[GE users] Best method to upgrade from 5.2.x to 5....

Rod.Rebello at Microchip.com Rod.Rebello at Microchip.com
Tue Sep 14 22:32:32 BST 2004

> Why not upgrading to 6.0?

I'm always very nervous about upgrading to any ".0" release.  I'd rather 
let the bugs shake out for awhile.  Is there anything fixed in 6.0 that 
was a serious problem in 5.3p6?  I don't need the new features I've read 

> What about creating a new directory SGE...

I'm already doing this to test the new version, and it may be the way we 
go.  However, its more complicated because we will have to manage a fixed 
set of software licenses between the two installations until all are 
running on the new one.


Rod Rebello
Microchip Technology Inc.

Reuti <reuti at staff.uni-marburg.de>
09/13/2004 11:18 AM
Please respond to users

        To:     users at gridengine.sunsource.net
        Subject:        Re: [GE users] Best method to upgrade from 5.2.x to 5....


> Are all the files in "default" path compatible?  Can I install a 5.3p6 
> version and simply copy over the default directory structure and 
> Or do I need to reinstall all queues from scratch?

why not upgrading to 6.0? But anyway, let's assume you share the CODINE 
directory via NFS. What about creating a new directory sge, install the 
version there and use a different combination of ports for the new 
installation? Then it should be possible to have two installations on one 
server. Depending on the sourced file during login you use one or the 
After adjusting the /etc/exports (to have both during the upgrade) you can 

switch one node after the other to the new version. Let the users submit 
to the 
new installation only and each time a node is free you can switch it to 
the new 
SGE - and the last node you use to run all the remaining jobs in the old 

I don't have 5.2.3 handy, but as far as I remember, the services were also 

could different (codine_commd, or was it already sge_commd?).

Cheers - Reuti

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