Mapping power domains in a data center
Mapping power domains in a data center, the data center including one or more power consuming computing devices, the computing devices managed by a management module, each power domain in the data center including one or more power service modules located in an electrical path connecting one or more of the computing devices to a power source, each power service module associated with a power line communications controller, where the mapping includes establishing a unique domain identification for each electrical path connecting one or more of the computing devices to a power source; receiving, by the management module from the computing devices, the unique domain identifications; and maintaining, by the management module, a map associating the unique domain identifications with identifications of the computing devices.
1 . A method of mapping power domains in a data center,
the data center comprising one or more power consuming computing devices, the computing devices managed by a management module, each power domain in the data center comprising one or more power service modules located in an electrical path connecting one or more of the computing devices to a power source, each power service module associated with a power line communications controller,
establishing a unique domain identification for each electrical path connecting one or more of the computing devices to a power source including:
injecting into the electrical path, by each power line communications controller in the electrical path, an identification of the power service module associated with the power line communications controller, and
creating a unique domain identification in dependence upon the injected identifications of the power service modules;
receiving, by the management module from the computing devices, the unique domain identifications; and
maintaining, by the management module, a map associating the unique domain identifications with identifications of the computing devices.
2 . The method of claim 1 wherein maintaining a map of the unique domain identifications further comprises maintaining a data structure including one or more records, each record comprising an association of a unique domain identification and an identification of a computing device, each record representing a power domain in the data center.
3 . The method of claim 2 wherein each record further comprises a power rating for a power domain, the power rating representing power capabilities of the power domain.
4 . The method of claim 1 wherein creating a unique domain identification in dependence upon the injected identifications of the power service modules further comprises:
concatenating, in order of location in the electrical path, the injected identifications of the power service modules.
5 . The method of claim 1 wherein injecting into the electrical path an identification of the power service module associated with the power line communications controller further comprises:
injecting into the electrical path an identification of the power service module associated with the power line communications controller periodically upon a predefined interval of time.
6 . The method of claim 1 wherein injecting into the electrical path an identification of the power service module associated with the power line communications controller further comprises:
injecting into the electrical path information describing performance of the power service module associated with the power line communications controller.
7 . An apparatus for mapping power domains in a data center, the data center comprising one or more power consuming computing devices, the computing devices managed by a management module, each power domain in the data center comprising one or more power service modules located in an electrical path connecting one or more of the computing devices to a power source, each power service module associated with a power line communications controller, the apparatus comprising a computer processor, a computer memory operatively coupled to the computer processor, the computer memory having disposed within it computer program instructions capable of:
establishing a unique domain identification for each electrical path connecting one or more of the computing devices to a power source including:
injecting into the electrical path, by each power line communications controller in the electrical path, an identification of the power service module associated with the power line communications controller, and
creating a unique domain identification in dependence upon the injected identifications of the power service modules;
receiving, by the management module from the computing devices, the unique domain identifications; and
maintaining, by the management module, a map associating the unique domain identifications with identifications of the computing devices.
8 . The apparatus of claim 7 wherein maintaining a map of the unique domain identifications further comprises maintaining a data structure including one or more records, each record comprising an association of a unique domain identification and an identification of a computing device, each record representing a power domain in the data center.
9 . The apparatus of claim 8 wherein each record further comprises a power rating for a power domain, the power rating representing power capabilities of the power domain.
10 . The apparatus of claim 7 wherein creating a unique domain identification in dependence upon the injected identifications of the power service modules further comprises:
concatenating, in order of location in the electrical path, the injected identifications of the power service modules.
11 . The apparatus of claim 7 wherein injecting into the electrical path an identification of the power service module associated with the power line communications controller further comprises:
injecting into the electrical path an identification of the power service module associated with the power line communications controller periodically upon a predefined interval of time.
12 . The apparatus of claim 7 wherein injecting into the electrical path an identification of the power service module associated with the power line communications controller further comprises:
injecting into the electrical path information describing performance of the power service module associated with the power line communications controller.
13 . A computer program product for mapping power domains in a data center, the data center comprising one or more power consuming computing devices, the computing devices managed by a management module, each power domain in the data center comprising one or more power service modules located in an electrical path connecting one or more of the computing devices to a power source, each power service module associated with a power line communications controller, the computer program product disposed in a computer readable, signal bearing medium, the computer program product comprising computer program instructions capable of:
establishing a unique domain identification for each electrical path connecting one or more of the computing devices to a power source including:
injecting into the electrical path, by each power line communications controller in the electrical path, an identification of the power service module associated with the power line communications controller, and
creating a unique domain identification in dependence upon the injected identifications of the power service modules;
receiving, by the management module from the computing devices, the unique domain identifications; and
maintaining, by the management module, a map associating the unique domain identifications with identifications of the computing devices.
14 . The computer program product of claim 13 wherein maintaining a map of the unique domain identifications further comprises maintaining a data structure including one or more records, each record comprising an association of a unique domain identification and an identification of a computing device, each record representing a power domain in the data center.
15 . The computer program product of claim 14 wherein each record further comprises a power rating for a power domain, the power rating representing power capabilities of the power domain.
16 . The computer program product of claim 13 wherein creating a unique domain identification in dependence upon the injected identifications of the power service modules further comprises:
concatenating, in order of location in the electrical path, the injected identifications of the power service modules.
17 . The computer program product of claim 13 wherein injecting into the electrical path an identification of the power service module associated with the power line communications controller further comprises:
injecting into the electrical path an identification of the power service module associated with the power line communications controller periodically upon a predefined interval of time.
18 . The computer program product of claim 13 wherein injecting into the electrical path an identification of the power service module associated with the power line communications controller further comprises:
injecting into the electrical path information describing performance of the power service module associated with the power line communications controller.
19 . The computer program product of claim 13 wherein the signal bearing medium comprises a recordable medium.
20 . The computer program product of claim 13 wherein the signal bearing medium comprises a transmission medium.