Am 26.04.2012 um 12:04 schrieb William Hay: > On 26 April 2012 10:18, admin iqtc <[email protected]> wrote: >> Hi all, >> >> on the OGS webpage, it says: >>> >>> Grid Engine 2011.11 is compatible with Sun Grid Engine 6.2u5. You can even >>> run Grid Engine 2011.11 on a subset of nodes while the rest of the cluster >>> runs the older 6.2u5 release - ie. as a drop-in replacement for 6.2u5. >> >> >> So, how is that achieved? I've searched on the mailing list and google but i >> can't find anything regarding that. Is the key on the init script or >> something? > > There are instructions for running grid engine with reduced or minimal > usage of NFS in order to support scaling to many nodes or just because > you don't trust NFS. It's probably easiest to do in that > configuration. Just replace the whole Grid engine install on > whichever nodes you want to upgrade.
http://arc.liv.ac.uk/SGE/howto/nfsreduce.html > If you use the default configuration which shares a lot then you might > be able to play tricks with symlinks to allow a live upgrade of the > system without a prolonged whole cluster outage. > Do a new install in parallel making the directory for each cell a > symlink to the corresponding directory in the old install. You should > hopefully then be able to upgrade each node by > softstoping the relevant daemons and then starting them with SGE_ROOT > pointed at the new install. Apart from a blip when you restart the > qmaster this should be invisible to the users. > Never tried it myself but it should work. > > William > >> >> Thanks > _______________________________________________ > users mailing list > [email protected] > https://gridengine.org/mailman/listinfo/users _______________________________________________ users mailing list [email protected] https://gridengine.org/mailman/listinfo/users
