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IBM System Blue Gene Solution: Blue Gene/Q System Administration by Brant Knudson, Gary Lakner

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Midplane Management Control System server
The Midplane Management Control System (MMCS) configures and allocates blocks of compute nodes and I/O nodes. As part of the High-Level Control System (HLCS), MMCS runs on the service node and provides an interface to the hardware level system components. You can access the MMCS directly using the bg_console command or through the Scheduler APIs.
MMCS server is also referred to by its alternate name mmcs_server in this chapter.
In addition to the high-level control functions of the MMCS server, the following ...

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