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.

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https://www.postgresql.org/docs/11/pgverifychecksums.html