db_verify(1) - phpMan

DB5.3_VERIFY(1)                      General Commands Manual                      DB5.3_VERIFY(1)

NAME
       db5.3_verify -  Verifies the structure databases

SYNOPSIS
       db5.3_verify [-NoqV] [-h home] [-P password] file ...

DESCRIPTION
       The  db5.3_verify  utility  verifies  the structure of one or more files and the databases
       they contain.

OPTIONS
       -h     Specify a home directory for the database  environment;  by  default,  the  current
              working directory is used.

       -o     Skip the database checks for btree and duplicate sort order and for hashing.

              If  the file being verified contains databases with non-default comparison or hash-
              ing configurations, calling the db5.3_verify utility without the -o flag will  usu-
              ally  return  failure.   The -o flag causes db5.3_verify to ignore database sort or
              hash ordering and allows db5.3_verify to be used on these files.  To  fully  verify
              these  files, verify them explicitly using the DB->verify method, after configuring
              the correct comparison or hashing functions.

       -N     Do not acquire shared region mutexes while running.  Other problems, such as poten-
              tially  fatal  errors  in Berkeley DB, will be ignored as well.  This option is in-
              tended only for debugging errors, and should not be used under  any  other  circum-
              stances.

       -P     Specify an environment password.  Although Berkeley DB utilities overwrite password
              strings as soon as possible, be aware there may be a  window  of  vulnerability  on
              systems  where unprivileged users can see command-line arguments or where utilities
              are not able to overwrite the memory containing the command-line arguments.

       -q     Suppress the printing of any error descriptions, simply exit success or failure.

       -V     Write the library version number to the standard output, and exit.

       The db5.3_verify utility does not perform any locking, even in  Berkeley  DB  environments
       that  are  configured  with a locking subsystem.  As such, it should only be used on files
       that are not being modified by another thread of control.

       The db5.3_verify utility may be used with a Berkeley DB environment (as described for  the
       -h option, the environment variable DB_HOME, or because the utility was run in a directory
       containing a Berkeley DB environment).  In order to avoid environment corruption when  us-
       ing  a  Berkeley  DB environment, db5.3_verify should always be given the chance to detach
       from the environment and exit gracefully.  To cause db5.3_verify to release  all  environ-
       ment resources and exit cleanly, send it an interrupt signal (SIGINT).

       The db5.3_verify utility exits 0 on success, and >0 if an error occurs.

ENVIRONMENT
       DB_HOME
              If  the  -h option is not specified and the environment variable DB_HOME is set, it
              is used as the path of the database home, as described in DB_ENV->open.

AUTHORS
       Sleepycat Software, Inc. This manual page was created based on the HTML documentation  for
       db_verify  from Sleepycat, by Thijs Kinkhorst <thijs AT kinkhorst.com>, for the Debian system
       (but may be used by others).

                                         28 January 2005                          DB5.3_VERIFY(1)

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