in said central control element;
• and
• a system object class file created in said repository for storing configuration data, said system object class mapping all said nodes to their respective sub-environments.