pg_controldata

Function

The pg_controldata tool is used to display information about control files in the database directory.

Prerequisites

Ensure that the data directory is correct and the pg_control file exists in the corresponding data directory.

Syntax

• Check the control file information.

  pg_controldata [DATADIR]
  

• Display the version number.

  pg_controldata -V | --version
  

• Display help information.

  pg_controldata -? | --help
  

Parameter Description

• DATADIR

  Parameter used for viewing the control file information. DATADIR indicates the database directory corresponding to the instance.

• -V, --version

  Displays version information.

• -?,--help

  Displays help information.