os：ubunbu 16.04
postgresql：9.6.8
repmgr：4.1.1
repmgr -f /etc/repmgr.conf --help
$ repmgr -f /etc/repmgr.conf --help
repmgr: replication management tool for PostgreSQL
Usage:
repmgr [OPTIONS] primary {register|unregister}
repmgr [OPTIONS] standby {register|unregister|clone|promote|follow|switchover}
repmgr [OPTIONS] bdr {register|unregister}
repmgr [OPTIONS] node {status|check|rejoin|service}
repmgr [OPTIONS] cluster {show|event|matrix|crosscheck|cleanup}
repmgr [OPTIONS] witness {register|unregister}
Execute "repmgr {primary|standby|bdr|node|cluster} --help" to see command-specific options
General options:
-?, --help show this help, then exit
-V, --version output version information, then exit
General configuration options:
-b, --pg_bindir=PATH path to PostgreSQL binaries (optional)
-f, --config-file=PATH path to the repmgr configuration file
-F, --force force potentially dangerous operations to happen
Database connection options:
-d, --dbname=DBNAME database to connect to (default: "postgres")
-h, --host=HOSTNAME database server host (default: "/var/run/postgresql")
-p, --port=PORT database server port (default: "5432")
-U, --username=USERNAME database user name to connect as (default: "postgres")
-S, --superuser=USERNAME superuser to use, if repmgr user is not superuser
Node-specific options:
-D, --pgdata=DIR location of the node's data directory
--node-id specify a node by id (only available for some operations)
--node-name specify a node by name (only available for some operations)
Logging options:
--dry-run show what would happen for action, but don't execute it
-L, --log-level set log level (overrides configuration file; default: NOTICE)
--log-to-file log to file (or logging facility) defined in repmgr.conf
-q, --quiet suppress all log output apart from errors
-t, --terse don't display detail, hints and other non-critical output
-v, --verbose display additional log output (useful for debugging)
repmgrd -f /etc/repmgr.conf --help
$ repmgrd -f /etc/repmgr.conf --help
repmgrd: replication management daemon for PostgreSQL
repmgrd monitors a cluster of servers and optionally performs failover.
Usage:
repmgrd [OPTIONS]
Options:
General options:
-?, --help show this help, then exit
-V, --version output version information, then exit
General configuration options:
-v, --verbose output verbose activity information
-f, --config-file=PATH path to the configuration file
Daemon configuration options:
-d, --daemonize[=true/false]
detach process from foreground (default: true)
-p, --pid-file=PATH use the specified PID file
-s, --show-pid-file show PID file which would be used by the current configuration
--no-pid-file don't write a PID file