MMAN:
It acts as the coordinator for sizing the SGA memory components. It keeps track
of the size of components and any resizing needs.
CTWR:
It record the changing blocks of database so that at time of incremental backup
full datafile need not to be scanned for changed blocks.
RBAL:
It checks the rebalacing of disks controlled by ASM.
ARBALx:
This process does the actual reblalacing of ASM disks and ASM_POWER_LIMIT parameter
tells how many slave process will be used for rebalacing.
ASMB:
This is used to communicate with cluster synchronization service used by ASM.
CJQn:
This is job queue monitoring process which is started by parameter JOB_QUEUE_PROCESSES.
MMON:
This process for Automatic Workload Repository.
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