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<HTML><HEAD>
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<TITLE>Administration Reference</TITLE>
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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="auarf250.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="auarf252.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="HDRVOLSERVER" HREF="auarf002.htm#ToC_265">volserver</A></H2>
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<A NAME="IDX5566"></A>
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<A NAME="IDX5567"></A>
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<A NAME="IDX5568"></A>
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<P><STRONG>Purpose</STRONG>
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<P>Initializes the Volume Server component of the <B>fs</B> process
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<P><STRONG>Synopsis</STRONG>
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<PRE><B>volserver</B> [<B>-log</B>] [<B>-p</B> <<VAR>number of processes</VAR>>]
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[<B>-udpsize</B> <<VAR>size of socket buffer in bytes</VAR>>]
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[<B>-enable_peer_stats</B>] [<B>-enable_process_stats</B>] [<B>-help</B>]
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</PRE>
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<P>This command does not use the syntax conventions of the AFS command
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suites. Provide the command name and all option names in full.
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<P><STRONG>Description</STRONG>
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<P>The <B>volserver</B> command initializes the Volume Server component of
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the <B>fs</B> process. In the conventional configuration, its
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binary file is located in the <B>/usr/afs/bin</B> directory on a file
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server machine.
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<P>The <B>volserver</B> command is not normally issued at the command
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shell prompt but rather placed into a file server machine's
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<B>/usr/afs/local/BosConfig</B> file with the <B>bos create</B>
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command. If it is ever issued at the command shell prompt, the issuer
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must be logged onto a database server machine as the local superuser
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<B>root</B>.
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<P>The Volume Server records a trace of its activity in the
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<B>/usr/afs/logs/VolserLog</B> file. Use the <B>bos getlog</B>
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command to display the contents of the file.
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<P>The Volume Server processes the <B>vos</B> commands that administrators
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use to create, delete, move, and replicate volumes, as well as prepare them
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for archiving to tape or other media.
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<P>By default, the VL Server runs nine lightweight processes (LWPs). To
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change the number, use the <B>-p</B> argument.
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<P><STRONG>Options</STRONG>
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<DL>
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<P><DT><B>-log
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</B><DD>Records in the <B>/usr/afs/logs/VolserLog</B> file the names of all
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users who successfully initiate a <B>vos</B> command. The Volume
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Server also records any file removals that result from issuing the <B>vos
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release</B> command with the <B>-f</B> flag.
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<P><DT><B>-p
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</B><DD>Sets the number of server lightweight processes (LWPs) to run.
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Provide an integer between <B>4</B> and <B>16</B>. The default
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is 9.
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<P><DT><B>-udpsize
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</B><DD>Sets the size of the UDP buffer, which is 64 KB by default. Provide
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a positive integer, preferably larger than the default.
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<P><DT><B>-enable_peer_stats
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</B><DD>Activates the collection of Rx statistics and allocates memory for their
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storage. For each connection with a specific UDP port on another
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machine, a separate record is kept for each type of RPC (FetchFile, GetStatus,
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and so on) sent or received. To display or otherwise access the
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records, use the Rx Monitoring API.
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<P><DT><B>-enable_process_stats
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</B><DD>Activates the collection of Rx statistics and allocates memory for their
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storage. A separate record is kept for each type of RPC (FetchFile,
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GetStatus, and so on) sent or received, aggregated over all connections to
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other machines. To display or otherwise access the records, use the Rx
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Monitoring API.
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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 <B>bos create</B> command creates a <B>volserver</B>
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process on the machine <B>fs2.abc.com</B>:
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<PRE> % <B>bos create -server fs2.abc.com -instance volserver -type simple</B> \
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<B>-cmd /usr/afs/bin/volserver </B>
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</PRE>
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<P><STRONG>Privilege Required</STRONG>
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<P>The issuer must be logged in as the superuser <B>root</B> on a file
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server machine to issue the command at a command shell prompt. It is
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conventional instead to create and start the process by issuing the <B>bos
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create</B> command.
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<P><STRONG>Related Information</STRONG>
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<P><A HREF="auarf016.htm#HDRBOSCONFIG">BosConfig</A>
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<P><A HREF="auarf039.htm#HDRVOLSERLOG">VolserLog</A>
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<P><A HREF="auarf098.htm#HDRBOS_CREATE">bos create</A>
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<P><A HREF="auarf102.htm#HDRBOS_GETLOG">bos getlog</A>
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<P><A HREF="auarf252.htm#HDRVOS_INTRO">vos</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="auarf250.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="auarf252.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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