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Upgrading SGE installations
===========================
It is possible to do a live upgrade an installation of a previous SGE 8
release or a 6.2u5-compatible one, without stopping jobs on the
cluster, but at least ensure you have a configuration backup in case
of problems <http://arc.liv.ac.uk/SGE/howto/backup.html>. For
upgrading from an older version, see
<http://arc.liv.ac.uk/SGE/howto/install62patch.txt>. From Oracle OGE
6.2u6 or 6.2u7, or Univa UGE 8.1+, a re-installation will be required.
* Stop the execds (qconf -ke).
* Install the new binaries. With an RPM- or dpkg-packaged version,
install all the packages with rpm/yum or dpkg/apt-get, as
appropriate, satisfying any necessary dependencies. To upgrade the
grid engine version in Rocks the notes at
<https://wiki.rocksclusters.org/wiki/index.php/FAQ#Administration>
may help.
Otherwise, you want to avoid just copying the new binaries over the
old ones. If you have built from source, source/scripts/distinst
can use install(1), and does automatically on GNU/Linux, so
something like this can be used (in the build directory, and
assuming a shared installation):
scripts/distinst -local -allall
* Re-start the qmaster, e.g.
/etc/init.d/sgeqmaster restart
* Re-start the execds, e.g.
pdsh ... /etc/init.d/sgeexecd start
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