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InfiniBand Network Architecture by MindShare, Inc., Tom Shanley

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General Services Managers

Role of GSMs

In addition to the SM and SA, the devices within a subnet are also managed by a group of managers collectively referred to as the General Services Managers (GSMs; also referred to as class managers). The GSMs include:

  • Performance Manager (PM). Retrieves performance statistics and error information from devices.

  • Baseboard Manager (BM). Has access to components that reside behind a device's IBA interface (i.e., behind the CA that interfaces it to the IBA fabric). Example applications would be chassis temperature monitoring and the enablement of graceful hot-plug operations.

  • Device Manager (DM). Provides the means to perform IOC and IOU management. The DM manipulates DM-related attributes in an IOU or IOC ...

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