I’m testing GPFS (Spectrum Scale) with IOR. What are the optimal parameters to maximize aggregate throughput?

[AdaAibaby]

mpirun -np 20 ./ior -a POSIX -t 4m -b 64g -F -e -C -g
-O direct=1 -O lockFile=0 -O dataPacketType=random
-w -r -i 3 -o /gpfs/ior/testfile