모드변경에 따른 절체동작

Owned by CIMON (Unlicensed)
Last updated: Nov 28, 2024 by 주익균(Ik Kyun Joo)
4 min read

Primary(Active)의 CPU 모드 변경에 따른 절체 동작

 

Primary(Active)의 CPU 모드 변경에 따른 절체 동작

Primary(Active)의 CPU 모드 변경에 따른 절체 동작

Primary(Active)
CPU 모드

Secondary
(Backup)
초기 CPU 모드

절체 결과

비고

Primary
이중화 상태 /
CPU 모드

Secondary
이중화 상태

LOCAL RUN -> LOCAL PAUSE

LOCAL RUN

O

BACKUP
-

ACTIVE

LOCAL RUN -> LOCAL STOP

O

BACKUP
-

ACTIVE

REMOTE RUN -> REMOTE PAUSE

O

BACKUP
REMOTE RUN

ACTIVE

REMOTE RUN -> REMOTE STOP

O

BACKUP
REMOTE RUN

ACTIVE

LOCAL RUN -> LOCAL PAUSE

REMOTE RUN

X

-

-

LOCAL RUN -> LOCAL STOP

X

-

-

REMOTE RUN -> REMOTE PAUSE

X

-

-

REMOTE RUN -> REMOTE STOP

X

-

-

LOCAL RUN -> LOCAL PAUSE

LOCAL PAUSE

X

-

-

LOCAL PAUSE -> LOCAL STOP

X

-

-

LOCAL STOP -> REMOTE STOP

X

-

-

LOCAL STOP -> LOCAL RUN

X

-

-

LOCAL PAUSE -> LOCAL RUN

X

-

-

LOCAL RUN -> LOCAL STOP

X

-

-

REMOTE RUN -> REMOTE PAUSE

X

-

-

REMOTE PAUSE -> REMOTE STOP

X

-

-

REMOTE STOP -> REMOTE RUN

X

-

-

REMOTE PAUSE -> REMOTE RUN

X

-

-

REMOTE RUN -> REMOTE STOP

X

-

-

LOCAL RUN -> LOCAL PAUSE

REMOTE PAUSE

X

-

-

LOCAL PAUSE -> LOCAL STOP

X

-

-

LOCAL PAUSE -> LOCAL RUN

X

-

-

LOCAL RUN -> LOCAL STOP

X

-

-

REMOTE RUN -> REMOTE PAUSE

X

-

-

REMOTE PAUSE -> REMOTE STOP

X

-

-

REMOTE PAUSE -> REMOTE RUN

X

-

-

REMOTE RUN -> REMOTE STOP

X

-

-

LOCAL RUN -> LOCAL PAUSE

LOCAL STOP

X

-

-

LOCAL PAUSE -> LOCAL STOP

X

-

-

LOCAL STOP -> REMOTE STOP

X

-

-

LOCAL STOP -> LOCAL RUN

X

-

-

LOCAL PAUSE -> LOCAL RUN

X

-

-

LOCAL RUN -> LOCAL STOP

X

-

-

REMOTE RUN -> REMOTE PAUSE

X

-

-

REMOTE PAUSE -> REMOTE STOP

X

-

-

REMOTE STOP -> REMOTE RUN

X

-

-

REMOTE PAUSE -> REMOTE RUN

X

-

-

REMOTE RUN -> REMOTE STOP

X

-

-

LOCAL RUN -> LOCAL PAUSE

REMOTE STOP

X

-

-

LOCAL PAUSE -> LOCAL STOP

X

-

-

LOCAL STOP -> REMOTE STOP

X

-

-

LOCAL STOP -> LOCAL RUN

X

-

-

LOCAL PAUSE -> LOCAL RUN

X

-

-

LOCAL RUN -> LOCAL STOP

X

-

-

REMOTE RUN -> REMOTE PAUSE

X

-

-

REMOTE PAUSE -> REMOTE STOP

X

-

-

REMOTE STOP -> REMOTE RUN

X

-

-

REMOTE PAUSE -> REMOTE RUN

X

-

-

REMOTE RUN -> REMOTE STOP

X

-

-

Secondary(Backup)의 CPU 모드 변경에 따른 절체 동작작

Secondary(Backup)의 CPU 모드 변경에 따른 절체 동작작

Primary
(Active)
초기 CPU 모드

Secondary
(Backup)
CPU 모드

절체 결과

비고

Primary
이중화 상태 /
CPU 모드

Secondary
이중화 상태

LOCAL RUN

LOCAL RUN -> LOCAL PAUSE

X

-

-

LOCAL PAUSE -> LOCAL STOP

X

-

-

LOCAL STOP -> REMOTE STOP

X

-

-

LOCAL STOP -> LOCAL RUN

X

-

-

LOCAL PAUSE -> LOCAL RUN

X

-

-

LOCAL RUN -> LOCAL STOP

X

-

-

REMOTE RUN -> REMOTE PAUSE

X

-

-

REMOTE PAUSE -> REMOTE STOP

X

-

-

REMOTE STOP -> REMOTE RUN

X

-

-

REMOTE PAUSE -> REMOTE RUN

X

-

-

REMOTE RUN -> REMOTE STOP

X

-

-

REMOTE RUN

LOCAL RUN -> LOCAL PAUSE

X

-

-

LOCAL PAUSE -> LOCAL STOP

X

-

-

LOCAL STOP -> REMOTE STOP

X

-

-

LOCAL STOP -> LOCAL RUN

X

-

-

LOCAL PAUSE -> LOCAL RUN

X

-

-

LOCAL RUN -> LOCAL STOP

X

-

-

REMOTE RUN -> REMOTE PAUSE

X

-

-

REMOTE PAUSE -> REMOTE STOP

X

-

-

REMOTE STOP -> REMOTE RUN

X

-

-

REMOTE PAUSE -> REMOTE RUN

X

-

-

REMOTE RUN -> REMOTE STOP

X

-

-

LOCAL PAUSE

LOCAL PAUSE -> LOCAL STOP

X

-

-

LOCAL STOP -> REMOTE STOP

X

-

-

LOCAL STOP -> LOCAL RUN

O

BACKUP
-

ACTIVE

LOCAL PAUSE -> LOCAL RUN

O

BACKUP
-

ACTIVE

REMOTE PAUSE -> REMOTE STOP

X

-

-

REMOTE STOP -> REMOTE RUN

O

BACKUP
-

ACTIVE

REMOTE PAUSE -> REMOTE RUN

O

BACKUP
-

ACTIVE

REMOTE PAUSE

LOCAL PAUSE -> LOCAL STOP

X

-

-

LOCAL STOP -> REMOTE STOP

X

-

-

LOCAL STOP -> LOCAL RUN

O

BACKUP
REMOTE RUN

ACTIVE

LOCAL PAUSE -> LOCAL RUN

O

BACKUP
REMOTE RUN

ACTIVE

REMOTE PAUSE -> REMOTE STOP

X

-

-

REMOTE STOP -> REMOTE RUN

O

BACKUP
REMOTE RUN

ACTIVE

REMOTE PAUSE -> REMOTE RUN

O

BACKUP
REMOTE RUN

ACTIVE

LOCAL STOP

LOCAL PAUSE -> LOCAL STOP

X

-

-

LOCAL STOP -> REMOTE STOP

X

-

-

LOCAL STOP -> LOCAL RUN

O

BACKUP
-

ACTIVE

LOCAL PAUSE -> LOCAL RUN

O

BACKUP
-

ACTIVE

REMOTE STOP -> REMOTE RUN

O

BACKUP
-

ACTIVE

REMOTE STOP

LOCAL PAUSE -> LOCAL STOP

X

-

-

LOCAL STOP -> REMOTE STOP

X

-

-

LOCAL STOP -> LOCAL RUN

O

BACKUP
REMOTE RUN

ACTIVE

LOCAL PAUSE -> LOCAL RUN

O

BACKUP
REMOTE RUN

ACTIVE

REMOTE STOP -> REMOTE RUN

O

BACKUP
REMOTE RUN

ACTIVE