Marcus Meissner
0f203926a1
- Rename patch:
* From 0211-fix_multipath_check_hostonly.patch
to 0303-fix_multipath_check_hostonly.patch
- Rename patch:
* From 0213-10i18n-keymap-find.patch
to 0213-Fix-wrong-keymap-inclusion.patch
- 95fcoe: Do not complain about missing /etc/hba.conf (bsc#980539)
* Add 0215-95fcoe-Do-not-complain-about-missing-etc-hba.conf.patch
- 95fcoe: silence lldpad warnings
* Add 0216-95fcoe-silence-lldpad-warnings.patch
- 95fcoe: Allow to specify the FCoE mode via the fcoe= parameter
* Add 0217-95fcoe-Allow-to-specify-the-FCoE-mode-via-the-fcoe-p.patch
- 40network: allow persistent interface names (bsc#995284)
* Add 0218-40network-allow-persistent-interface-names.patch
- 95fcoe: use interface names instead of MAC addresses
* Add 0219-95fcoe-use-interface-names-instead-of-MAC-addresses.patch
- 95fcoe: always set AUTO_VLAN for fcoemon (bsc#995019)
* Add 0220-95fcoe-always-set-AUTO_VLAN-for-fcoemon.patch
- 95fcoe: Add shutdown script (bsc#994860)
* Add 0221-95fcoe-Add-shutdown-script.patch
- 90dm: Fixup shutdown script (bsc#994860)
* Add 0222-90dm-Fixup-shutdown-script.patch
- 90dm: fixup dependency cycle between MD and DM shutdown (bsc#994860)
* Add 0223-90dm-fixup-dependency-cycle-between-MD-and-DM-shutdo.patch
- 90multipath: Start daemon after udev settle (bsc#986734)
* Add 0304-90multipath-Start-daemon-after-udev-settle.patch
- 90multipath: load dm_multipath module during startup
* Add 0305-90multipath-load-dm_multipath-module-during-startup.patch
- 90multipath: add shutdown script (bsc#994860)
OBS-URL: https://build.opensuse.org/request/show/422869
OBS-URL: https://build.opensuse.org/package/show/Base:System/dracut?expand=0&rev=263
213 lines
6.5 KiB
Diff
213 lines
6.5 KiB
Diff
From 55adce6c6676c83f9130c3b6e0391bfcb5c92320 Mon Sep 17 00:00:00 2001
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From: Hannes Reinecke <hare@suse.de>
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Date: Wed, 11 Nov 2015 12:20:33 +0100
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Subject: [PATCH] 95lunmask: Add module to handle LUN masking
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Using the module option 'scsi_mod.scan=manual'
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this implements LUN masking by selectively enable only those
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devices required for booting.
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References: bsc#954600,FATE#319786
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Signed-off-by: Hannes Reinecke <hare@suse.de>
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---
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modules.d/95lunmask/fc_transport_scan_lun.sh | 26 ++++++++++
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modules.d/95lunmask/module-setup.sh | 70 +++++++++++++++++++++++++++
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modules.d/95lunmask/parse-lunmask.sh | 40 +++++++++++++++
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modules.d/95lunmask/sas_transport_scan_lun.sh | 26 ++++++++++
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4 files changed, 162 insertions(+)
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create mode 100755 modules.d/95lunmask/fc_transport_scan_lun.sh
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create mode 100755 modules.d/95lunmask/module-setup.sh
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create mode 100755 modules.d/95lunmask/parse-lunmask.sh
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create mode 100755 modules.d/95lunmask/sas_transport_scan_lun.sh
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diff --git a/modules.d/95lunmask/fc_transport_scan_lun.sh b/modules.d/95lunmask/fc_transport_scan_lun.sh
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new file mode 100755
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index 0000000..d9f84a3
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--- /dev/null
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+++ b/modules.d/95lunmask/fc_transport_scan_lun.sh
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@@ -0,0 +1,26 @@
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+#!/bin/bash
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+#
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+# fc_transport_lun_scan
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+#
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+# Selectively enable individual LUNs behind an FC remote port
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+#
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+# ACTION=="add", SUBSYSTEM=="fc_transport", ATTR{port_name}=="wwpn", \
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+# PROGRAM="fc_transport_lun_scan lun"
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+#
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+
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+[ -z $DEVPATH ] && exit 1
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+
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+if [ -n "$1" ] ; then
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+ LUN=$1
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+else
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+ LUN=-
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+fi
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+ID=${DEVPATH##*/rport-}
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+HOST=${ID%%:*}
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+CHANNEL=${ID%%-*}
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+CHANNEL=${CHANNEL#*:}
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+if [ -f /sys$DEVPATH/scsi_target_id ] ; then
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+ TARGET=$(cat /sys$DEVPATH/scsi_target_id)
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+fi
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+[ -z "$TARGET" ] && exit 1
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+echo $CHANNEL $TARGET $LUN > /sys/class/scsi_host/host$HOST/scan
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diff --git a/modules.d/95lunmask/module-setup.sh b/modules.d/95lunmask/module-setup.sh
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new file mode 100755
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index 0000000..6afaed2
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--- /dev/null
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+++ b/modules.d/95lunmask/module-setup.sh
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@@ -0,0 +1,70 @@
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+#!/bin/bash
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+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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+# ex: ts=8 sw=4 sts=4 et filetype=sh
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+
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+# called by dracut
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+cmdline() {
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+ get_lunmask() {
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+ local _dev=$1
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+ local _devpath=$(cd -P /sys/dev/block/$_dev ; echo $PWD)
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+ local _sdev _lun _rport _end_device _classdev _wwpn _sas_address
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+
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+ [ "${_devpath#*/sd}" == "$_devpath" ] && return 1
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+ _sdev="${_devpath%%/block/*}"
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+ _lun="${_sdev##*:}"
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+ # Check for FibreChannel
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+ _rport="${_devpath##*/rport-}"
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+ if [ "$_rport" != "$_devpath" ] ; then
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+ _rport="${_rport%%/*}"
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+ _classdev="/sys/class/fc_remote_ports/rport-${_rport}"
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+ [ -d "$_classdev" ] || return 1
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+ _wwpn=$(cat ${_classdev}/port_name)
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+ echo "rd.lunmask=fc,${_wwpn},${_lun}"
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+ return 0
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+ fi
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+ # Check for SAS
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+ _end_device="${_devpath##*/end_device-}"
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+ if [ "$_end_device" != "$_devpath" ] ; then
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+ _end_device="${_end_device%%/*}"
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+ _classdev="/sys/class/sas_device/end_device-${_end_device}"
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+ [ -e "$_classdev" ] || return 1
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+ _sas_address=$(cat ${_classdev}/sas_address)
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+ echo "rd.lunmask=sas,${_sas_address},${_lun}"
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+ return 0
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+ fi
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+ return 1
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+ }
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+ [[ $hostonly ]] || [[ $mount_needs ]] && {
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+ for_each_host_dev_and_slaves_all get_lunmask
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+ } | sort | uniq
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+}
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+
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+# called by dracut
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+check() {
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+ [[ $hostonly ]] || [[ $mount_needs ]] && {
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+ [ -w /sys/module/scsi_mod/parameters/scan ] || return 255
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+ scan_type=$(cat /sys/module/scsi_mod/parameters/scan)
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+ [ "$scan_type" = "manual" ] && return 0
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+ return 255
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+ }
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+ return 0
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+}
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+
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+# called by dracut
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+depends() {
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+ return 0
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+}
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+
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+# called by dracut
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+install() {
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+ inst_script "$moddir/fc_transport_scan_lun.sh" /usr/lib/udev/fc_transport_scan_lun.sh
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+ inst_script "$moddir/sas_transport_scan_lun.sh" /usr/lib/udev/sas_transport_scan_lun.sh
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+ inst_hook cmdline 30 "$moddir/parse-lunmask.sh"
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+ if [[ $hostonly_cmdline == "yes" ]] ; then
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+ local _lunmask
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+
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+ for _lunmask in $(cmdline) ; do
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+ printf "%s\n" "$_lunmask" >> "${initdir}/etc/cmdline.d/95lunmask.conf"
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+ done
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+ fi
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+}
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diff --git a/modules.d/95lunmask/parse-lunmask.sh b/modules.d/95lunmask/parse-lunmask.sh
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new file mode 100755
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index 0000000..6646876
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--- /dev/null
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+++ b/modules.d/95lunmask/parse-lunmask.sh
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@@ -0,0 +1,40 @@
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+#!/bin/sh
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+# -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
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+# ex: ts=8 sw=4 sts=4 et filetype=sh
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+
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+create_udev_rule() {
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+ local transport=$1
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+ local tgtid=$2
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+ local lun=$3
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+ local _rule=/etc/udev/rules.d/51-${transport}-lunmask-${tgtid}.rules
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+ local _cu_type _dev_type
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+
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+ [ -e ${_rule} ] && return 0
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+
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+ if [ ! -f "$_rule" ] ; then
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+ if [ "$transport" = "fc" ] ; then
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+ cat > $_rule <<EOF
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+ACTION=="add", SUBSYSTEM=="fc_remote_ports", ATTR{port_name}=="$tgtid", PROGRAM="fc_transport_scan_lun.sh $lun"
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+EOF
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+ elif [ "$transport" = "sas" ] ; then
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+ cat > $_rule <<EOF
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+ACTION=="add", SUBSYSTEM=="sas_device", ATTR{sas_address}=="$tgtid", PROGRAM="sas_transport_scan_lun.sh $lun"
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+EOF
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+ fi
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+ fi
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+}
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+
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+for lunmask_arg in $(getargs rd.lunmask); do
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+ (
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+ local OLDIFS="$IFS"
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+ local IFS=","
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+ set $lunmask_arg
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+ IFS="$OLDIFS"
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+ if [ -d /sys/module/scsi_mod ] ; then
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+ echo -n "manual" > /sys/module/scsi_mod/parameters/scan
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+ elif [ ! -f /etc/modprobe.d/95lunmask.conf ] ; then
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+ echo "options scsi_mod scan=manual" > /etc/modprobe.d/95lunmask.conf
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+ fi
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+ create_udev_rule $1 $2 $3
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+ )
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+done
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diff --git a/modules.d/95lunmask/sas_transport_scan_lun.sh b/modules.d/95lunmask/sas_transport_scan_lun.sh
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new file mode 100755
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index 0000000..f7702f8
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--- /dev/null
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+++ b/modules.d/95lunmask/sas_transport_scan_lun.sh
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@@ -0,0 +1,26 @@
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+#!/bin/bash
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+#
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+# sas_transport_lun_scan
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+#
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+# Selectively enable individual LUNs behind a SAS end device
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+#
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+# ACTION=="add", SUBSYSTEM=="sas_transport", ATTR{sas_address}=="sas_addr", \
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+# PROGRAM="sas_transport_lun_scan lun"
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+#
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+
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+[ -z $DEVPATH ] && exit 1
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+
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+if [ -n "$1" ] ; then
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+ LUN=$1
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+else
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+ LUN=-
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+fi
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+ID=${DEVPATH##*/end_device-}
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+HOST=${ID%%:*}
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+CHANNEL=${ID%%-*}
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+CHANNEL=${CHANNEL#*:}
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+if [ -f /sys$DEVPATH/scsi_target_id ] ; then
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+ TARGET=$(cat /sys$DEVPATH/scsi_target_id)
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+fi
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+[ -z "$TARGET" ] && exit 1
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+echo 0 $TARGET $LUN > /sys/class/scsi_host/host$HOST/scan
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--
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2.6.6
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