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-rw-r--r--source/a/sysvinit-scripts/scripts/rescan-scsi-bus.sh755
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diff --git a/source/a/sysvinit-scripts/scripts/rescan-scsi-bus.sh b/source/a/sysvinit-scripts/scripts/rescan-scsi-bus.sh
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index 0bfca50d1..000000000
--- a/source/a/sysvinit-scripts/scripts/rescan-scsi-bus.sh
+++ /dev/null
@@ -1,755 +0,0 @@
-#!/bin/bash
-# Skript to rescan SCSI bus, using the
-# scsi add-single-device mechanism
-# (c) 1998--2010 Kurt Garloff <kurt@garloff.de>, GNU GPL v2 or v3
-# (c) 2006--2008 Hannes Reinecke, GNU GPL v2 or later
-# $Id: rescan-scsi-bus.sh,v 1.56 2012/01/14 22:23:53 garloff Exp $
-
-SCAN_WILD_CARD=4294967295
-
-setcolor ()
-{
- red="\e[0;31m"
- green="\e[0;32m"
- yellow="\e[0;33m"
- bold="\e[0;1m"
- norm="\e[0;0m"
-}
-
-unsetcolor ()
-{
- red=""; green=""
- yellow=""; norm=""
-}
-
-# Output some text and return cursor to previous position
-# (only works for simple strings)
-# Stores length of string in LN and returns it
-print_and_scroll_back ()
-{
- STRG="$1"
- LN=${#STRG}
- BK=""
- declare -i cntr=0
- while test $cntr -lt $LN; do BK="$BK\e[D"; let cntr+=1; done
- echo -en "$STRG$BK"
- return $LN
-}
-
-# Overwrite a text of length $1 (fallback to $LN) with whitespace
-white_out ()
-{
- BK=""; WH=""
- if test -n "$1"; then LN=$1; fi
- declare -i cntr=0
- while test $cntr -lt $LN; do BK="$BK\e[D"; WH="$WH "; let cntr+=1; done
- echo -en "$WH$BK"
-}
-
-# Return hosts. sysfs must be mounted
-findhosts_26 ()
-{
- hosts=`find /sys/class/scsi_host/host* -maxdepth 4 -type d -o -type l 2> /dev/null | awk -F'/' '{print $5}' | sed -e 's~host~~' | sort -nu`
- scsi_host_data=`echo "$hosts" | sed -e 's~^~/sys/class/scsi_host/host~'`
- for hostdir in $scsi_host_data; do
- hostno=${hostdir#/sys/class/scsi_host/host}
- if [ -f $hostdir/isp_name ] ; then
- hostname="qla2xxx"
- elif [ -f $hostdir/lpfc_drvr_version ] ; then
- hostname="lpfc"
- else
- hostname=`cat $hostdir/proc_name`
- fi
- #hosts="$hosts $hostno"
- echo "Host adapter $hostno ($hostname) found."
- done
- if [ -z "$hosts" ] ; then
- echo "No SCSI host adapters found in sysfs"
- exit 1;
- fi
- # Not necessary just use double quotes around variable to preserve new lines
- #hosts=`echo $hosts | tr ' ' '\n'`
-}
-
-# Return hosts. /proc/scsi/HOSTADAPTER/? must exist
-findhosts ()
-{
- hosts=
- for driverdir in /proc/scsi/*; do
- driver=${driverdir#/proc/scsi/}
- if test $driver = scsi -o $driver = sg -o $driver = dummy -o $driver = device_info; then continue; fi
- for hostdir in $driverdir/*; do
- name=${hostdir#/proc/scsi/*/}
- if test $name = add_map -o $name = map -o $name = mod_parm; then continue; fi
- num=$name
- driverinfo=$driver
- if test -r $hostdir/status; then
- num=$(printf '%d\n' `sed -n 's/SCSI host number://p' $hostdir/status`)
- driverinfo="$driver:$name"
- fi
- hosts="$hosts $num"
- echo "Host adapter $num ($driverinfo) found."
- done
- done
-}
-
-printtype ()
-{
- local type=$1
-
- case "$type" in
- 0) echo "Direct-Access " ;;
- 1) echo "Sequential-Access" ;;
- 2) echo "Printer " ;;
- 3) echo "Processor " ;;
- 4) echo "WORM " ;;
- 5) echo "CD-ROM " ;;
- 6) echo "Scanner " ;;
- 7) echo "Optical Device " ;;
- 8) echo "Medium Changer " ;;
- 9) echo "Communications " ;;
- 10) echo "Unknown " ;;
- 11) echo "Unknown " ;;
- 12) echo "RAID " ;;
- 13) echo "Enclosure " ;;
- 14) echo "Direct-Access-RBC" ;;
- *) echo "Unknown " ;;
- esac
-}
-
-print02i()
-{
- if [ "$1" = "*" ] ; then
- echo "00"
- else
- printf "%02i" "$1"
- fi
-}
-
-# Get /proc/scsi/scsi info for device $host:$channel:$id:$lun
-# Optional parameter: Number of lines after first (default = 2),
-# result in SCSISTR, return code 1 means empty.
-procscsiscsi ()
-{
- if test -z "$1"; then LN=2; else LN=$1; fi
- CHANNEL=`print02i "$channel"`
- ID=`print02i "$id"`
- LUN=`print02i "$lun"`
- if [ -d /sys/class/scsi_device ]; then
- SCSIPATH="/sys/class/scsi_device/${host}:${channel}:${id}:${lun}"
- if [ -d "$SCSIPATH" ] ; then
- SCSISTR="Host: scsi${host} Channel: $CHANNEL Id: $ID Lun: $LUN"
- if [ "$LN" -gt 0 ] ; then
- IVEND=$(cat ${SCSIPATH}/device/vendor)
- IPROD=$(cat ${SCSIPATH}/device/model)
- IPREV=$(cat ${SCSIPATH}/device/rev)
- SCSIDEV=$(printf ' Vendor: %-08s Model: %-16s Rev: %-4s' "$IVEND" "$IPROD" "$IPREV")
- SCSISTR="$SCSISTR
-$SCSIDEV"
- fi
- if [ "$LN" -gt 1 ] ; then
- ILVL=$(cat ${SCSIPATH}/device/scsi_level)
- type=$(cat ${SCSIPATH}/device/type)
- ITYPE=$(printtype $type)
- SCSITMP=$(printf ' Type: %-16s ANSI SCSI revision: %02d' "$ITYPE" "$((ILVL - 1))")
- SCSISTR="$SCSISTR
-$SCSITMP"
- fi
- else
- return 1
- fi
- else
- grepstr="scsi$host Channel: $CHANNEL Id: $ID Lun: $LUN"
- SCSISTR=`cat /proc/scsi/scsi | grep -A$LN -e"$grepstr"`
- fi
- if test -z "$SCSISTR"; then return 1; else return 0; fi
-}
-
-# Find sg device with 2.6 sysfs support
-sgdevice26 ()
-{
- if test -e /sys/class/scsi_device/$host\:$channel\:$id\:$lun/device/generic; then
- SGDEV=`readlink /sys/class/scsi_device/$host\:$channel\:$id\:$lun/device/generic`
- SGDEV=`basename $SGDEV`
- else
- for SGDEV in /sys/class/scsi_generic/sg*; do
- DEV=`readlink $SGDEV/device`
- if test "${DEV##*/}" = "$host:$channel:$id:$lun"; then
- SGDEV=`basename $SGDEV`; return
- fi
- done
- SGDEV=""
- fi
-}
-
-# Find sg device with 2.4 report-devs extensions
-sgdevice24 ()
-{
- if procscsiscsi 3; then
- SGDEV=`echo "$SCSISTR" | grep 'Attached drivers:' | sed 's/^ *Attached drivers: \(sg[0-9]*\).*/\1/'`
- fi
-}
-
-# Find sg device that belongs to SCSI device $host $channel $id $lun
-# and return in SGDEV
-sgdevice ()
-{
- SGDEV=
- if test -d /sys/class/scsi_device; then
- sgdevice26
- else
- DRV=`grep 'Attached drivers:' /proc/scsi/scsi 2>/dev/null`
- repdevstat=$((1-$?))
- if [ $repdevstat = 0 ]; then
- echo "scsi report-devs 1" >/proc/scsi/scsi
- DRV=`grep 'Attached drivers:' /proc/scsi/scsi 2>/dev/null`
- if [ $? = 1 ]; then return; fi
- fi
- if ! `echo $DRV | grep 'drivers: sg' >/dev/null`; then
- modprobe sg
- fi
- sgdevice24
- if [ $repdevstat = 0 ]; then
- echo "scsi report-devs 0" >/proc/scsi/scsi
- fi
- fi
-}
-
-# Test if SCSI device is still responding to commands
-testonline ()
-{
- : testonline
- RC=0
- if test ! -x /usr/bin/sg_turs; then return 0; fi
- sgdevice
- if test -z "$SGDEV"; then return 0; fi
- sg_turs /dev/$SGDEV >/dev/null 2>&1
- RC=$?
- # Handle in progress of becoming ready and unit attention -- wait at max 11s
- declare -i ctr=0
- if test $RC = 2 -o $RC = 6; then
- RMB=`sg_inq /dev/$SGDEV | grep 'RMB=' | sed 's/^.*RMB=\(.\).*$/\1/'`
- print_and_scroll_back "$host:$channel:$id:$lun $SGDEV ($RMB) "
- fi
- while test $RC = 2 -o $RC = 6 && test $ctr -le 8; do
- if test $RC = 2 -a "$RMB" != "1"; then echo -n "."; let $LN+=1; sleep 1
- else usleep 20000; fi
- let ctr+=1
- sg_turs /dev/$SGDEV >/dev/null 2>&1
- RC=$?
- done
- if test $ctr != 0; then white_out; fi
- # echo -e "\e[A\e[A\e[A${yellow}Test existence of $SGDEV = $RC ${norm} \n\n\n"
- if test $RC = 1; then return $RC; fi
- # Reset RC (might be !=0 for passive paths)
- RC=0
- # OK, device online, compare INQUIRY string
- INQ=`sg_inq $sg_len_arg /dev/$SGDEV 2>/dev/null`
- IVEND=`echo "$INQ" | grep 'Vendor identification:' | sed 's/^[^:]*: \(.*\)$/\1/'`
- IPROD=`echo "$INQ" | grep 'Product identification:' | sed 's/^[^:]*: \(.*\)$/\1/'`
- IPREV=`echo "$INQ" | grep 'Product revision level:' | sed 's/^[^:]*: \(.*\)$/\1/'`
- STR=`printf " Vendor: %-08s Model: %-16s Rev: %-4s" "$IVEND" "$IPROD" "$IPREV"`
- IPTYPE=`echo "$INQ" | sed -n 's/.* Device_type=\([0-9]*\) .*/\1/p'`
- IPQUAL=`echo "$INQ" | sed -n 's/ *PQual=\([0-9]*\) Device.*/\1/p'`
- if [ "$IPQUAL" != 0 ] ; then
- echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}LU not available (PQual $IPQUAL)${norm} \n\n\n"
- return 2
- fi
-
- TYPE=$(printtype $IPTYPE)
- procscsiscsi
- TMPSTR=`echo "$SCSISTR" | grep 'Vendor:'`
- if [ "$TMPSTR" != "$STR" ]; then
- echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${SCSISTR#* } \nto: $STR ${norm} \n\n\n"
- return 1
- fi
- TMPSTR=`echo "$SCSISTR" | sed -n 's/.*Type: *\(.*\) *ANSI.*/\1/p'`
- if [ $TMPSTR != $TYPE ] ; then
- echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${TMPSTR} \nto: $TYPE ${norm} \n\n\n"
- return 1
- fi
- return $RC
-}
-
-# Test if SCSI device $host $channen $id $lun exists
-# Outputs description from /proc/scsi/scsi (unless arg passed)
-# Returns SCSISTR (empty if no dev)
-testexist ()
-{
- : testexist
- SCSISTR=
- if procscsiscsi && test -z "$1"; then
- echo "$SCSISTR" | head -n1
- echo "$SCSISTR" | tail -n2 | pr -o4 -l1
- fi
-}
-
-# Returns the list of existing channels per host
-chanlist ()
-{
- local hcil
- local cil
- local chan
- local tmpchan
-
- for dev in /sys/class/scsi_device/${host}:* ; do
- [ -d $dev ] || continue;
- hcil=${dev##*/}
- cil=${hcil#*:}
- chan=${cil%%:*}
- for tmpchan in $channelsearch ; do
- if test "$chan" -eq $tmpchan ; then
- chan=
- fi
- done
- if test -n "$chan" ; then
- channelsearch="$channelsearch $chan"
- fi
- done
- if test -z "$channelsearch"; then channelsearch="0"; fi
-}
-
-# Returns the list of existing targets per host
-idlist ()
-{
- local hcil
- local cil
- local il
- local target
- local tmpid
-
- for dev in /sys/class/scsi_device/${host}:${channel}:* ; do
- [ -d $dev ] || continue;
- hcil=${dev##*/}
- cil=${hcil#*:}
- il=${cil#*:}
- target=${il%%:*}
- for tmpid in $idsearch ; do
- if test "$target" -eq $tmpid ; then
- target=
- break
- fi
- done
- if test -n "$target" ; then
- idsearch="$idsearch $target"
- fi
- done
-}
-
-# Returns the list of existing LUNs from device $host $channel $id $lun
-# and returns list to stdout
-getluns()
-{
- sgdevice
- if test -z "$SGDEV"; then return 1; fi
- if test ! -x /usr/bin/sg_luns; then echo 0; return 1; fi
- LLUN=`sg_luns /dev/$SGDEV 2>/dev/null | sed -n 's/ \(.*\)/\1/p'`
- if test $? != 0; then echo 0; return 1; fi
- #echo "$LLUN" | sed -n 's/.*lun=\(.*\)/\1/p'
- for lun in $LLUN ; do
- # Swap LUN number
- l0=$(printf '%u' 0x$lun)
- l1=$(( ($l0 >> 48) & 0xffff ))
- l2=$(( ($l0 >> 32) & 0xffff ))
- l3=$(( ($l0 >> 16) & 0xffff ))
- l4=$(( $l0 & 0xffff ))
- l0=$(( ( ( ($l4 * 0xffff) + $l3 ) * 0xffff + $l2 ) * 0xffff + $l1 ))
- printf "%u\n" $l0
- done
- return 0
-}
-
-# Wait for udev to settle (create device nodes etc.)
-udevadm_settle()
-{
- if test -x /sbin/udevadm; then
- print_and_scroll_back " Calling udevadm settle (can take a while) "
- /sbin/udevadm settle
- white_out
- elif test -x /sbin/udevsettle; then
- print_and_scroll_back " Calling udevsettle (can take a while) "
- /sbin/udevsettle
- white_out
- else
- usleep 20000
- fi
-}
-
-# Perform scan on a single lun $host $channel $id $lun
-dolunscan()
-{
- SCSISTR=
- devnr="$host $channel $id $lun"
- echo -e " Scanning for device $devnr ... "
- printf "${yellow}OLD: $norm"
- testexist
- # Special case: lun 0 just got added (for reportlunscan),
- # so make sure we correctly treat it as new
- if test "$lun" = "0" -a "$1"; then
- SCSISTR=""
- printf "\r\e[A\e[A\e[A"
- fi
- : f $remove s $SCSISTR
- if test "$remove" -a "$SCSISTR"; then
- # Device exists: Test whether it's still online
- # (testonline returns 1 if it's gone or has changed)
- testonline
- RC=$?
- if test $RC != 0 -o ! -z "$forceremove"; then
- echo -en "\r\e[A\e[A\e[A${red}REM: "
- echo "$SCSISTR" | head -n1
- echo -e "${norm}\e[B\e[B"
- if test -e /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device; then
- echo 1 > /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/delete
- # FIXME: Can we skip udevadm settle for removal?
- #udevadm_settle
- usleep 20000
- else
- echo "scsi remove-single-device $devnr" > /proc/scsi/scsi
- if test $RC -eq 1 -o $lun -eq 0 ; then
- # Try readding, should fail if device is gone
- echo "scsi add-single-device $devnr" > /proc/scsi/scsi
- fi
- fi
- fi
- if test $RC = 0 -o "$forcerescan" ; then
- if test -e /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device; then
- echo 1 > /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/rescan
- udevadm_settle
- fi
- fi
- printf "\r\e[A\e[A\e[A${yellow}OLD: $norm"
- testexist
- if test -z "$SCSISTR"; then
- printf "\r${red}DEL: $norm\r\n\n"
- let rmvd+=1;
- return 1
- fi
- fi
- if test -z "$SCSISTR"; then
- # Device does not exist, try to add
- printf "\r${green}NEW: $norm"
- if test -e /sys/class/scsi_host/host${host}/scan; then
- echo "$channel $id $lun" > /sys/class/scsi_host/host${host}/scan 2> /dev/null
- udevadm_settle
- else
- echo "scsi add-single-device $devnr" > /proc/scsi/scsi
- fi
- testexist
- if test -z "$SCSISTR"; then
- # Device not present
- printf "\r\e[A";
- # Optimization: if lun==0, stop here (only if in non-remove mode)
- if test $lun = 0 -a -z "$remove" -a $optscan = 1; then
- break;
- fi
- else
- let found+=1;
- fi
- fi
-}
-
-# Perform report lun scan on $host $channel $id using REPORT_LUNS
-doreportlun()
-{
- lun=0
- SCSISTR=
- devnr="$host $channel $id $lun"
- echo -en " Scanning for device $devnr ...\r"
- lun0added=
- #printf "${yellow}OLD: $norm"
- # Phase one: If LUN0 does not exist, try to add
- testexist -q
- if test -z "$SCSISTR"; then
- # Device does not exist, try to add
- #printf "\r${green}NEW: $norm"
- if test -e /sys/class/scsi_host/host${host}/scan; then
- echo "$channel $id $lun" > /sys/class/scsi_host/host${host}/scan 2> /dev/null
- udevadm_settle
- else
- echo "scsi add-single-device $devnr" > /proc/scsi/scsi
- fi
- testexist -q
- if test -n "$SCSISTR"; then
- lun0added=1
- #testonline
- else
- # Device not present
- # return
- # Find alternative LUN to send getluns to
- for dev in /sys/class/scsi_device/${host}:${channel}:${id}:*; do
- [ -d "$dev" ] || continue
- lun=${dev##*:}
- break
- done
- fi
- fi
- targetluns=`getluns`
- REPLUNSTAT=$?
- lunremove=
- #echo "getluns reports " $targetluns
- olddev=`find /sys/class/scsi_device/ -name $host:$channel:$id:* 2>/dev/null`
- oldluns=`echo "$olddev" | awk -F'/' '{print $5}' | awk -F':' '{print $4}'`
- oldtargets="$targetluns"
- # OK -- if we don't have a LUN to send a REPORT_LUNS to, we could
- # fall back to wildcard scanning. Same thing if the device does not
- # support REPORT_LUNS
- # TODO: We might be better off to ALWAYS use wildcard scanning if
- # it works
- if test "$REPLUNSTAT" = "1"; then
- if test -e /sys/class/scsi_host/host${host}/scan; then
- echo "$channel $id -" > /sys/class/scsi_host/host${host}/scan 2> /dev/null
- udevadm_settle
- else
- echo "scsi add-single-device $host $channel $id $SCAN_WILD_CARD" > /proc/scsi/scsi
- fi
- targetluns=`find /sys/class/scsi_device/ -name $host:$channel:$id:* 2>/dev/null | awk -F'/' '{print $5}' | awk -F':' '{print $4}' | sort -n`
- let found+=`echo "$targetluns" | wc -l`
- let found-=`echo "$olddev" | wc -l`
- fi
- if test -z "$targetluns"; then targetluns="$oldtargets"; fi
- # Check existing luns
- for dev in $olddev; do
- [ -d "$dev" ] || continue
- lun=${dev##*:}
- newsearch=
- inlist=
- # OK, is existing $lun (still) in reported list
- for tmplun in $targetluns; do
- if test $tmplun -eq $lun ; then
- inlist=1
- dolunscan $lun0added
- else
- newsearch="$newsearch $tmplun"
- fi
- done
- # OK, we have now done a lunscan on $lun and
- # $newsearch is the old $targetluns without $lun
- if [ -z "$inlist" ]; then
- # Stale lun
- lunremove="$lunremove $lun"
- fi
- # $lun removed from $lunsearch (echo for whitespace cleanup)
- targetluns=`echo $newsearch`
- done
- # Add new ones and check stale ones
- for lun in $targetluns $lunremove; do
- dolunscan $lun0added
- done
-}
-
-# Perform search (scan $host)
-dosearch ()
-{
- if test -z "$channelsearch" ; then
- chanlist
- fi
- for channel in $channelsearch; do
- if test -z "$idsearch" ; then
- idlist
- fi
- for id in $idsearch; do
- if test -z "$lunsearch" ; then
- doreportlun
- else
- for lun in $lunsearch; do
- dolunscan
- done
- fi
- done
- done
-}
-
-expandlist ()
-{
- list=$1
- result=""
- first=${list%%,*}
- rest=${list#*,}
- while test ! -z "$first"; do
- beg=${first%%-*};
- if test "$beg" = "$first"; then
- result="$result $beg";
- else
- end=${first#*-}
- result="$result `seq $beg $end`"
- fi
- test "$rest" = "$first" && rest=""
- first=${rest%%,*}
- rest=${rest#*,}
- done
- echo $result
-}
-
-# main
-if test @$1 = @--help -o @$1 = @-h -o @$1 = @-?; then
- echo "Usage: rescan-scsi-bus.sh [options] [host [host ...]]"
- echo "Options:"
- echo " -l activates scanning for LUNs 0--7 [default: 0]"
- echo " -L NUM activates scanning for LUNs 0--NUM [default: 0]"
- echo " -w scan for target device IDs 0--15 [default: 0--7]"
- echo " -c enables scanning of channels 0 1 [default: 0 / all detected ones]"
- echo " -r enables removing of devices [default: disabled]"
- echo " -i issue a FibreChannel LIP reset [default: disabled]"
- echo "--remove: same as -r"
- echo "--issue-lip: same as -i"
- echo "--forcerescan: Rescan existing devices"
- echo "--forceremove: Remove and readd every device (DANGEROUS)"
- echo "--nooptscan: don't stop looking for LUNs is 0 is not found"
- echo "--color: use coloured prefixes OLD/NEW/DEL"
- echo "--hosts=LIST: Scan only host(s) in LIST"
- echo "--channels=LIST: Scan only channel(s) in LIST"
- echo "--ids=LIST: Scan only target ID(s) in LIST"
- echo "--luns=LIST: Scan only lun(s) in LIST"
- echo "--sync/nosync: Issue a sync / no sync [default: sync if remove]"
- echo "--attachpq3: Tell kernel to attach sg to LUN 0 that reports PQ=3"
- echo "--reportlun2: Tell kernel to try REPORT_LUN even on SCSI2 devices"
- echo "--largelun: Tell kernel to support LUNs > 7 even on SCSI2 devs"
- echo "--sparselun: Tell kernel to support sparse LUN numbering"
- echo " Host numbers may thus be specified either directly on cmd line (deprecated) or"
- echo " or with the --hosts=LIST parameter (recommended)."
- echo "LIST: A[-B][,C[-D]]... is a comma separated list of single values and ranges"
- echo " (No spaces allowed.)"
- exit 0
-fi
-
-if test ! -d /sys/class/scsi_host/ -a ! -d /proc/scsi/; then
- echo "Error: SCSI subsystem not active"
- exit 1
-fi
-
-# Make sure sg is there
-modprobe sg >/dev/null 2>&1
-
-if test -x /usr/bin/sg_inq; then
- sg_version=$(sg_inq -V 2>&1 | cut -d " " -f 3)
- sg_version=${sg_version##0.}
- #echo "\"$sg_version\""
- #if [ -z "$sg_version" -o "$sg_version" -lt 70 ] ; then
- #sg_len_arg="-36"
- #else
- sg_len_arg="--len=36"
- #fi
-else
- echo "WARN: /usr/bin/sg_inq not present -- please install sg3_utils"
- echo " or rescan-scsi-bus.sh might not fully work."
-fi
-
-# defaults
-unsetcolor
-lunsearch=
-opt_idsearch=`seq 0 7`
-opt_channelsearch=
-remove=
-forceremove=
-optscan=1
-sync=1
-declare -i scan_flags=0
-if test -d /sys/class/scsi_host; then
- findhosts_26
-else
- findhosts
-fi
-
-# Scan options
-opt="$1"
-while test ! -z "$opt" -a -z "${opt##-*}"; do
- opt=${opt#-}
- case "$opt" in
- l) lunsearch=`seq 0 7` ;;
- L) lunsearch=`seq 0 $2`; shift ;;
- w) opt_idsearch=`seq 0 15` ;;
- c) opt_channelsearch="0 1" ;;
- r) remove=1 ;;
- i) lipreset=1 ;;
- -remove) remove=1 ;;
- -forcerescan) remove=1; forcerescan=1 ;;
- -forceremove) remove=1; forceremove=1 ;;
- -hosts=*) arg=${opt#-hosts=}; hosts=`expandlist $arg` ;;
- -channels=*) arg=${opt#-channels=};opt_channelsearch=`expandlist $arg` ;;
- -ids=*) arg=${opt#-ids=}; opt_idsearch=`expandlist $arg` ;;
- -luns=*) arg=${opt#-luns=}; lunsearch=`expandlist $arg` ;;
- -color) setcolor ;;
- -nooptscan) optscan=0 ;;
- -issue-lip) lipreset=1 ;;
- -sync) sync=2 ;;
- -nosync) sync=0 ;;
- -attachpq3) scan_flags=$(($scan_flags|0x1000000)) ;;
- -reportlun2) scan_flags=$(($scan_flags|0x20000)) ;;
- -largelun) scan_flags=$(($scan_flags|0x200)) ;;
- -sparselun) scan_flags=$((scan_flags|0x40)) ;;
- *) echo "Unknown option -$opt !" ;;
- esac
- shift
- opt="$1"
-done
-
-# Hosts given ?
-if test "@$1" != "@"; then
- hosts=$*
-fi
-
-if [ -d /sys/class/scsi_host -a ! -w /sys/class/scsi_host ]; then
- echo "You need to run scsi-rescan-bus.sh as root"
- exit 2
-fi
-if test "$sync" = 1 -a "$remove" = 1; then sync=2; fi
-if test "$sync" = 2; then echo "Syncing file systems"; sync; fi
-if test -w /sys/module/scsi_mod/parameters/default_dev_flags -a $scan_flags != 0; then
- OLD_SCANFLAGS=`cat /sys/module/scsi_mod/parameters/default_dev_flags`
- NEW_SCANFLAGS=$(($OLD_SCANFLAGS|$scan_flags))
- if test "$OLD_SCANFLAGS" != "$NEW_SCANFLAGS"; then
- echo -n "Temporarily setting kernel scanning flags from "
- printf "0x%08x to 0x%08x\n" $OLD_SCANFLAGS $NEW_SCANFLAGS
- echo $NEW_SCANFLAGS > /sys/module/scsi_mod/parameters/default_dev_flags
- else
- unset OLD_SCANFLAGS
- fi
-fi
-echo "Scanning SCSI subsystem for new devices"
-test -z "$remove" || echo " and remove devices that have disappeared"
-declare -i found=0
-declare -i rmvd=0
-for host in $hosts; do
- echo -n "Scanning host $host "
- if test -e /sys/class/fc_host/host$host ; then
- # It's pointless to do a target scan on FC
- if test -n "$lipreset" ; then
- echo 1 > /sys/class/fc_host/host$host/issue_lip 2> /dev/null;
- udevadm_settle
- fi
- # We used to always trigger a rescan for FC to update channels and targets
- # Commented out -- as discussed with Hannes we should rely
- # on the main loop doing the scan, no need to do it here.
- #echo "- - -" > /sys/class/scsi_host/host$host/scan 2> /dev/null;
- #udevadm_settle
- channelsearch=
- idsearch=
- else
- channelsearch=$opt_channelsearch
- idsearch=$opt_idsearch
- fi
- [ -n "$channelsearch" ] && echo -n "channels $channelsearch "
- echo -n "for "
- if [ -n "$idsearch" ] ; then
- echo -n " SCSI target IDs " $idsearch
- else
- echo -n " all SCSI target IDs"
- fi
- if [ -n "$lunsearch" ] ; then
- echo ", LUNs " $lunsearch
- else
- echo ", all LUNs"
- fi
- dosearch
-done
-if test -n "$OLD_SCANFLAGS"; then
- echo $OLD_SCANFLAGS > /sys/module/scsi_mod/parameters/default_dev_flags
-fi
-echo "$found new device(s) found. "
-echo "$rmvd device(s) removed. "
-
-# Local Variables:
-# sh-basic-offset: 2
-# End:
-
generated by cgit v1.2.3 (git 2.26.2) at 2024-04-30 16:05:31 +0000