NAME

       db5.3_recover - Restore the database to a consistent state

SYNOPSIS

       db5.3_recover [-ceVv] [-h home] [-P password] [-t [[CC]YY]MMDDhhmm[.SS]]]

DESCRIPTION

       The  db5.3_recover utility must be run after an unexpected application, Berkeley DB, or system failure to
       restore the database to a consistent state. All committed transactions are  guaranteed  to  appear  after
       db5.3_recover has run, and all uncommitted transactions will be completely undone.

OPTIONS

       -c     Perform catastrophic recovery instead of normal recovery.

       -e     Retain the environment after running recovery.  This option will rarely be used unless a DB_CONFIG
              file is present in the home directory.  If a DB_CONFIG file is not present, then the regions  will
              be created with default parameter values.

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

       -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.

       -t     Recover  to  the  time  specified  rather  than  to the most current possible date.  The timestamp
              argument should be in the form [[CC]YY]MMDDhhmm[.SS] where each pair  of  letters  represents  the
              following:

              CC     The first two digits of the year (the century).

              YY     The second two digits of the year.  If "YY" is specified, but "CC" is not, a value for "YY"
                     between 69 and 99 results in a "CC" value of 19.  Otherwise, a "YY" value of 20 is used.

              MM     The month of the year, from 1 to 12.

              DD     The day of the month, from 1 to 31.

              hh     The hour of the day, from 0 to 23.

              mm     The minute of the hour, from 0 to 59.

              SS     The second of the minute, from 0 to 61.

              If the "CC" and "YY" letter pairs are not specified, the values default to the current  year.   If
              the "SS" letter pair is not specified, the value defaults to 0.

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

       -v     Run in verbose mode.

       In  the  case  of  catastrophic  recovery, an archival copy - or snapshot - of all database files must be
       restored along with all of the log files written since the database file snapshot  was  made.   (If  disk
       space is a problem, log files may be referenced by symbolic links).

       If  the  failure  was  not  catastrophic,  the  files  present  on  the system at the time of failure are
       sufficient to perform recovery.

       If log files are missing, db5.3_recover will identify the missing log file(s) and fail, in which case the
       missing log files need to be restored and recovery performed again.

       The db5.3_recover utility uses 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 using a Berkeley DB environment, db5.3_recover should
       always be given the chance to detach from the environment and exit gracefully.  To cause db5.3_recover to
       release all environment resources and exit cleanly, send it an interrupt signal (SIGINT).

       The db5.3_recover 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_recover from
       Sleepycat, by Thijs Kinkhorst <thijs@kinkhorst.com>, for the Debian system (but may be used by others).

                                                 28 January 2005                                DB5.3_RECOVER(1)