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#!/bin/bash # # fc_transport_lun_scan # # Selectively enable individual LUNs behind an FC remote port # # ACTION=="add", SUBSYSTEM=="fc_transport", ATTR{port_name}=="wwpn", \ # PROGRAM="fc_transport_lun_scan lun" # [ -z $DEVPATH ] && exit 1 if [ -n "$1" ] ; then LUN=$1 else LUN=- fi ID=${DEVPATH##/rport-} HOST=${ID%%:} CHANNEL=${ID%%-} CHANNEL=${CHANNEL#:} if [ -f /sys$DEVPATH/scsi_target_id ] ; then TARGET=$(cat /sys$DEVPATH/scsi_target_id) fi [ -z "$TARGET" ] && exit 1 echo $CHANNEL $TARGET $LUN > /sys/class/scsi_host/host$HOST/scan