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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="auarf273.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="auarf275.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_RESTORE" HREF="auarf002.htm#ToC_288">vos restore</A></H2>
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<A NAME="IDX5829"></A>
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<A NAME="IDX5830"></A>
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<A NAME="IDX5831"></A>
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<A NAME="IDX5832"></A>
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<P><STRONG>Purpose</STRONG>
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<P>Converts an ASCII file into proper volume format and writes it to the file
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system
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<P><STRONG>Synopsis</STRONG>
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<PRE><B>vos restore -server</B> <<VAR>machine name</VAR>> <B>-partition</B> <<VAR>partition name</VAR>>
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<B>-name</B> <<VAR>name of volume to be restored</VAR>> [<B>-file</B> <<VAR>dump file</VAR>>]
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[<B>-id</B> <<VAR>volume ID</VAR>>] [<B>-overwrite</B> <<B>abort</B> | <B>full</B> | <B>incremental</B>>]
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[<B>-cell</B> <<VAR>cell name</VAR>>] [<B>-noauth</B>] [<B>-localauth</B>] [<B>-verbose</B>]
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[<B>-help</B>]
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<B>vos res -s</B> <<VAR>machine name</VAR>> <B>-p</B> <<VAR>partition name</VAR>>
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<B>-na</B> <<VAR>name of volume to be restored</VAR>> [<B>-f</B> <<VAR>dump file</VAR>>]
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[<B>-i</B> <<VAR>volume ID</VAR>>] [<B>-o</B> <<B>a</B> | <B>f</B> | <B>inc</B>>] [<B>-c</B> <<VAR>cell name</VAR>>]
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[<B>-no</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 restore</B> command converts a volume dump file previously
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created with the <B>vos dump</B> command from ASCII into the volume format
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appropriate for the machine type indicated by the <B>-server</B> argument,
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and restores it as a read/write volume to the partition named by the
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<B>-partition</B> argument on that machine. The Volume Server
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assigns the volume name indicated with the <B>-name</B> argument, and
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resets the volume's creation timestamp to the time at which the restore
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operation begins (the creation timestamp is stored in the volume header and
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reported in the <TT>Creation</TT> field in the output from the <B>vos
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examine</B> and <B>vos listvol</B> commands.)
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<P>Use the <B>-file</B> argument to name the dump file, or omit the
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argument to provide the file via the standard input stream, presumably through
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a pipe. The pipe can be named, which enables interoperation with
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third-party backup utilities.
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<P>As described in the following list, the command can create a completely new
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volume or overwrite an existing volume. In all cases, the full dump of
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the volume must be restored before any incremental dumps. If there are
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multiple incremental dump files, they must be restored in the order they were
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created.
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<UL>
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<P><LI>To create a new read/write volume, use the <B>-name</B> argument to
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specify a volume name that does not already exist in the Volume Location
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Database (VLDB), and the <B>-server</B> and <B>-partition</B>
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arguments to specify the new volume's site. It is best to omit the
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<B>-id</B> argument so that the Volume Location (VL) Server allocates a
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volume ID automatically. Do not include the <B>-overwrite</B>
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argument, because there is no existing volume to overwrite.
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<P><LI>To overwrite an existing volume at its current site, specify its name and
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site with the <B>-name</B>, <B>-server</B>, and <B>-partition</B>
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arguments. The volume retains its current volume ID number unless the
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<B>-id</B> argument is provided. Specify the value <B>f</B> or
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<B>i</B> for the <B>-overwrite</B> argument to indicate whether the
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dump file is full or incremental, respectively.
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<P><LI>To overwrite an existing volume and move it to a new site, specify its
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name and the new site with the <B>-name</B>, <B>-server</B>, and
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<B>-partition</B> arguments. The volume retains its current volume
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ID number unless the <B>-id</B> argument is provided. The volume is
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removed from its original site. Specify the value <B>f</B> for the
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<B>-overwrite</B> argument to indicate that the dump file is a full dump
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(it is not possible to restore an incremental dump and move the volume at the
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same time).
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</UL>
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<P>If the volume named by the <B>-name</B> argument already exists and the
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<B>-overwrite</B> argument is omitted, the command interpreter produces
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the following prompt:
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<P>
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<PRE> Do you want to do a full/incremental restore or abort? [fia](a):
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</PRE>
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<P>Respond by entering one of the following values:
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<UL>
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<P><LI><B>f</B> if restoring a full dump file
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<P><LI><B>i</B> if restoring an incremental dump file
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<P><LI><B>a</B> or <<B>Return</B>> to cancel the restore operation
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</UL>
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<P><STRONG>Cautions</STRONG>
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<P>If the <B>-file</B> argument is omitted, the issuer must provide all
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other necessary arguments, because the standard input stream is unavailable
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for responding to the command interpreter's prompts for missing
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information. In particular, the issuer must provide the
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<B>-overwrite</B> argument if overwriting an existing volume.
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<P><STRONG>Options</STRONG>
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<DL>
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<P><DT><B>-server
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</B><DD>Identifies the file server machine onto which to restore the
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volume. Provide the machine's IP address or its host name (either
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fully qualified or using an unambiguous abbreviation). For details, see
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the introductory reference page for the <B>vos</B> command suite.
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<P><DT><B>-partition
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</B><DD>Identifies the partition (on the file server machine specified by the
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<B>-server</B> argument) onto which to restore the volume. Provide
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the partition's complete name with preceding slash (for example,
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<B>/vicepa</B>) or use one of the three acceptable abbreviated
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forms. For details, see the introductory reference page for the
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<B>vos</B> command suite.
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<P><DT><B>-name
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</B><DD>Specifies the name under which to restore the volume. It can be up
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to 22 characters long, but cannot end with a <B>.readonly</B> or
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<B>.backup</B> extension. If the volume already exists, it
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is overwritten subject to the value of the <B>-overwrite</B>
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argument.
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<P><DT><B>-file
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</B><DD>Names the dump file to restore. Incomplete pathnames are
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interpreted relative to the current working directory. Omit this
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argument to provide the dump file via the standard input stream.
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<P><DT><B>-id
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</B><DD>Specifies the volume ID number to assign to the restored volume.
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<P><DT><B>-overwrite
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</B><DD>Specifies which type of dump file is being restored when overwriting an
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existing volume. Provide one of the following values:
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<UL>
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<P><LI><B>a</B> to terminate the restore operation.
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<P><LI><B>f</B> if restoring a full dump file.
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<P><LI><B>i</B> if restoring an incremental dump file. This value is
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not acceptable if the <B>-server</B> and <B>-partition</B> arguments
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do not indicate the volume's current site.
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</UL>
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<P>
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<P>This argument is mandatory if the <B>-file</B> argument is not
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provided.
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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 restores the contents of the dump file
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<B>/afs/abc.com/common/dumps/terry.dump</B> to the
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<B>/vicepc</B> partition on the file server machine
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<B>fs3.abc.com</B>. The restored volume is named
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<B>user.terry</B>.
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<PRE> % <B>cd /afs/abc.com/common/dumps</B>
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% <B>vos restore -file terry.dump -server fs3.abc.com -partition c</B> \
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<B>-name 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="auarf260.htm#HDRVOS_DUMP">vos dump</A>
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<P><A HREF="auarf261.htm#HDRVOS_EXAMINE">vos examine</A>
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<P><A HREF="auarf266.htm#HDRVOS_LISTVOL">vos listvol</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="auarf273.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="auarf275.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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