---
name: "pg_autoctl enable monitor"
section: "1"
platform: "linux"
package: "pg-auto-failover-cli"
version: "2.2-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/pg_autoctl enable monitor"
---

# pg\_autoctl enable monitor(1)

pg\_autoctl enable monitor pg\_autoctl enable monitor - Enable a monitor for this node to be orchestrated from

## NAME

pg\_autoctl enable monitor - pg\_autoctl enable monitor

pg\_autoctl enable monitor - Enable a monitor for this node to be orchestrated from

## SYNOPSIS

It is possible to disable the pg\_auto\_failover monitor and enable it again online in a running pg\_autoctl Postgres node. The main use-cases where this operation is useful is when the monitor node has to be replaced, either after a full crash of the previous monitor node, of for migrating to a new monitor node (hardware replacement, region or zone migration, etc).

```
 usage: pg_autoctl enable monitor  [ --pgdata --allow-failover ] postgres://autoctl_node@new.monitor.add.ress/pg_auto_failover
--pgdata      path to data directory
```

## OPTIONS

- **--pgdata**

  Location of the Postgres node being managed locally. Defaults to the environment variable **PGDATA**. Use **--monitor** to connect to a monitor from anywhere, rather than the monitor URI used by a local Postgres node managed with **pg\_autoctl**.

## ENVIRONMENT

PGDATA

Postgres directory location. Can be used instead of the **--pgdata** option.

PG\_AUTOCTL\_MONITOR

Postgres URI to connect to the monitor node, can be used instead of the **--monitor** option.

XDG\_CONFIG\_HOME

The pg\_autoctl command stores its configuration files in the standard place XDG\_CONFIG\_HOME. See the *XDG Base Directory Specification*.

XDG\_DATA\_HOME

The pg\_autoctl command stores its internal states files in the standard place XDG\_DATA\_HOME, which defaults to **~/.local/share**. See the *XDG* *Base Directory Specification*.

## EXAMPLES

```
$ pg_autoctl show state
 Name |  Node |      Host:Port |       LSN |   Connection |       Current State |      Assigned State
------+-------+----------------+-----------+--------------+---------------------+--------------------
node1 |     1 | localhost:5501 | 0/4000760 |   read-write |             primary |             primary
node2 |     2 | localhost:5502 | 0/4000760 |    read-only |           secondary |           secondary
$ pg_autoctl enable monitor --pgdata node3 'postgres://autoctl_node@localhost:5500/pg_auto_failover?sslmode=require'
12:42:07 43834 INFO  Registered node 3 (localhost:5503) with name "node3" in formation "default", group 0, state "wait_standby"
12:42:07 43834 INFO  Successfully registered to the monitor with nodeId 3
12:42:08 43834 INFO  Still waiting for the monitor to drive us to state "catchingup"
12:42:08 43834 WARN  Please make sure that the primary node is currently running `pg_autoctl run` and contacting the monitor.
$ pg_autoctl show state
 Name |  Node |      Host:Port |       LSN |   Connection |       Current State |      Assigned State
------+-------+----------------+-----------+--------------+---------------------+--------------------
node1 |     1 | localhost:5501 | 0/4000810 |   read-write |             primary |             primary
node2 |     2 | localhost:5502 | 0/4000810 |    read-only |           secondary |           secondary
node3 |     3 | localhost:5503 | 0/4000810 |    read-only |           secondary |           secondary
```

## AUTHOR

Microsoft

## COPYRIGHT

Copyright (c) Microsoft Corporation. All rights reserved.