Amcheckdump verifies Amanda dump images by reading them from storage volume(s) and verifying that the
images can be parsed by the appropriate application (if available). For example, a GNUTAR image is passed
to GNU Tar for parsing, and any errors (e.g., corrupt or missing data) are noted.
The application runs on the most recent dump or, if --timestamp is specified, on the most recent dump
with that timestamp. Note that the verification is local to the Amanda server; if the dump application is
not available, or is configured differently on the server than on the client, then the verification will
most likely fail.
If a changer is available, it is used to load the required tapes. Otherwise, the application
interactively requests the tapes.
See the "CONFIGURATIONOVERRIDE" section in amanda(8) for information on the -o option.