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Name	Size	Last Modified	Actions
📁 ..	-	2026-03-21 15:44
📄 fc_transport_scan_lun.sh #!/usr/bin/sh # # 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	574 B	2022-06-19 22:35
📄 module-setup.sh #!/usr/bin/bash # -- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -- # ex: ts=8 sw=4 sts=4 et filetype=sh # called by dracut cmdline() { get_lunmask() { local _dev=$1 local _devpath _sdev _lun _rport _end_device _classdev _wwpn _sas_address _devpath=$( cd -P /sys/dev/block/"$_dev" \|\| exit echo "$PWD" ) [ "${_devpath#/sd}" == "$_devpath" ] && return 1 _sdev="${_devpath%%/block/}" _lun="${_sdev##:}" # Check for FibreChannel _rport="${_devpath##/rport-}" if [ "$_rport" != "$_devpath" ]; then _rport="${_rport%%/}" _classdev="/sys/class/fc_remote_ports/rport-${_rport}" [ -d "$_classdev" ] \|\| return 1 _wwpn=$(cat "${_classdev}"/port_name) echo "rd.lunmask=fc,${_wwpn},${_lun}" return 0 fi # Check for SAS _end_device="${_devpath##/end_device-}" if [ "$_end_device" != "$_devpath" ]; then _end_device="${_end_device%%/*}" _classdev="/sys/class/sas_device/end_device-${_end_device}" [ -e "$_classdev" ] \|\| return 1 _sas_address=$(cat "${_classdev}"/sas_address) echo "rd.lunmask=sas,${_sas_address},${_lun}" return 0 fi return 1 } [[ $hostonly ]] \|\| [[ $mount_needs ]] && { for_each_host_dev_and_slaves_all get_lunmask } \| sort \| uniq } # called by dracut check() { [[ $hostonly ]] \|\| [[ $mount_needs ]] && { [ -w /sys/module/scsi_mod/parameters/scan ] \|\| return 255 scan_type=$(cat /sys/module/scsi_mod/parameters/scan) [ "$scan_type" = "manual" ] && return 0 return 255 } return 0 } # called by dracut depends() { return 0 } # called by dracut install() { inst_script "$moddir/fc_transport_scan_lun.sh" /usr/lib/udev/fc_transport_scan_lun.sh inst_script "$moddir/sas_transport_scan_lun.sh" /usr/lib/udev/sas_transport_scan_lun.sh inst_hook cmdline 30 "$moddir/parse-lunmask.sh" if [[ $hostonly_cmdline == "yes" ]]; then local _lunmask for _lunmask in $(cmdline); do printf "%s\n" "$_lunmask" >> "${initdir}/etc/cmdline.d/95lunmask.conf" done fi }	2.25 KB	2022-06-19 22:35
📄 parse-lunmask.sh #!/usr/bin/sh # -- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -- # ex: ts=8 sw=4 sts=4 et filetype=sh create_udev_rule() { local transport=$1 local tgtid=$2 local lun=$3 local _rule=/etc/udev/rules.d/51-${transport}-lunmask-${tgtid}.rules [ -e "${_rule}" ] && return 0 if [ ! -f "$_rule" ]; then if [ "$transport" = "fc" ]; then cat > "$_rule" << EOF ACTION=="add", SUBSYSTEM=="fc_remote_ports", ATTR{port_name}=="$tgtid", PROGRAM="fc_transport_scan_lun.sh $lun" EOF elif [ "$transport" = "sas" ]; then cat > "$_rule" << EOF ACTION=="add", SUBSYSTEM=="sas_device", ATTR{sas_address}=="$tgtid", PROGRAM="sas_transport_scan_lun.sh $lun" EOF fi fi } for lunmask_arg in $(getargs rd.lunmask); do ( local OLDIFS="$IFS" local IFS="," # shellcheck disable=SC2086 set $lunmask_arg IFS="$OLDIFS" if [ -d /sys/module/scsi_mod ]; then printf "manual" > /sys/module/scsi_mod/parameters/scan elif [ ! -f /etc/modprobe.d/95lunmask.conf ]; then echo "options scsi_mod scan=manual" > /etc/modprobe.d/95lunmask.conf fi create_udev_rule "$1" "$2" "$3" ) done	1.22 KB	2022-06-19 22:35
📄 sas_transport_scan_lun.sh #!/usr/bin/sh # # sas_transport_lun_scan # # Selectively enable individual LUNs behind a SAS end device # # ACTION=="add", SUBSYSTEM=="sas_transport", ATTR{sas_address}=="sas_addr", \ # PROGRAM="sas_transport_lun_scan lun" # [ -z "$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	578 B	2022-06-19 22:35

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