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  • PSM (Persistent Storage Manager) component is responsible for the storage of default/system configurations.
  • Provides software interfaces and abstractions to read/write variables stored in persistent storage and read factory config variables.
  • PSM holds mainly parameters related to hardware configuration.
  • In dual processor architecture a process running in peer processor can access PSM DB over DBUS.
  • All defaults/system configuration which are not modified during runtime are part of PSM.
  • PSM should be up and running for normal configuration of RDKB unit.

Architecture


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Figure 1 - Architectural view of PSM sub-system

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