New Background Processes that has been introduced from 12c, compared with 11.2.0.2 Database.
12 C | Process Name |
AQPC | AQ Process Coordinator |
ARSn | ASM Recovery Slave Process |
BWnn | Database Writer Process |
FENC | Fence Monitor Process |
IPC0 | IPC Service Background Process |
LDDn | Global Enqueue Service Daemon Helper Slave |
LGnn | Log Writer Worker |
LREG | Listener Registration Process |
NSSn | Network Server SYNC Process |
OFSD | Oracle File Server Background Process |
QMnn | AQ Master Class Process |
RM | RAT Masking Slave Process |
RMON | Rolling Migration Monitor Process |
RPOP | Instant Recovery Repopulation Daemon |
SAnn | SGA Allocator |
SCCn | ASM Disk Scrubbing Slave Check Process |
SCRB | ASM Disk Scrubbing Master Process |
SCRn | ASM Disk Scrubbing Slave Repair Process |
SCVn | ASM Disk Scrubbing Slave Verify Process |
TTnn | Redo Transport Slave Process |
VUBG | Volume drive Umbilicus Background |
Source:- http://docs.oracle.com/cd/E16655_01/server.121/e17615/bgprocesses.htm
Some of the parameters that names have been changed, for example NSA1 (Redo transport services has been named as TTnn etc)
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