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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="auarf266.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="auarf268.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="HDRVOS_LOCK" HREF="auarf002.htm#ToC_281">vos lock</A></H2>
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<A NAME="IDX5761"></A>
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<A NAME="IDX5762"></A>
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<A NAME="IDX5763"></A>
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<A NAME="IDX5764"></A>
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<A NAME="IDX5765"></A>
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<P><STRONG>Purpose</STRONG>
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<P>Locks a VLDB volume entry
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<P><STRONG>Synopsis</STRONG>
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<PRE><B>vos lock -id</B> <<VAR>volume name or ID</VAR>> [<B>-cell</B> <<VAR>cell name</VAR>>] [<B>-noauth</B>]
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[<B>-localauth</B>] [<B>-verbose</B>] [<B>-help</B>]
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<B>vos lo -i</B> <<VAR>volume name or ID</VAR>> [<B>-c</B> <<VAR>cell name</VAR>>] [<B>-n</B>] [<B>-l</B>] [<B>-v</B>] [<B>-h</B>]
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</PRE>
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<P><STRONG>Description</STRONG>
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<P>The <B>vos lock</B> command locks the Volume Location Database (VLDB)
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entry for the indicated volume, blocking any operation that requires a write
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to that entry. The lock applies to all of the volume versions
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associated with the entry, not just the one specified with the <B>-id</B>
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argument.
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<P>To unlock a single VLDB entry, use the <B>vos unlock</B>
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command. To unlock several entries, or all locked entries in the VLDB,
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use the <B>vos unlockvldb</B> command.
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<P><STRONG>Cautions</STRONG>
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<P>Do not use this command in normal circumstances. It is useful for
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guaranteeing that the volume stays unchanged when there is reason to believe
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that volume operations cannot properly lock VLDB volume entries as they
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normally do to synchronize with one another.
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<P><STRONG>Options</STRONG>
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<DL>
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<P><DT><B>-id
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</B><DD>Specifies either the complete name or volume ID number of a volume of the
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any of the three types.
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<P><DT><B>-cell
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</B><DD>Names the cell in which to run the command. Do not combine this
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argument with the <B>-localauth</B> flag. For more details, see the
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introductory <B>vos</B> reference page.
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<P><DT><B>-noauth
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</B><DD>Assigns the unprivileged identity <B>anonymous</B> to the
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issuer. Do not combine this flag with the <B>-localauth</B>
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flag. For more details, see the introductory <B>vos</B> reference
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page.
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<P><DT><B>-localauth
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</B><DD>Constructs a server ticket using a key from the local
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<B>/usr/afs/etc/KeyFile</B> file. The <B>vos</B> command
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interpreter presents it to the Volume Server and Volume Location Server during
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mutual authentication. Do not combine this flag with the
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<B>-cell</B> argument or <B>-noauth</B> flag. For more details,
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see the introductory <B>vos</B> reference page.
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<P><DT><B>-verbose
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</B><DD>Produces on the standard output stream a detailed trace of the
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command's execution. If this argument is omitted, only warnings
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and error messages appear.
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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>Examples</STRONG>
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<P>The following command locks the VLDB entry for
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<B>user.terry</B>.
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<PRE> % <B>vos lock user.terry</B>
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</PRE>
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<P><STRONG>Privilege Required</STRONG>
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<P>The issuer must be listed in the <B>/usr/afs/etc/UserList</B> file on
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the machine specified with the <B>-server</B> argument and on each
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database server machine. If the <B>-localauth</B> flag is included,
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the issuer must instead be logged on to a server machine as the local
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superuser <B>root</B>.
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<P><STRONG>Related Information</STRONG>
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<P><A HREF="auarf252.htm#HDRVOS_INTRO">vos</A>
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<P><A HREF="auarf278.htm#HDRVOS_UNLOCK">vos unlock</A>
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<P><A HREF="auarf279.htm#HDRVOS_UNLOCKVLDB">vos unlockvldb</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="auarf266.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="auarf268.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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