for spectrum scale we override the nsddevices to add nvme

nsddevices

#!/bin/ksh
CONTROLLER_REGEX='nvme[0-9]+n[0-9]+'
for dev in $( /bin/ls /dev/ | egrep $CONTROLLER_REGEX )
do
   #
   # dmm vs. generic is used by GPFS to prioritize internal order of
   # searching through available disks, then later GPFS discards other
   # disk device names that it finds that match as the same NSD device
   # by a different path.  For this reason, dmm vs. generic is an
   # important distinction if you are not explicitly producing the
   # entire and exclusive set of disks that GPFS should use, as output
   # from this script (nsddevices) _and_ exiting this script with a
   # "return 0". -Brian Finley
   #
   #echo mapper/$dev dmm
   echo $dev generic
done
CONTROLLER_REGEX2='[sdv]d'
for dev2 in $( /bin/ls /dev/ | egrep $CONTROLLER_REGEX2 )
do
   #
   # dmm vs. generic is used by GPFS to prioritize internal order of
   # searching through available disks, then later GPFS discards other
   # disk device names that it finds that match as the same NSD device
   # by a different path.  For this reason, dmm vs. generic is an
   # important distinction if you are not explicitly producing the
   # entire and exclusive set of disks that GPFS should use, as output
   # from this script (nsddevices) _and_ exiting this script with a
   # "return 0". -Brian Finley
   #
   #echo mapper/$dev dmm
   echo $dev2 generic
done


# Bypass the GPFS disk discovery (/usr/lpp/mmfs/bin/mmdevdiscover),
return 0