pg_verify_checksums

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.