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67 lines
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HTML
67 lines
4.3 KiB
HTML
<!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="auarf048.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="auarf050.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="HDRSYSID" HREF="auarf002.htm#ToC_47">sysid</A></H2>
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<P><STRONG>Purpose</STRONG>
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<A NAME="IDX4023"></A>
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<A NAME="IDX4024"></A>
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<A NAME="IDX4025"></A>
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<A NAME="IDX4026"></A>
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<P>Lists file server machine interface addresses registered in VLDB
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<P><STRONG>Description</STRONG>
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<P>The <B>sysid</B> file records the network interface addresses that the
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File Server (<B>fileserver</B> process) registers in the Volume Location
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Database (VLDB) for the local file server machine.
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<P>Each time the File Server restarts, it builds a list of interfaces on the
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local machine by reading the <B>/usr/afs/local/NetInfo</B> file, if it
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exists. If the file does not exist, the File Server uses the list of
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network interfaces configured with the operating system. It then
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removes from the list any addresses that appear in the
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<B>/usr/afs/local/NetRestrict</B> file, if it exists. The File
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Server records the resulting list in the binary-format <B>sysid</B> file
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and registers the interfaces in the VLDB.
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<P>When the Cache Manager requests volume location information, the Volume
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Location (VL) Server provides all of the interfaces registered for each server
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machine that houses the volume. This enables the Cache Manager to make
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use of multiple addresses when accessing AFS data stored on a multihomed file
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server machine.
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<P><STRONG>Cautions</STRONG>
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<P>The <B>sysid</B> file is unique to each file server machine, and must
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not be copied from one machine to another. If it is a common practice
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in the cell to copy the contents of the <B>/usr/afs/local</B> directory
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from an existing file server machine to a newly installed one, be sure to
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remove the <B>sysid</B> file from the new machine before starting the
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<B>fs</B> trio of processes, which includes the <B>fileserver</B>
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process.
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<P>Some versions of AFS limit how many of a file server machine's
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interface addresses that can be registered. Consult the <I>IBM AFS
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Release Notes</I>.
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<P><STRONG>Related Information</STRONG>
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<P><A HREF="auarf025.htm#HDRSV_NETINFO">NetInfo (server version)</A>
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<P><A HREF="auarf027.htm#HDRSV_NETRESTRICT">NetRestrict (server version)</A>
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<P><A HREF="auarf051.htm#HDRVLDBDB">vldb.DB0 and vldb.DBSYS1</A>
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<P><A HREF="auarf129.htm#HDRFILESERVER">fileserver</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="auarf048.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="auarf050.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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