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<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML 4//EN">
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<HTML><HEAD>
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<TITLE>Administration Reference</TITLE>
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<META HTTP-EQUIV="updated" CONTENT="Tue, 03 Oct 2000 16:18:29">
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<A NAME="Top_Of_Page"></A>
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<H1>Administration Reference</H1>
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<HR><P ALIGN="center"> <A HREF="../index.htm"><IMG SRC="../books.gif" BORDER="0" ALT="[Return to Library]"></A> <A HREF="auarf002.htm#ToC"><IMG SRC="../toc.gif" BORDER="0" ALT="[Contents]"></A> <A HREF="auarf247.htm"><IMG SRC="../prev.gif" BORDER="0" ALT="[Previous Topic]"></A> <A HREF="#Bot_Of_Page"><IMG SRC="../bot.gif" BORDER="0" ALT="[Bottom of Topic]"></A> <A HREF="auarf249.htm"><IMG SRC="../next.gif" BORDER="0" ALT="[Next Topic]"></A> <A HREF="auarf284.htm#HDRINDEX"><IMG SRC="../index.gif" BORDER="0" ALT="[Index]"></A> <P>
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<P>
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<H2><A NAME="HDRVLDB_CHECK" HREF="auarf002.htm#ToC_262">vldb_check</A></H2>
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<A NAME="IDX5557"></A>
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<A NAME="IDX5558"></A>
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<A NAME="IDX5559"></A>
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<P><STRONG>Purpose</STRONG>
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<P>Checks the integrity of the VLDB
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<P><STRONG>Synopsis</STRONG>
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<PRE><B>vldb_check -database</B> <<VAR>vldb_file</VAR>> [<B>-uheader</B>] [<B>-vheader</B>] [<B>-servers</B>]
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[<B>-entries</B>] [<B>-verbose</B>] [<B>-help</B>]
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<B>vldb_check -d</B> <<VAR>vldb_file</VAR>> [<B>-u</B>] [<B>-vh</B>] [<B>-s</B>] [<B>-e</B>] [<B>-ve</B>] [<B>-h</B>]
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</PRE>
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<P><STRONG>Description</STRONG>
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<P>The <B>vldb_check</B> command checks the integrity of the Volume
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Location Database (VLDB), reporting any errors or corruption it finds.
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If there are problems, do not issue any <B>vos</B> commands until the
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database is repaired.
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<P><STRONG>Cautions</STRONG>
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<P>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
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shutdown</B> command to shutdown the local <B>vlserver</B> process
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before running this command, or before creating a second copy of the
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<B>vldb.DB0</B> file (with a different name) on which to run the
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command.
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<P><STRONG>Options</STRONG>
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<DL>
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<P><DT><B>-database
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</B><DD>Names the VLDB (copy of the <B>vldb.DB0</B> file) to
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check. If the current working directory is not the location of the
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file, provide a pathname, either full or relative to the current working
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directory.
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<P><DT><B>-uheader
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</B><DD>Displays information which Ubik maintains in the database's
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header.
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<P><DT><B>-pheader
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</B><DD>Displays information which the VL Server maintains in the database's
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header.
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<P><DT><B>-servers
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</B><DD>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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<P><DT><B>-entries
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</B><DD>Outputs every volume entry in the database. The information
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includes the volume's name and the volume ID number for each of its
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versions.
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<P><DT><B>-verbose
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</B><DD>Reports additional information about the database, including the number of
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entries for each type of volume.
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<P><DT><B>-help
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</B><DD>Prints the online help for this command. All other valid options
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are ignored.
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</DL>
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<P><STRONG>Output</STRONG>
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<P>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</B>
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or <B>-help</B> are provided, the output written to the standard output
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stream includes additional information as described for each option in the
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preceding <B>Options</B> section of this reference page. The output
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is intended for debugging purposes and is meaningful to someone familiar with
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the internal structure of the VLDB.
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<P><STRONG>Privilege Required</STRONG>
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<P>The issuer must be logged in as the local superuser <B>root</B>.
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<P><STRONG>Related Information</STRONG>
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<P><A HREF="auarf051.htm#HDRVLDBDB">vldb.DB0 and vldb.DBSYS1</A>
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<P><A HREF="auarf118.htm#HDRBOS_SHUTDOWN">bos shutdown</A>
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<P><A HREF="auarf249.htm#HDRVLSERVER">vlserver</A>
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<P>
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<HR><P ALIGN="center"> <A HREF="../index.htm"><IMG SRC="../books.gif" BORDER="0" ALT="[Return to Library]"></A> <A HREF="auarf002.htm#ToC"><IMG SRC="../toc.gif" BORDER="0" ALT="[Contents]"></A> <A HREF="auarf247.htm"><IMG SRC="../prev.gif" BORDER="0" ALT="[Previous Topic]"></A> <A HREF="#Top_Of_Page"><IMG SRC="../top.gif" BORDER="0" ALT="[Top of Topic]"></A> <A HREF="auarf249.htm"><IMG SRC="../next.gif" BORDER="0" ALT="[Next Topic]"></A> <A HREF="auarf284.htm#HDRINDEX"><IMG SRC="../index.gif" BORDER="0" ALT="[Index]"></A> <P>
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