NAME

       pg_verify_checksums - verify data checksums in a PostgreSQL database cluster

SYNOPSIS

       pg_verify_checksums [option...] [[-D | --pgdata] datadir]

DESCRIPTION

       pg_verify_checksums verifies data checksums in a PostgreSQL cluster. The server must be
       shut down cleanly before running pg_verify_checksums. The exit status is zero if there are
       no checksum errors, otherwise nonzero.

OPTIONS

       The following command-line options are available:

       -D directory
       --pgdata=directory
           Specifies the directory where the database cluster is stored.

       -v
       --verbose
           Enable verbose output. Lists all checked files.

       -r relfilenode
           Only validate checksums in the relation with specified relfilenode.

       -V
       --version
           Print the pg_verify_checksums version and exit.

       -?
       --help
           Show help about pg_verify_checksums command line arguments, and exit.

ENVIRONMENT

       PGDATA
           Specifies the directory where the database cluster is stored; can be overridden using
           the -D option.