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116 lines
3.4 KiB
Plaintext
116 lines
3.4 KiB
Plaintext
=head1 NAME
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vldb_check - Checks the integrity of the VLDB
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=head1 SYNOPSIS
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=for html
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<div class="synopsis">
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B<vldb_check> S<<< B<-database> <I<vldb file>> >>> [B<-uheader>] [B<-vheader>]
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[B<-servers>] [B<-entries>] [B<-quiet> | B<-verbose>] [B<-help>]
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B<vldb_check> S<<< B<-d> <I<vldb file>> >>> [B<-u>] [B<-vh>] [B<-s>] [B<-e>]
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[B<-ve>] [B<-h>]
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=for html
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</div>
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=head1 DESCRIPTION
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The B<vldb_check> command checks the integrity of the Volume Location
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Database (VLDB), reporting any errors or corruption it finds. If there
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are problems, do not issue any B<vos> commands until the database is
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repaired.
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=head1 CAUTIONS
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The results can be unpredictable if the Volume Location (VL) Server makes
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changes to the VLDB while this command is running. Use the B<bos shutdown>
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command to shutdown the local B<vlserver> process before running this
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command, or before creating a second copy of the F<vldb.DB0> file (with a
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different name) on which to run the command.
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=head1 OPTIONS
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=over 4
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=item B<-database> <I<vldb file>>
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Names the VLDB (copy of the F<vldb.DB0> file) to check. If the current
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working directory is not the location of the file, provide a pathname,
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either full or relative to the current working directory.
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=item B<-uheader>
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Displays information which Ubik maintains in the database's header.
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=item B<-pheader>
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Displays information which the VL Server maintains in the database's
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header.
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=item B<-servers> <I<authentication servers>>+
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Outputs the server entries from the VLDB, which list the IP addresses
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registered for each file server machine in the cell.
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=item B<-entries>
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Outputs every volume entry in the database. The information includes the
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volume's name and the volume ID number for each of its versions.
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=item B<-quiet>
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Blocks output from going to stdout. Output to stderr is not blocked. Cannot
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be used with -verbose, -uheader, -servers or -entries.
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=item B<-verbose>
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Reports additional information about the database, including the number of
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entries for each type of volume. Cannot be used with -quiet.
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=item B<-help>
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Prints the online help for this command. All other valid options are
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ignored.
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=back
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=head1 OUTPUT
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If there are errors in the database, the output always reports them on the
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standard error stream. If any options other than B<-database> or B<-help>
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are provided, the output written to the standard output stream includes
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additional information as described for each option in L<OPTIONS>. The
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output is intended for debugging purposes and is meaningful to someone
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familiar with the internal structure of the VLDB.
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The B<-quiet> option can be used to supress the standard output stream
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so that the command can be used more easily inside scripts.
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The command exits with one of the following completion codes:
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0: No errors or warnings have been encountered.
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1: One or more warnings encountered.
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2: One or more warnings and/or errors encountered.
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4: A fatal or internal error has occurred and the program cannot proceed.
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=head1 PRIVILEGE REQUIRED
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The issuer must be logged in as the local superuser C<root>.
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=head1 SEE ALSO
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L<vldb.DB0(5)>,
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L<bos_shutdown(8)>,
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L<vlserver(8)>
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=head1 COPYRIGHT
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IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved.
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This documentation is covered by the IBM Public License Version 1.0. It was
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converted from HTML to POD by software written by Chas Williams and Russ
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Allbery, based on work by Alf Wachsmann and Elizabeth Cassell.
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