[GE users] Interest of cells and sge logins

Rayson Ho raysonho at eseenet.com
Tue Mar 29 16:55:01 BST 2005

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Actually, I believe that cells are good for sharing one set of binaries
between multiple clusters. Also, each exec host can be members of multiple
clusters, but then you may oversubscribe the CPUs.


>cells are a way to share one SGE installation/master-node between two 
>(or more) (logical) clusters. So you will have two qmaster running on 
>this (head node) machine (each using separate ports for their 
>communication) - one for each cell of machines. On each node is only one 
>execd, and so it belongs to the one or the other cell. If you have two 
>departments, you can have a complete separation between them this way 
>with different setups.
>There is no -u <user> for qsub (for qalter it has a different meaning), 
>so you have to login as the requested user to have a test under real 
>CU - Reuti
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