name : sas_transport_scan_lun.sh #!/bin/bash # # sas_transport_lun_scan # # Selectively enable individual LUNs behind a SAS end device # # ACTION=="add", SUBSYSTEM=="sas_transport", ATTR{sas_address}=="sas_addr", \ # PROGRAM="sas_transport_lun_scan lun" # [ -z $DEVPATH ] && exit 1 if [ -n "$1" ] ; then LUN=$1 else LUN=- fi ID=${DEVPATH##*/end_device-} 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 0 $TARGET $LUN > /sys/class/scsi_host/host$HOST/scan