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Software Overview

Software Overview. BGPMaster. mcServer Midplane Management Control System (MMCS) mpirund Blue Gene Navigator Server Real-time Server. mcServer. mcServer is a wrapper around the Machine Controller (mc).

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Software Overview

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  1. Software Overview

  2. BGPMaster • mcServer • Midplane Management Control System (MMCS) • mpirund • Blue Gene Navigator Server • Real-time Server

  3. mcServer • mcServer is a wrapper around the Machine Controller (mc). • Machine controller is a library of functions providing low level control system access to the hardware. • mcServer provides a server and ports to connect to. • Arbitrates and controls access to the hardware to prevent simultaneous conflicts. • Also provides event handling.

  4. mcServer Layer

  5. Midplane Management Control System (MMCS) • High level control system • MMCS server runs on the service node • Used to configure and allocate blocks • Can be accessed directly using the MMCS console (mmcs_db_console), Blue Gene Navigator or various scheduler programs (using APIs). • Also provides polling service for the Environmental Monitor.

  6. mpirund • General purpose job launcher • Listens on port 9874 for incoming requests.

  7. Blue Gene Navigator Server • Full featured web based administration tool. • Can be used by end users and administrators. • The navigator_server process powers the Navigator pages. • Navigator is access via HTTPS on port 32072:https://mybluegenep:32072/BlueGeneNavigator

  8. Real-time Server • Provides schedulers with changes to the database as events occur • Used with applications • By default it isn’t started.

  9. BGPMaster Control • To start:bgpmaster start <component>bgpmaster restart <component> • To see status:bgpmaster status • To stop:bgpmaster stop <component> • Can also be mostly performed from Navigator.

  10. Operating Systems • Service Node and Front End Node SUSE Linux Enterprise Server (SLES) • IO Node LINUX with a reduced shell available • Compute Node CNK – Compute Node Kernel (LINUX like)

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