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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="auarf019.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="auarf021.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="HDRSV_CSDB" HREF="auarf002.htm#ToC_18">CellServDB (server version)</A></H2>
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<P><STRONG>Purpose</STRONG>
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<A NAME="IDX3920"></A>
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<A NAME="IDX3922"></A>
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<A NAME="IDX3923"></A>
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<A NAME="IDX3924"></A>
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<A NAME="IDX3925"></A>
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<A NAME="IDX3927"></A>
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<P>Lists the local cell's database server machines
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<P><STRONG>Description</STRONG>
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<P>The server version of the <B>CellServDB</B> file lists the local
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cell's database server machines. These machines run the
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Authentication Server, Backup Server, Protection Server, and Volume Location
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(VL) Server (the <B>kaserver</B>, <B>buserver</B>,
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<B>ptserver</B>, and <B>vlserver</B>) processes, which maintain the
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cell's administrative AFS databases. The initial version of the
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file is created with the <B>bos setcellname</B> command during the
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installation of the cell's server machine, which is automatically
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recorded as the cell's first database server machine. When adding
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or removing database server machines, be sure to update this file
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appropriately. It must reside in the <B>/usr/afs/etc</B> directory
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on each AFS server machine.
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<P>The database server processes consult the <B>CellServDB</B> file to
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learn about their peers, with which they must maintain constant connections in
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order to coordinate replication of changes across the multiple copies of each
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database. The other AFS server processes consult the file to learn
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which machines to contact for information from the databases when they need
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it.
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<P>Although the <B>CellServDB</B> file is in ASCII format, do not use a
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text editor to alter it. Instead always use the appropriate commands
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from the <B>bos</B> command suite:
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<UL>
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<P><LI>The <B>bos addhost</B> command to add a machine to the file
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<P><LI>The <B>bos listhosts</B> command to display the list of machines from
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the file
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<P><LI>The <B>bos removehost</B> command to remove a machine from the file
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</UL>
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<P>In cells that run the United States edition of AFS and use the Update
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Server to distribute the contents of the <B>/usr/afs/etc</B> directory, it
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is customary to edit only the copy of the file stored on the system control
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machine. In cells that run the international version of AFS, edit the
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file on each server machine individually. For instructions on adding
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and removing database server machine, see the <I>IBM AFS Quick
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Beginnings</I> chapter on installing additional server machines.
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<P>The server version of the <B>CellServDB</B> file is distinct from the
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client version, which resides in the <B>/usr/vice/etc</B> directory on
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each AFS client machine. The server version lists only the local
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cell's database server machines, whereas the client version lists the
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database server machines in every AFS cell that the cell administrator wants
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the machine's users to be able to access.
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<P><STRONG>Related Information</STRONG>
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<P><A HREF="auarf019.htm#HDRCLI_CSDB">CellServDB (client version)</A>
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<P><A HREF="auarf094.htm#HDRBOS_ADDHOST">bos addhost</A>
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<P><A HREF="auarf106.htm#HDRBOS_LISTHOSTS">bos listhosts</A>
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<P><A HREF="auarf110.htm#HDRBOS_REMOVEHOST">bos removehost</A>
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<P><A HREF="auarf116.htm#HDRBOS_SETCELLNAME">bos setcellname</A>
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<P><A HREF="auarf125.htm#HDRBUSERVER">buserver</A>
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<P><A HREF="auarf198.htm#HDRKASERVER">kaserver</A>
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<P><A HREF="auarf227.htm#HDRPTSERVER">ptserver</A>
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<P><A HREF="auarf249.htm#HDRVLSERVER">vlserver</A>
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<P><A HREF="auarf240.htm#HDRUPCLIENT">upclient</A>
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<P><A HREF="auarf241.htm#HDRUPSERVER">upserver</A>
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<P><I>IBM AFS Quick Beginnings</I>
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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="auarf019.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="auarf021.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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