Diskuse:How to compute/Job management

Not sure if this is the proper place/ way of communicating, but others might be asking the same question, so this might be a suggestion for an edit:

In my 'qstat' listing I very often see the state 'M' for my jobs. PBS Reference Guide (p 429) says it means the job was 'moved to another server'. What does that mean on Metacentrum and why is it happening?