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I am trying to run MrBayes under MPI on an SGI IRIX machine. What does the error message “array services not available” mean?

April 26, 2017Error IRIX Machine message MPI mrbayes run SGI

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I am trying to run MrBayes under MPI on an SGI IRIX machine. What does the error message “array services not available” mean?

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Most frequently, it means that the machine does not have the arrayd daemon running; enter the command (as root) “chkconfig array on” followed by a reboot, then retry running MrBayes with mpirun.