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sge_shadowd - Grid Engine shadow master daemon
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<I>sge</I>_<I>shadowd</I> is a "light weight" process which can be run on
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so-called shadow master hosts in a Grid Engine cluster to
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detect failure of the current Grid Engine master daemon,
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<B><A HREF="../htmlman8/sge_qmaster.html">sge_qmaster(8)</A></B>, and to start-up a new <B><A HREF="../htmlman8/sge_qmaster.html">sge_qmaster(8)</A></B> on the
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host on which the <I>sge</I>_<I>shadowd</I> runs. If multiple shadow dae-
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mons are active in a cluster, they run a protocol which
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ensures that only one of them will start-up a new master
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The hosts suitable for being used as shadow master hosts
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must have shared root read/write access to the directory
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<sge_root>/<cell>/common as well as to the master daemon
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spool directory (by default
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<sge_root>/<cell>/spool/qmaster). The names of the shadow
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master hosts need to be contained in the file
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<sge_root>/<cell>/common/shadow_masters.
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<I>sge</I>_<I>shadowd</I> may only be started by root.
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SGE_ROOT Specifies the location of the Grid Engine
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standard configuration files.
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SGE_CELL If set, specifies the default Grid Engine
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cell. To address a Grid Engine cell
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<I>sge</I>_<I>shadowd</I> uses (in the order of pre-
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The name of the cell specified in the
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environment variable SGE_CELL, if it is
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The name of the default cell, i.e.
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If set, specifies that debug information
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should be written to stderr. In addition the
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level of detail in which debug information is
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If set, specifies the tcp port on which
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<B><A HREF="../htmlman8/sge_qmaster.html">sge_qmaster(8)</A></B> is expected to listen for com-
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munication requests. Most installations will
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use a services map entry for the service
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"sge_qmaster" instead to define that port.
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SGE_DELAY_TIME If set, overrides the 600 seconds default
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minimum delay before before a new
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<B><A HREF="../htmlman8/sge_qmaster.html">sge_qmaster(8)</A></B> is started by <I>sge</I>_<I>shadowd</I> .
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<<I>sge</I>_<I>root</I>>/<<I>cell</I>>/<I>common</I>
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Default configuration directory
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<<I>sge</I>_<I>root</I>>/<<I>cell</I>>/<I>common</I>/<I>shadow</I>_<I>masters</I>
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Shadow master hostname file.
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<<I>sge</I>_<I>root</I>>/<<I>cell</I>>/<I>spool</I>/<I>qmaster</I>
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Default master daemon spool directory
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<<I>sge</I>_<I>root</I>>/<<I>cell</I>>/<I>spool</I>/<I>qmaster</I>/<I>heartbeat</I>
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<B><A HREF="../htmlman1/sge_intro.html">sge_intro(1)</A></B>, <B><A HREF="../htmlman5/sge_conf.html">sge_conf(5)</A></B>, <B><A HREF="../htmlman8/sge_qmaster.html">sge_qmaster(8)</A></B>, <I>Grid</I> <I>Engine</I> <I>Ins-</I>
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<I>tallation</I> <I>and</I> <I>Administration</I> <I>Guide</I>.
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See <B><A HREF="../htmlman1/sge_intro.html">sge_intro(1)</A></B> for a full statement of rights and permis-
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<a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a>