PgSQL mistakenly deletes PG_ Wal file, service startup failed

LOG: aborting startup due to startup process failure
LOG: database system was interrupted;
LOG: unexpected pagedir
LOG: invalid secondary checkpoint record
PANIC： could not locate a valid checkpoint record

One 、 Question why

Database log corruption , Log consistency needs to be reset .

Two 、 terms of settlement

1、 Switch to postgres User reset database log

su - postgres
pg_resetwal -f /var/lib/postgresql/data/pgdata/

3、 ... and 、 operation
1、 Start a container first ：

docker run -it --restart=always --name postgres_primary -p 5432:5432 -v /opt/postgres_data/data:/var/lib/postgresql/data/ -v /etc/localtime:/etc/localtime --env-file primary.env postgres_primary /bin/bash
perform ：
su - postgres
pg_resetwal -f /var/lib/postgresql/data/pgdata/

Exit the container and delete

2、 Restart the service container

docker run -d --restart=always --name postgres_primary -p 5432:5432 -v /opt/postgres_data/data:/var/lib/postgresql/data/ -v /etc/localtime:/etc/localtime --env-file primary.env postgres_primary