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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="auarf116.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="auarf118.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="HDRBOS_SETRESTART" HREF="auarf002.htm#ToC_131">bos setrestart</A></H2>
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<P><STRONG>Purpose</STRONG>
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<P>Sets the date and time at which the BOS Server restarts processes
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<P><STRONG>Synopsis</STRONG>
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<PRE><B>bos setrestart -server</B> <<VAR>machine name</VAR>> <B>-time</B> <<VAR>time to restart server</VAR>>
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[<B>-general</B>] [<B>-newbinary</B>] [<B>-cell</B> <<VAR>cell name</VAR>>]
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[<B>-noauth</B>] [<B>-localauth</B>] [<B>-help</B>]
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<B>bos setr -s</B> <<VAR>machine name</VAR>> <B>-t</B> <<VAR>time to restart server</VAR>> [<B>-g</B>] [<B>-ne</B>]
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[<B>-c</B> <<VAR>cell name</VAR>>] [<B>-no</B>] [<B>-l</B>] [<B>-h</B>]
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</PRE>
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<P><STRONG>Description</STRONG>
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<P>The <B>bos setrestart</B> command records in the
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<B>/usr/afs/local/BosConfig</B> file the times at which the BOS Server
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running on the server machine named by the <B>-server</B> argument
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performs two types of restarts:
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<UL>
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<P><LI>A <I>general restart</I>. By default, once per week the BOS
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Server restarts itself and then any AFS process marked with the <TT>Run</TT>
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status flag in the <B>BosConfig</B> file (equivalent in effect to issuing
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the <B>bos restart</B> command with the <B>-bosserver</B>
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flag). The default setting is 4:00 a.m. each Sunday
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morning.
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<P><LI>A <I>binary restart</I>. By default, once per day the BOS
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Server restarts any currently running process for which the timestamp on the
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binary file in the <B>/usr/afs/bin</B> directory is later than the time
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the process last started or restarted. The default is 5:00
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a.m. each day.
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</UL>
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<P><STRONG>Cautions</STRONG>
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<P>Restarting a process makes it unavailable for a period of time. The
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<B>fs</B> process has potentially the longest outage, depending on how
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many volumes the file server machine houses (the File Server and Volume Server
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reattach each volume when they restart). The default settings are
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designed to coincide with periods of low usage, so that the restarts disturb
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the smallest possible number of users.
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<P>If the setting specified with the <B>-time</B> argument is within one
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hour of the current time, the BOS Server does not restart any processes until
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the next applicable opportunity (the next day for binary restarts, or the next
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week for general restarts).
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<P>The command changes only one type of restart setting at a time; issue
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the command twice to change both settings.
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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>Indicates the server machine on which to set a new restart time.
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Identify the machine by IP address or its host name (either fully-qualified or
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abbreviated unambiguously). For details, see the introductory reference
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page for the <B>bos</B> command suite.
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<P><DT><B>-time
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</B><DD>Specifies the restart time. By convention the general restart is
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defined as weekly (specifies both a day and a time), and the binary restart is
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defined as daily (specifies only a time). However, it is acceptable to
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define a daily general restart or weekly binary restart.
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<P>There are four acceptable values for either type of restart setting:
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<UL>
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<P><LI>The string <B>never</B>, which directs the BOS Server never to perform
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the indicated type of restart.
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<P><LI>The string <B>now</B>, which directs the BOS Server to perform the
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restart immediately and never again.
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<P><LI>A time of day (the conventional type of value for the binary restart
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time). Separate the hours and minutes with a colon
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(<I>hh</I>:<I>MM</I>), and use either 24-hour format, or a value
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in the range from <B>1:00</B> through <B>12:59</B> with
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the addition of <B>am</B> or <B>pm</B>. For example, both
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<B>14:30</B> and <B>"2:30 pm"</B> indicate 2:30 in
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the afternoon. Surround this parameter with double quotes (<B>"
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"</B>) if it contains a space.
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<P><LI>A day of the week and time of day, separated by a space and surrounded
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with double quotes (<B>" "</B>). This is the conventional type of
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value for the general restart. For the day, provide either the whole
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name or the first three letters, all in lowercase letters (<B>sunday</B>
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or <B>sun</B>, <B>thursday</B> or <B>thu</B>, and so on).
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For the time, use the same format as when specifying the time alone.
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</UL>
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<P>If desired, precede a time or day and time definition with the string
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<B>every</B> or <B>at</B>. These words do not change the
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meaning, but possibly make the output of the <B>bos getrestart</B> command
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easier to understand.
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<P><DT><B><B>-general</B>
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</B><DD>Sets the general restart time.
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<P><DT><B><B>-newbinary</B>
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</B><DD>Sets the binary restart time.
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<P><DT><B><B>-cell</B>
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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>bos</B> reference page.
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<P><DT><B><B>-noauth</B>
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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>bos</B> reference
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page.
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<P><DT><B><B>-localauth</B>
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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>bos</B> command
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interpreter presents the ticket to the BOS Server during mutual
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authentication. Do not combine this flag with the <B>-cell</B> or
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<B>-noauth</B> options. For more details, see the introductory
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<B>bos</B> reference page.
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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 sets the general restart time on the machine
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<B>fs4.abc.com</B> to Saturday at 3:30 am.
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<PRE> % <B>bos setrestart -server fs4.abc.com -time "sat 3:30" -general</B>
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</PRE>
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<P>The following command sets the binary restart time on the machine
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<B>fs6.abc.com</B> to 11:45 pm.
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<PRE> % <B>bos setrestart -server fs6.abc.com -time 23:45 -newbinary</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 named by the <B>-server</B> argument, or must be logged onto a
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server machine as the local superuser <B>root</B> if the
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<B>-localauth</B> flag is included.
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<P><STRONG>Related Information</STRONG>
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<P><A HREF="auarf016.htm#HDRBOSCONFIG">BosConfig</A>
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<P><A HREF="auarf023.htm#HDRKEYFILE">KeyFile</A>
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<P><A HREF="auarf035.htm#HDRUSERLIST">UserList</A>
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<P><A HREF="auarf093.htm#HDRBOS_INTRO">bos</A>
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<P><A HREF="auarf103.htm#HDRBOS_GETRESTART">bos getrestart</A>
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<P><A HREF="auarf113.htm#HDRBOS_RESTART">bos restart</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="auarf116.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="auarf118.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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