How can I exclude specific hosts in “bsub”?

Answer:

Here is the syntax for excluding specific machines in the “bsub” command:

$ bsub -q queue_name -R ‘hname!=hostX && hname!=hostY’ job_name

In the above example, hostX and hostY are the machines that will be excluded from the execution hosts. In other words, LSF will not dispatch this job to these machines irrespective of the fact that these machines are part of the host group defined at the queue level.