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//usr/lib/dracut/modules.d/95lunmask/sas_transport_scan_lun.sh
#!/usr/bin/sh # # 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
