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argument, or on the single partition specified by the SERVER and
PARTITION arguments, is recorded correctly in the VLDB.  It calls the
AFS system library function I<UV_SyncVolume>.

=item B<$ok = $vldb-E<gt>syncvldbentry(VOLUME);>

Verifies that the status of the VOLUME is recorded correctly in the
VLDB.  It calls the AFS system library function I<UV_SyncVolume>.

=item B<$ok = $vldb-E<gt>unlock(VOLUME);>

Releases the lock on the VLDB entry for the specified VOLUME (volume
name or volume ID number).  It calls the AFS system library function
I<UV_LockRelease>.

=item B<$ok = $vldb-E<gt>unlockvldb([SERVER [, PARTITION]]);>

Releases the lock on the VLDB entries
indicated by the combination of arguments provided:

  * To unlock all entries in the VLDB, provide no arguments.

  * To unlock all entries that mention a file server machine
    in a site definition, provide its name with the SERVER
    argument.

  * To unlock all entries that mention a partition on any
    file server machine in a site definition, provide the
    partition name with the PARTITION argument.

  * To unlock all entries that mention a specific site,
    provide both the SERVER and PARTITION arguments.

It calls the AFS system library function I<VL_ReleaseLock>.

=back

=head1 AUTHORS

The code and documentation for this class were contributed by Stanford
Linear Accelerator Center, a department of Stanford University.  This
documentation were written by

=over

=item Alf Wachsmann E<lt>alfw@slac.stanford.eduE<gt>, and

=item Norbert E. Gruener E<lt>nog@MPA-Garching.MPG.deE<gt>

=item S< >

=back

=head1 COPYRIGHT AND LICENSE

 Copyright (c) 2005-2011 Norbert E. Gruener <nog@MPA-Garching.MPG.de>
 Copyright (c) 2003-2004 Alf Wachsmann <alfw@slac.stanford.edu> and
                         Norbert E. Gruener <nog@MPA-Garching.MPG.de>
 All rights reserved.

Most of the explanations in this document are taken from the original
AFS documentation.

 AFS-3 Programmer's Reference:
 Volume Server/Volume Location Server Interface
 Edward R. Zayas
 Copyright (c) 1991 Transarc Corporation.
 All rights reserved.

 IBM AFS Administration Reference
 Copyright (c) IBM Corporation 2000.
 All rights reserved.

This is free software; you can redistribute it and/or modify it under
the same terms as the Perl 5 programming language system itself.

=head1 DOCUMENT VERSION

Revision $Rev: 1078 $