Oracle_Rac_BackgroudProcess

  • LMON: maintains the node relationship at the database cluster level, and periodically communicates with lmon of other instances.
  • LMS: maintains the information of data block resources in GRD and completes the transfer of data blocks between instances.
  • LMD: Manage queuing resources.
  • LCK manages instance lock management for local resources.
  • DIAG is responsible for dumping database-related diagnostic information.
  • LMHB monitors the background processes of LMS, LMD, LMON, and LCK.

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