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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="auarf267.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="auarf269.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_MOVE" HREF="auarf002.htm#ToC_282">vos move</A></H2>
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<A NAME="IDX5766"></A>
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<A NAME="IDX5767"></A>
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<A NAME="IDX5768"></A>
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<P><STRONG>Purpose</STRONG>
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<P>Moves a read/write volume to another site
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<P><STRONG>Synopsis</STRONG>
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<PRE><B>vos move -id</B> <<VAR>volume name or ID</VAR>> <B>-fromserver</B> <<VAR>machine name on source</VAR>>
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<B>-frompartition</B> <<VAR>partition name on source</VAR>>
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<B>-toserver</B> <<VAR>machine name on destination</VAR>>
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<B>-topartition</B> <<VAR>partition name on destination</VAR>>
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[<B>-cell</B> <<VAR>cell name</VAR>>] [<B>-noauth</B>] [<B>-localauth</B>] [<B>-verbose</B>] [<B>-help</B>]
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<B>vos m -i</B> <<VAR>volume name or ID</VAR>> <B>-froms</B> <<VAR>machine name on source</VAR>>
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<B>-fromp</B> <<VAR>partition name on source</VAR>> <B>-tos</B> <<VAR>machine name on destination</VAR>>
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<B>-top</B> <<VAR>partition name on destination</VAR>> [<B>-c</B> <<VAR>cell name</VAR>>]
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[<B>-n</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 move</B> command moves the indicated read/write volume from
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its current site (specified with the <B>-fromserver</B> and
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<B>-frompartition</B> arguments) to the destination site (specified with
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the <B>-toserver</B> and <B>-topartition</B> arguments). This
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command automatically removes the backup copy from the current site, if it
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exists. To create a new backup volume at the destination site, use the
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<B>vos backup</B> command.
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<P>This command works on read/write volumes only. To move a read-only
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volume, use the <B>vos addsite</B> and <B>vos release</B> commands to
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define a new read-only site and release the volume contents to it, and then
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use the <B>vos remove</B> command to remove the previous read-only
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volume's definition from the Volume Location Database (VLDB) and data
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from the partition. To move a backup volume, use this command to move
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its read/write source and then issue the <B>vos backup</B> command.
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<P>Before executing this command, the <B>vos</B> command interpreter
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initiates a check that the destination partition contains enough space to
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house the volume being moved. If there is not enough space, the move
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operation is not attempted and the following message appears:
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<PRE> vos: no space on target partition <VAR>dest_part</VAR> to move volume <VAR>volume</VAR>
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</PRE>
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<P><STRONG>Cautions</STRONG>
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<P>Unless there is a compelling reason, do not interrupt a <B>vos move</B>
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command in progress. Interrupting a move can result in one or more of
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the following inconsistent states:
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<UL>
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<P><LI>There are two versions of the volume, one at the source site and one at
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the destination site. (If this happens, retain the version identified
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by the VLDB and use the <B>vos zap</B> command to remove the other
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version.)
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<P><LI>The backup version of the volume is stranded at the old site. (If
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this happens, use the <B>vos zap</B> command to remove it.)
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<P><LI>The volume is off-line. (If this happens, run the <B>bos
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salvage</B> command to bring it back on line.)
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</UL>
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<P>If the <<B>Ctrl-c</B>> interrupt signal is pressed while a <B>vos
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move</B> operation is executing, the following message warns of the
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consequences and requests confirmation of the kill signal:
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<PRE> SIGINT handler: vos move operation in progress
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WARNING: may leave AFS storage and metadata in indeterminate state
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enter second control-c to exit
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</PRE>
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<P>To confirm termination of the operation, press <<B>Ctrl-c</B>> a
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second time; press any other key to continue the operation.
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<P><STRONG>Options</STRONG>
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<DL>
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<P><DT><B>-id
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</B><DD>Specifies either the complete name or volume ID number of a read/write
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volume.
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<P><DT><B>-fromserver
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</B><DD>Identifies the file server machine where the volume currently
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resides. 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>-frompartition
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</B><DD>Names the partition where the volume currently resides. Provide the
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full partition name (for, example, <B>/vicepa</B>) or one of the
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abbreviated forms described on the introductory <B>vos</B> reference
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page.
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<P><DT><B>-toserver
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</B><DD>Identifies the file server machine to which to move the volume.
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Provide the machine's IP address or its host name (either fully qualified
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or using an unambiguous abbreviation). For details, see the
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introductory reference page for the <B>vos</B> command suite.
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<P><DT><B>-topartition
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</B><DD>Names the partition to which to move the volume. Provide the full
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partition name (for, example, <B>/vicepa</B>) or one of the abbreviated
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forms described on the introductory <B>vos</B> reference page.
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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 example moves the volume <B>user.smith</B> from
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the <B>/vicepb</B> partition on the file server machine
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<B>fs3.abc.com</B> to the <B>/vicepg</B> partition on
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the file server machine <B>fs7.abc.com</B>.
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<PRE> % <B>vos move -id user.smith -fromserver fs3.abc.com -frompartition b</B> \
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<B>-toserver fs7.abc.com -topartition g</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 machines specified with the <B>-toserver</B> and
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<B>-fromserver</B> arguments and on each database server machine.
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If the <B>-localauth</B> flag is included, the issuer must instead be
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logged on to a server machine as the local 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="auarf253.htm#HDRVOS_ADDSITE">vos addsite</A>
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<P><A HREF="auarf255.htm#HDRVOS_BACKUP">vos backup</A>
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<P><A HREF="auarf270.htm#HDRVOS_RELEASE">vos release</A>
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<P><A HREF="auarf266.htm#HDRVOS_LISTVOL">vos listvol</A>
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<P><A HREF="auarf271.htm#HDRVOS_REMOVE">vos remove</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="auarf267.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="auarf269.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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