V$ARCHIVE_PROCESSES

This view provides information about the state of the various ARCH processes for the instance.

Column	Datatype	Description
PROCESS	NUMBER	The identifier for the ARCH process for the instance, numbered from 0-9
STATUS	VARCHAR2(10)	The status of the ARCH process, displayed as a keyword. Possible values are: STOPPED, SCHEDULED, STARTING, ACTIVE, STOPPING, and TERMINATED.
LOG_SEQUENCE	NUMBER	This is the online redo log sequence number currently being archived, if STATE="BUSY"
STATE	VARCHAR2(4)	This is the current state of the ARCH process, displayed as a keyword. Possible keywords are IDLE or BUSY.