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       vldb_check - Checks the integrity of the VLDB


       vldb_check -database <vldb file> [-uheader] [-vheader]
           [-servers] [-entries] [-verbose] [-help]

       vldb_check -d <vldb file> [-u] [-vh] [-s] [-e]
           [-ve] [-h]


       The vldb_check command checks the integrity of the Volume Location
       Database (VLDB), reporting any errors or corruption it finds.  If there
       are problems, do not issue any vos commands until the database is


       The results can be unpredictable if the Volume Location (VL) Server
       makes changes to the VLDB while this command is running. Use the bos
       shutdown command to shutdown the local vlserver process before running
       this command, or before creating a second copy of the vldb.DB0 file
       (with a different name) on which to run the command.


       -database <vldb file>
           Names the VLDB (copy of the vldb.DB0 file) to check. If the current
           working directory is not the location of the file, provide a
           pathname, either full or relative to the current working directory.

           Displays information which Ubik maintains in the database’s header.

           Displays information which the VL Server maintains in the
           database’s header.

       -servers <authentication servers>+
           Outputs the server entries from the VLDB, which list the IP
           addresses registered for each file server machine in the cell.

           Outputs every volume entry in the database. The information
           includes the volume’s name and the volume ID number for each of its

           Reports additional information about the database, including the
           number of entries for each type of volume.

           Prints the online help for this command. All other valid options
           are ignored.


       If there are errors in the database, the output always reports them on
       the standard error stream. If any options other than -database or -help
       are provided, the output written to the standard output stream includes
       additional information as described for each option in OPTIONS.  The
       output is intended for debugging purposes and is meaningful to someone
       familiar with the internal structure of the VLDB.


       The issuer must be logged in as the local superuser "root".


       vldb.DB0(5), bos_shutdown(8), vlserver(8)


       IBM Corporation 2000. <> All Rights Reserved.

       This documentation is covered by the IBM Public License Version 1.0.
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       and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell.