System and method for dynamic resource reconfiguration using a dependency graph

A computer readable storage medium storing instructions that, when executed by a computer, cause the computer to perform a method of facilitating dynamic reconfiguration of computer system resources, the method comprising:

• initializing a set of physical devices within a domain of computer resources;
• creating a set of logical devices based on the physical devices;
• maintaining a resource dependency graph for the domain, wherein:
• each vertex of said resource dependency graph represents one of the physical or logical devices;
• and
• each edge of said resource dependency graph represents a dependency between a first physical or logical device and a second physical or logical device;
• and
• predicting, from said resource dependency graph, whether a first dynamic reconfiguration operation is likely to be successful.

A computer-implemented method of predicting whether a desired dynamic reconfiguration of computer resources will be successful, comprising:

• assembling a graph corresponding to a resource domain, wherein each node of said graph represents a resource within the resource domain, and each edge of said graph represents a dependency between multiple resources of the resource domain;
• identifying a desired dynamic reconfiguration of a first resource of the resource domain;
• identifying a set of dependencies extending from the first resource;
• determining whether the desired dynamic reconfiguration would violate any constraints placed on the resources of the resource domain;
• and
• based on said determining, predicting whether the desired dynamic reconfiguration would be successful.

A computer readable storage medium storing instructions that, when executed by a computer, cause the computer to perform a method of predicting whether a desired dynamic reconfiguration of computer resources will be successful, the method comprising:

• assembling a graph corresponding to a resource domain, wherein each node of said graph represents a resource within the resource domain, and each edge of said graph represents a dependency between multiple resources of the resource domain;
• identifying a desired dynamic reconfiguration of a first resource of the resource domain;
• identifying a set of dependencies extending from the first resource;
• determining whether the desired dynamic reconfiguration would violate any constraints placed on the resources of the resource domain;
• and
• based on said determining, predicting whether the desired dynamic reconfiguration would be successful.

A method of facilitating dynamic reconfiguration of computer system resources within multiple computing platforms, comprising:

• initializing a first domain of physical devices within a first computing platform;
• creating a first set of logical devices based on the physical devices of the first domain;
• initializing a second domain of physical devices within a second computing platform;
• creating a second set of logical devices based on the physical devices of the second domain;
• maintaining a resource dependency graph covering the first domain and the second domain, wherein:
• each vertex of said resource dependency graph represents one of the physical or logical devices of the first domain or second domain;
• and
• each edge of said resource dependency graph represents a dependency between a first physical or logical device of the first domain or second domain and a second physical or logical device of the first domain or second domain;
• and
• predicting, from said resource dependency graph, whether a first dynamic reconfiguration operation is likely to be successful.

A computer readable storage medium storing instructions that, when executed by a computer, cause the computer to perform a method of facilitating dynamic reconfiguration of computer system resources within multiple computing platforms, the method comprising:

• initializing a first domain of physical devices within a first computing platform;
• creating a first set of logical devices based on the physical devices of the first domain;
• initializing a second domain of physical devices within a second computing platform;
• creating a second set of logical devices based on the physical devices of the second domain;
• maintaining a resource dependency graph covering the first domain and the second domain, wherein:
• each vertex of said resource dependency graph represents one of the physical or logical devices of the first domain or second domain;
• and
• each edge of said resource dependency graph represents a dependency between a first physical or logical device of the first domain or second domain and a second physical or logical device of the first domain or second domain;
• and
• predicting, from said resource dependency graph, whether a first dynamic reconfiguration operation is likely to be successful.

A platform of computer resources, comprising:

• a plurality of computer resources;
• a service processor configured to facilitate management of the platform;
• one or more resource domains, wherein each of said resource domains is allocated one or more of the computer resources;
• and
• within each of said resource domains, a graph agent configured to maintain a resource dependency graph representing the computer resources allocated to said resource domain.