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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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<META HTTP-EQUIV="review" CONTENT="Wed, 03 Oct 2001 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="auarf043.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="auarf045.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="HDRFMSLOG" HREF="auarf002.htm#ToC_42">fms.log</A></H2>
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<P><STRONG>Purpose</STRONG>
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<P>Records output from the <B>fms</B> command
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<P><STRONG>Description</STRONG>
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<P>The <B>fms.log</B> file records the output generated by the
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<B>fms</B> command. The output includes two numbers that can appear
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in a tape device's entry in the <B>/usr/afs/backup/tapeconfig</B>
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file on the Tape Coordinator machine to which the tape device is
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attached:
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<UL>
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<P><LI>The capacity in bytes of the tape in the device
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<P><LI>The size in bytes of the end-of-file (EOF) marks (often referred to simply
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as <I>filemarks</I>) that the tape device writes
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</UL>
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<P>When transferring the numbers recorded in this file to the
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<B>tapeconfig</B> file, adjust them as specified on the reference page for
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the <B>tapeconfig</B> file, to improve Tape Coordinator performance during
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dump operations.
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<P>If the <B>fms.log</B> file does not already exist in the current
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working directory, the <B>fms</B> command interpreter creates it.
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In this case, the directory's mode bits must grant the <B>rwx</B>
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(<B>read</B>, <B>write</B>, and <B>execute</B>) permissions to the
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issuer of the command. If there is an existing file, the command
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interpreter overwrites it, so the file's mode bits need to grant only the
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<B>w</B> permission to the issuer of the <B>fms</B> command.
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The <B>fms</B> command interpreter also writes similar information to the
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standard output stream as it runs.
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<P>The file is in ASCII format. To display its contents, log onto the
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client machine and use a text editor or a file display command such as the
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UNIX <B>cat</B> command. By default, the mode bits on the
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<B>fms.log</B> file grant the required <B>r</B> permission only
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to the owner (which is the local superuser <B>root</B> by default).
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<P><STRONG>Output</STRONG>
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<P>The first few lines of the file provide a simple trace of the
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<B>fms</B> command interpreter's actions, specifying (for example)
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how many blocks it wrote on the tape. The final two lines in the file
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specify tape capacity and filemark size in bytes, using the following
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format:
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<PRE> Tape capacity is <VAR>tape_size</VAR> bytes
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File marks are <VAR>filemark_size</VAR> bytes
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</PRE>
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<P><STRONG>Examples</STRONG>
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<P>The following example of the <B>fms.log</B> file specifies that
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the tape used during the execution of the <B>fms</B> command had a
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capacity of 2,136,604,672 bytes, and that the tape device writes filemarks of
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size 1,910,220 bytes.
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<PRE> fms test started
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wrote 130408 blocks
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Tape capacity is 2136604672 bytes
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File marks are 1910220 bytes
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</PRE>
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<P><STRONG>Related Information</STRONG>
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<P><A HREF="auarf050.htm#HDRTAPECONFIG">tapeconfig</A>
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<P><A HREF="auarf130.htm#HDRFMS">fms</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="auarf043.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="auarf045.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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<br>© <A HREF="http://www.ibm.com/">IBM Corporation 2000.</A> All Rights Reserved
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