Quote:
Originally Posted by jjjscuedu
Dear all,
I am trying to run Ray on a test data.
However, when I try to run it according to the mannual, there is an error like this:
[jingjing@tll-bioinfo02 Ray-v2.2.0]$ mpiexec -n 1 ray-build/Ray -o test -p PE1.fa PE2.fa -k 31
ssh: Could not resolve hostname tll-bioinfo02: Name or service not known
It seems the mpi mode is something wrong.
Can anyone give me some suggestions?
Thanks!
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The problem is related to your MPI installation. It seems that mpiexec wants to use ssh to connect to tll-bioinfo02.
Maybe tll-bioinfo02 is listed in a hostfile and that your MPI installation is using that.
Try:
mpiexec -n 1 -host localhost ray-build/Ray -o test -p PE1.fasta PE2.fasta -k 31