From 894a7dcff6c811140eef27e7270b87646143328f Mon Sep 17 00:00:00 2001 From: Patrick J Volkerding Date: Sun, 23 Jan 2022 01:17:39 +0000 Subject: Sun Jan 23 01:17:39 UTC 2022 ap/ddrescue-1.26-x86_64-1.txz: Upgraded. d/parallel-20220122-noarch-1.txz: Upgraded. l/libimobiledevice-20211124_2c6121d-x86_64-2.txz: Rebuilt. Don't include compatibility pkgconfig symlink. It's unlikely that anything requires it. l/libimobiledevice-glue-20211125_3cb687b-x86_64-2.txz: Rebuilt. Removed broken pkgconfig symlink. Thanks to marav. isolinux/initrd.img: Rebuilt. usb-and-pxe-installers/usbboot.img: Rebuilt. --- .../installer/sources/initrd/sbin/rescan-scsi-bus | 1248 +++++--------------- 1 file changed, 306 insertions(+), 942 deletions(-) (limited to 'source/installer/sources') diff --git a/source/installer/sources/initrd/sbin/rescan-scsi-bus b/source/installer/sources/initrd/sbin/rescan-scsi-bus index 077cadba1..4be8f01e1 100755 --- a/source/installer/sources/initrd/sbin/rescan-scsi-bus +++ b/source/installer/sources/initrd/sbin/rescan-scsi-bus @@ -1,10 +1,10 @@ #!/bin/bash -# Script to rescan SCSI bus, using the scsi add-single-device mechanism. +# Skript to rescan SCSI bus, using the +# scsi add-single-device mechanism # (c) 1998--2010 Kurt Garloff , GNU GPL v2 or v3 -# (c) 2006--2018 Hannes Reinecke, GNU GPL v2 or later -# $Id: rescan-scsi-bus.sh,v 1.57 2012/03/31 14:08:48 garloff Exp $ +# (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 $ -VERSION="20180615" SCAN_WILD_CARD=4294967295 setcolor () @@ -16,19 +16,12 @@ setcolor () norm="\e[0;0m" } -unsetcolor () +unsetcolor () { red=""; green="" yellow=""; norm="" } -echo_debug() -{ - if [ "$debug" -eq 1 ] ; then - echo "$1" - fi -} - # Output some text and return cursor to previous position # (only works for simple strings) # Stores length of string in LN and returns it @@ -38,43 +31,44 @@ print_and_scroll_back () LN=${#STRG} BK="" declare -i cntr=0 - while [ $cntr -lt "$LN" ] ; do BK="$BK\e[D"; let cntr+=1; done + while test $cntr -lt $LN; do BK="$BK\e[D"; let cntr+=1; done echo -en "$STRG$BK" - return "$LN" + return $LN } -# Overwrite a text of length $LN with whitespace +# 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 [ $cntr -lt "$LN" ] ; do BK="$BK\e[D"; WH="$WH "; let cntr+=1; done + while test $cntr -lt $LN; do BK="$BK\e[D"; WH="$WH "; let cntr+=1; done echo -en "$WH$BK" } # Return hosts. sysfs must be mounted findhosts_26 () { - hosts= - for hostdir in /sys/class/scsi_host/host* ; do - [ -e "$hostdir" ] || continue + 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 + if [ -f $hostdir/isp_name ] ; then hostname="qla2xxx" - elif [ -f "$hostdir/lpfc_drvr_version" ] ; then + elif [ -f $hostdir/lpfc_drvr_version ] ; then hostname="lpfc" else - hostname=$(cat "$hostdir/proc_name") + hostname=`cat $hostdir/proc_name` fi - hosts="$hosts $hostno" - echo_debug "Host adapter $hostno ($hostname) found." - done + #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') + #hosts=`echo $hosts | tr ' ' '\n'` } # Return hosts. /proc/scsi/HOSTADAPTER/? must exist @@ -83,15 +77,15 @@ findhosts () hosts= for driverdir in /proc/scsi/*; do driver=${driverdir#/proc/scsi/} - if [ "$driver" = scsi ] || [ "$driver" = sg ] || [ "$driver" = dummy ] || [ "$driver" = device_info ] ; then continue; fi + 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 [ "$name" = add_map ] || [ "$name" = map ] || [ "$name" = mod_parm ] ; then continue; fi + if test $name = add_map -o $name = map -o $name = mod_parm; then continue; fi num=$name driverinfo=$driver - if [ -r "$hostdir/status" ] ; then - num=$(printf '%d\n' "$(sed -n 's/SCSI host number://p' "$hostdir/status")") - driverinfo="$driver:$name" + 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." @@ -104,28 +98,28 @@ printtype () local type=$1 case "$type" in - 0) echo "Direct-Access" ;; + 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" ;; + 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" ;; + *) echo "Unknown " ;; esac } print02i() { - if [ "$1" = "*" ] ; then + if [ "$1" = "*" ] ; then echo "00" else printf "%02i" "$1" @@ -133,36 +127,32 @@ print02i() } # Get /proc/scsi/scsi info for device $host:$channel:$id:$lun -# Optional parameter: Number of lines after first (default = 2), +# Optional parameter: Number of lines after first (default = 2), # result in SCSISTR, return code 1 means empty. procscsiscsi () -{ - if [ -z "$1" ] ; then - LN=2 - else - LN=$1 - fi - CHANNEL=$(print02i "$channel") - ID=$(print02i "$id") - LUN=$(print02i "$lun") +{ + 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="$SCSISTR + IVEND=$(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=$(printf ' Type: %-17s ANSI SCSI revision: %02d' "$ITYPE" "$((ILVL - 1))") - SCSISTR="$SCSISTR + 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 @@ -170,39 +160,33 @@ $SCSITMP" fi else grepstr="scsi$host Channel: $CHANNEL Id: $ID Lun: $LUN" - SCSISTR=$(grep -A "$LN" -e "$grepstr" /proc/scsi/scsi) - fi - if [ -z "$SCSISTR" ] ; then - return 1 - else - return 0 + SCSISTR=`cat /proc/scsi/scsi | grep -A$LN -e"$grepstr"` fi + if test -z "$SCSISTR"; then return 1; else return 0; fi } # Find sg device with 2.6 sysfs support sgdevice26 () { - local gendev - - gendev=/sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/generic - if [ -e "$gendev" ] ; then - SGDEV=$(basename "$(readlink "$gendev")") + 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 "$SGDEV/device") - if [ "${DEV##*/}" = "$host:$channel:$id:$lun" ] ; then - SGDEV=$(basename "$SGDEV"); return + DEV=`readlink $SGDEV/device` + if test "${DEV##*/}" = "$host:$channel:$id:$lun"; then + SGDEV=`basename $SGDEV`; return fi done SGDEV="" - fi + fi } # Find sg device with 2.4 report-devs extensions sgdevice24 () { if procscsiscsi 3; then - SGDEV=$(echo "$SCSISTR" | grep 'Attached drivers:' | sed 's/^ *Attached drivers: \(sg[0-9]*\).*/\1/') + SGDEV=`echo "$SCSISTR" | grep 'Attached drivers:' | sed 's/^ *Attached drivers: \(sg[0-9]*\).*/\1/'` fi } @@ -211,17 +195,17 @@ sgdevice24 () sgdevice () { SGDEV= - if [ -d /sys/class/scsi_device ] ; then + if test -d /sys/class/scsi_device; then sgdevice26 - else - DRV=$(grep 'Attached drivers:' /proc/scsi/scsi 2>/dev/null) + else + DRV=`grep 'Attached drivers:' /proc/scsi/scsi 2>/dev/null` repdevstat=$((1-$?)) if [ $repdevstat = 0 ]; then echo "scsi report-devs 1" >/proc/scsi/scsi - DRV=$(grep 'Attached drivers:' /proc/scsi/scsi 2>/dev/null) - [ $? -eq 1 ] && return + DRV=`grep 'Attached drivers:' /proc/scsi/scsi 2>/dev/null` + if [ $? = 1 ]; then return; fi fi - if ! echo "$DRV" | grep -q 'drivers: sg'; then + if ! `echo $DRV | grep 'drivers: sg' >/dev/null`; then modprobe sg fi sgdevice24 @@ -231,129 +215,70 @@ sgdevice () fi } -# Whether or not the RMB (removable) bit has been set in the INQUIRY response. -# Uses ${host}, ${channel}, ${id} and ${lun}. Assumes that sg_device() has -# already been called. How to test this function: copy/paste this function -# in a shell and run -# (cd /sys/class/scsi_device && for d in *; do set ${d//:/ }; echo -n "$d $( "; SGDEV=bsg/$d host=$1 channel=$2 id=$3 lun=$4 is_removable; done) -is_removable () -{ - local b p - - p=/sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/inquiry - # Extract the second byte of the INQUIRY response and check bit 7 (mask 0x80). - b=$(hexdump -n1 -e '/1 "%02X"' "$p" 2>/dev/null) - if [ -n "$b" ]; then - echo $(((0x$b & 0x80) != 0)) - else - sg_inq /dev/$SGDEV 2>/dev/null | sed -n 's/^.*RMB=\([0-9]*\).*$/\1/p' - fi -} - # Test if SCSI device is still responding to commands -# Return values: -# 0 device is present -# 1 device has changed -# 2 device has been removed testonline () { - local ctr RC RMB - : testonline - ctr=0 RC=0 - # Set default values - IPTYPE=31 - IPQUAL=3 - [ ! -x /usr/bin/sg_turs ] && return 0 + if test ! -x /usr/bin/sg_turs; then return 0; fi sgdevice - [ -z "$SGDEV" ] && return 0 + 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 - while [ $RC = 2 -o $RC = 6 ] && [ $ctr -le 30 ] ; do - if [ $RC = 2 ] && [ "$RMB" != "1" ] ; then - echo -n "." - let LN+=1 - sleep 1 - else - sleep 0.02 - fi + # 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=$? - # Check for removable device; TEST UNIT READY obviously will - # fail for a removable device with no medium - RMB=$(is_removable) - print_and_scroll_back "$host:$channel:$id:$lun $SGDEV ($RMB) " - [ $RC = 2 ] && [ "$RMB" = "1" ] && break done - if [ $ctr != 0 ] ; then - white_out - fi + 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" - [ $RC = 1 ] && return $RC + 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) - if [ -z "$INQ" ] ; then - echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}INQUIRY failed${norm} \n\n\n" - return 2 - fi - 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') + 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 [ "$IPQUAL" != 0 ] ; then - [ -z "$IPQUAL" ] && IPQUAL=3 - [ -z "$IPTYPE" ] && IPTYPE=31 echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}LU not available (PQual $IPQUAL)${norm} \n\n\n" return 2 fi TYPE=$(printtype $IPTYPE) - if ! procscsiscsi ; then - echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV removed.\n\n\n" - return 2 - fi - TMPSTR=$(echo "$SCSISTR" | grep 'Vendor:') - if [ "$ignore_rev" -eq 0 ] ; then - if [ "$TMPSTR" != "$STR" ]; then - echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${SCSISTR#* } \nto: $STR ${norm} \n\n\n" - return 1 - fi - else - # Ignore disk revision change - local old_str_no_rev= - local new_str_no_rev= - - old_str_no_rev=${TMPSTR%Rev:*} - new_str_no_rev=${STR%Rev:*} - if [ "$old_str_no_rev" != "$new_str_no_rev" ]; then - echo -e "\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${SCSISTR#* } \nto: $STR ${norm} \n\n\n" - return 1 - fi + procscsiscsi + TMPSTR=`echo "$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' | sed 's/ *$//g') - if [ "$TMPSTR" != "$TYPE" ] ; then + TMPSTR=`echo "$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 $channel $id $lun exists +# 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 && [ -z "$1" ] ; then + if procscsiscsi && test -z "$1"; then echo "$SCSISTR" | head -n1 echo "$SCSISTR" | tail -n2 | pr -o4 -l1 fi @@ -368,55 +293,47 @@ chanlist () local tmpchan for dev in /sys/class/scsi_device/${host}:* ; do - [ -d "$dev" ] || continue; + [ -d $dev ] || continue; hcil=${dev##*/} cil=${hcil#*:} chan=${cil%%:*} for tmpchan in $channelsearch ; do - if [ "$chan" -eq "$tmpchan" ] ; then - chan= + if test "$chan" -eq $tmpchan ; then + chan= fi done - if [ -n "$chan" ] ; then + if test -n "$chan" ; then channelsearch="$channelsearch $chan" fi done - if [ -z "$channelsearch" ] ; then - channelsearch="0" - fi + if test -z "$channelsearch"; then channelsearch="0"; fi } # Returns the list of existing targets per host idlist () { + local hcil + local cil + local il + local target local tmpid - local newid - local oldid - oldlist=$(find /sys/class/scsi_device -name "${host}:${channel}:*" -printf "%f\n") - # Rescan LUN 0 to check if we found new targets - echo "${channel} - -" > "/sys/class/scsi_host/host${host}/scan" - newlist=$(find /sys/class/scsi_device -name "${host}:${channel}:*" -printf "%f\n") - for newid in $newlist ; do - oldid=$newid - for tmpid in $oldlist ; do - if [ "$newid" = "$tmpid" ] ; then - oldid= - break + for dev in /sys/class/scsi_device/${host}:${channel}:* ; do + [ -d $dev ] || continue; + hcil=${dev##*/} + cil=${hcil#*:} + il=${cil#*:} + target=${il%%:*} + for tmpid in $idsearch ; do + if test "$target" -eq $tmpid ; then + target= + break fi done - if [ -n "$oldid" ] ; then - if [ -d /sys/class/scsi_device/$oldid ] ; then - hcil=${oldid} - printf "\r${green}NEW: %s" "$norm" - testexist - if [ "$SCSISTR" ] ; then - incrfound "$hcil" - fi - fi + if test -n "$target" ; then + idsearch="$idsearch $target" fi done - idsearch=$(find /sys/bus/scsi/devices -name "target${host}:${channel}:*" -printf "%f\n" | cut -f 3 -d :) } # Returns the list of existing LUNs from device $host $channel $id $lun @@ -424,25 +341,19 @@ idlist () getluns() { sgdevice - [ -z "$SGDEV" ] && return 1 - if [ ! -x /usr/bin/sg_luns ] ; then - echo 0 - return 1 - fi - LLUN=$(sg_luns /dev/$SGDEV 2>/dev/null | sed -n 's/ \(.*\)/\1/p') - # Added -z $LLUN condition because $? gets the RC from sed, not sg_luns - if [ $? -ne 0 ] || [ -z "$LLUN" ] ; then - echo 0 - return 1 - fi + 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 $LLUN ; do # Swap LUN number - l0=0x$lun - l1=$(( (l0 >> 48) & 0xffff )) - l2=$(( (l0 >> 32) & 0xffff )) - l3=$(( (l0 >> 16) & 0xffff )) - l4=$(( l0 & 0xffff )) - l0=$(( ( ( (l4 * 0xffff) + l3 ) * 0xffff + l2 ) * 0xffff + l1 )) + l0=$(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 @@ -451,134 +362,92 @@ getluns() # Wait for udev to settle (create device nodes etc.) udevadm_settle() { - local tmo=60 - if [ -x /sbin/udevadm ] ; then + if test -x /sbin/udevadm; then print_and_scroll_back " Calling udevadm settle (can take a while) " - # Loop for up to 60 seconds if sd devices still are settling.. - # This allows us to continue if udev events are stuck on multipaths in recovery mode - while [ $tmo -gt 0 ] ; do - if ! /sbin/udevadm settle --timeout=1 | egrep -q sd[a-z]+ ; then - break; - fi - let tmo=$tmo-1 - done + /sbin/udevadm settle white_out - elif [ -x /sbin/udevsettle ] ; then + elif test -x /sbin/udevsettle; then print_and_scroll_back " Calling udevsettle (can take a while) " /sbin/udevsettle white_out else - sleep 0.02 + usleep 20000 fi } # Perform scan on a single lun $host $channel $id $lun dolunscan() { - local remappedlun0= - local devpath SCSISTR= devnr="$host $channel $id $lun" echo -e " Scanning for device $devnr ... " - printf "${yellow}OLD: %s" "$norm" + printf "${yellow}OLD: $norm" testexist - # Device exists: Test whether it's still online - # (testonline returns 2 if it's gone and 1 if it has changed) - devpath="/sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device" - if [ "$SCSISTR" ] ; then - testonline - RC=$? - # Well known lun transition case. Only for Direct-Access devs (type 0) - # If block directory exists && and PQUAL != 0, we unmapped lun0 and just have a well-known lun - # If block directory doesn't exist && PQUAL == 0, we mapped a real lun0 - if [ "$lun" -eq 0 ] && [ $IPTYPE -eq 0 ] ; then - if [ $RC = 2 ] ; then - if [ -e "$devpath" ] ; then - if [ -d "$devpath/block" ] ; then - remappedlun0=2 # Transition from real lun 0 to well-known - else - RC=0 # Set this so the system leaves the existing well known lun alone. This is a lun 0 with no block directory - fi - fi - elif [ $RC = 0 ] && [ $IPTYPE -eq 0 ] ; then - if [ -e "$devpath" ] ; then - if [ ! -d "$devpath/block" ] ; then - remappedlun0=1 # Transition from well-known to real lun 0 - fi - fi - fi - fi - fi - # Special case: lun 0 just got added (for reportlunscan), # so make sure we correctly treat it as new - if [ "$lun" = "0" ] && [ "$1" = "1" ] && [ -z "$remappedlun0" ] ; then + if test "$lun" = "0" -a "$1"; then SCSISTR="" printf "\r\e[A\e[A\e[A" fi - - : f "$remove" s $SCSISTR - if [ "$remove" ] && [ "$SCSISTR" -o "$remappedlun0" = "1" ] ; then - if [ $RC != 0 ] || [ ! -z "$forceremove" ] || [ -n "$remappedlun0" ] ; then - if [ "$remappedlun0" != "1" ] ; then - echo -en "\r\e[A\e[A\e[A${red}REM: " - echo "$SCSISTR" | head -n1 - echo -e "${norm}\e[B\e[B" - fi - if [ -e "$devpath" ] ; then - # have to preemptively do this so we can figure out the mpath device - # Don't do this if we're deleting a well known lun to replace it - if [ "$remappedlun0" != "1" ] ; then - incrrmvd "$host:$channel:$id:$lun" - fi - echo 1 > "$devpath/delete" - sleep 0.02 + : 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 [ $RC -eq 1 ] || [ "$lun" -eq 0 ] ; then + 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 fi - if [ $RC = 0 ] || [ "$forcerescan" ] ; then - if [ -e "$devpath" ] ; then - echo 1 > "$devpath/rescan" + 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${yellow}OLD: %s" "$norm" + printf "\r\e[A\e[A\e[A${yellow}OLD: $norm" testexist - if [ -z "$SCSISTR" ] && [ $RC != 1 ] && [ "$remappedlun0" != "1" ] ; then - printf "\r${red}DEL: %s\r\n\n" "$norm" - # In the event we're replacing with a well known node, we need to let it continue, to create the replacement node - [ "$remappedlun0" != "2" ] && return 2 + if test -z "$SCSISTR"; then + printf "\r${red}DEL: $norm\r\n\n" + let rmvd+=1; + return 1 fi fi - if [ -z "$SCSISTR" ] || [ -n "$remappedlun0" ] ; then - if [ "$remappedlun0" != "2" ] ; then - # Device does not exist, try to add - printf "\r${green}NEW: %s" "$norm" - fi - if [ -e "/sys/class/scsi_host/host${host}/scan" ] ; then - echo "$channel $id $lun" > "/sys/class/scsi_host/host${host}/scan" 2> /dev/null + 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 $devnr" > /proc/scsi/scsi fi testexist - if [ -z "$SCSISTR" ] ; then + if test -z "$SCSISTR"; then # Device not present printf "\r\e[A"; - # Optimization: if lun==0, stop here (only if in non-remove mode) - if [ "$lun" = 0 ] && [ -z "$remove" ] && [ "$optscan" = 1 ] ; then - return 1; - fi - else - if [ "$remappedlun0" != "2" ] ; then - incrfound "$host:$channel:$id:$lun" - fi + ## COMMENTED OUT as the "break" below is broken. + ## 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 - return 0; } # Perform report lun scan on $host $channel $id using REPORT_LUNS @@ -589,20 +458,20 @@ doreportlun() devnr="$host $channel $id $lun" echo -en " Scanning for device $devnr ...\r" lun0added= - #printf "${yellow}OLD: %s" "$norm" + #printf "${yellow}OLD: $norm" # Phase one: If LUN0 does not exist, try to add testexist -q - if [ -z "$SCSISTR" ] ; then + if test -z "$SCSISTR"; then # Device does not exist, try to add - #printf "\r${green}NEW: %s" "$norm" - if [ -e "/sys/class/scsi_host/host${host}/scan" ] ; then - echo "$channel $id $lun" > "/sys/class/scsi_host/host${host}/scan" 2> /dev/null + #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 $devnr" > /proc/scsi/scsi fi testexist -q - if [ -n "$SCSISTR" ] ; then + if test -n "$SCSISTR"; then lun0added=1 #testonline else @@ -611,34 +480,35 @@ doreportlun() # Find alternative LUN to send getluns to for dev in /sys/class/scsi_device/${host}:${channel}:${id}:*; do [ -d "$dev" ] || continue - lun=${dev##*:} + lun=${dev##*:} break done fi fi - targetluns=$(getluns) + targetluns=`getluns` REPLUNSTAT=$? lunremove= #echo "getluns reports " $targetluns - olddev=$(find /sys/class/scsi_device/ -name "$host:$channel:$id:*" 2>/dev/null | sort -t: -k4 -n) + 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 + # TODO: We might be better off to ALWAYS use wildcard scanning if # it works - if [ "$REPLUNSTAT" = "1" ] ; then - if [ -e "/sys/class/scsi_host/host${host}/scan" ] ; then - echo "$channel $id -" > "/sys/class/scsi_host/host${host}/scan" 2> /dev/null + 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:$id:*" -printf "%f\n" | cut -d : -f 4) - let found+=$(echo "$targetluns" | wc -l) - let found-=$(echo "$olddev" | wc -l) + 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 "$olddev" | wc -l` fi - [ -z "$targetluns" ] && targetluns="$oldtargets" + if test -z "$targetluns"; then targetluns="$oldtargets"; fi # Check existing luns for dev in $olddev; do [ -d "$dev" ] || continue @@ -647,687 +517,216 @@ doreportlun() inlist= # OK, is existing $lun (still) in reported list for tmplun in $targetluns; do - if [ "$tmplun" = "$lun" ] ; then - inlist=1 - dolunscan $lun0added - [ $? -eq 1 ] && break + if test $tmplun -eq $lun ; then + inlist=1 + dolunscan $lun0added else - newsearch="$newsearch $tmplun" + newsearch="$newsearch $tmplun" fi done - # OK, we have now done a lunscan on $lun and + # 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 $lunsearch - targetluns=${newsearch# } + # $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 - [ $? -eq 1 ] && break done } # Perform search (scan $host) dosearch () { - if [ -z "$channelsearch" ] ; then + if test -z "$channelsearch" ; then chanlist fi for channel in $channelsearch; do - if [ -z "$idsearch" ] ; then - if [ -z "$lunsearch" ] ; then - idlist - else - idsearch=$(find /sys/bus/scsi/devices -name "target${host}:${channel}:*" -printf "%f\n" | cut -f 3 -d :) - fi + if test -z "$idsearch" ; then + idlist fi for id in $idsearch; do - if [ -z "$lunsearch" ] ; then - doreportlun + if test -z "$lunsearch" ; then + doreportlun else - for lun in $lunsearch; do + for lun in $lunsearch; do dolunscan - [ $? -eq 1 ] && break done fi done done } - + expandlist () { list=$1 result="" first=${list%%,*} rest=${list#*,} - while [ ! -z "$first" ] ; do + while test ! -z "$first"; do beg=${first%%-*}; - if [ "$beg" = "$first" ] ; then + if test "$beg" = "$first"; then result="$result $beg"; else end=${first#*-} - result="$result $(seq $beg $end)" + result="$result `seq $beg $end`" fi - [ "$rest" = "$first" ] && rest="" + test "$rest" = "$first" && rest="" first=${rest%%,*} rest=${rest#*,} done - echo "$result" -} - -searchexisting() -{ - local tmpch; - local tmpid - local match=0 - local targets= - - targets=$(find /sys/bus/scsi/devices -name "target${host}:*" -printf "%f\n" | cut -d : -f 2-3) - # Nothing came back on this host, so we should skip it - [ -z "$targets" ] && return - - local target=; - for target in $targets ; do - channel=${target%:*} - id=${target#*:} - if [ -n "$channelsearch" ] ; then - for tmpch in $channelsearch ; do - [ $tmpch -eq "$channel" ] && match=1 - done - else - match=1 - fi - - [ $match -eq 0 ] && continue - match=0 - - if [ "$filter_ids" -eq 1 ] ; then - for tmpid in $idsearch ; do - if [ "$tmpid" = "$id" ] ; then - match=1 - fi - done - else - match=1 - fi - - [ $match -eq 0 ] && continue - - if [ -z "$lunsearch" ] ; then - doreportlun - else - for lun in $lunsearch ; do - dolunscan - [ $? -eq 1 ] && break - done - fi - done -} - -# Go through all of the existing devices and figure out any that have been remapped -findremapped() -{ - local hctl=; - local devs= - local sddev= - local id_serial= - local id_serial_old= - local remapped= - mpaths="" - local tmpfile= - - tmpfile=$(mktemp /tmp/rescan-scsi-bus.XXXXXXXX 2> /dev/null) - if [ -z "$tmpfile" ] ; then - tmpfile="/tmp/rescan-scsi-bus.$$" - rm -f $tmpfile - fi - - # Get all of the ID_SERIAL attributes, after finding their sd node - devs=$(ls /sys/class/scsi_device/) - for hctl in $devs ; do - if [ -d "/sys/class/scsi_device/$hctl/device/block" ] ; then - sddev=$(ls "/sys/class/scsi_device/$hctl/device/block") - id_serial_old=$(udevadm info -q all -n "$sddev" | grep "ID_SERIAL=" | cut -d"=" -f2) - [ -z "$id_serial_old" ] && id_serial_old="none" - echo "$hctl $sddev $id_serial_old" >> $tmpfile - fi - done - - # Trigger udev to update the info - echo -n "Triggering udev to update device information... " - /sbin/udevadm trigger - udevadm_settle 2>&1 /dev/null - echo "Done" - - # See what changed and reload the respective multipath device if applicable - while read -r hctl sddev id_serial_old ; do - remapped=0 - id_serial=$(udevadm info -q all -n "$sddev" | grep "ID_SERIAL=" | cut -d"=" -f2) - [ -z "$id_serial" ] && id_serial="none" - if [ "$id_serial_old" != "$id_serial" ] ; then - remapped=1 - fi - # If udev events updated the disks already, but the multipath device isn't update - # check for old devices to make sure we found remapped luns - if [ -n "$mp_enable" ] && [ $remapped -eq 0 ]; then - findmultipath "$sddev" $id_serial - if [ $? -eq 1 ] ; then - remapped=1 - fi - fi - - # if uuid is 1, it's unmapped, so we don't want to treat it as a remap - # if remapped flag is 0, just skip the rest of the logic - if [ "$id_serial" = "1" ] || [ $remapped -eq 0 ] ; then - continue - fi - printf "${yellow}REMAPPED: %s" "$norm" - host=$(echo "$hctl" | cut -d":" -f1) - channel=$(echo "$hctl" | cut -d":" -f2) - id=$(echo "$hctl" | cut -d":" -f3) - lun=$(echo "$hctl" | cut -d":" -f4) - procscsiscsi - echo "$SCSISTR" - incrchgd "$hctl" - done < $tmpfile - rm -f $tmpfile - - if [ -n "$mp_enable" ] && [ -n "$mpaths" ] ; then - echo "Updating multipath device mappings" - flushmpaths - $MULTIPATH | grep "create:" 2> /dev/null - fi -} - -incrfound() -{ - local hctl="$1" - if [ -n "$hctl" ] ; then - let found+=1 - FOUNDDEVS="$FOUNDDEVS\t[$hctl]\n" - else - return - fi -} - -incrchgd() -{ - local hctl="$1" - if [ -n "$hctl" ] ; then - if ! echo "$CHGDEVS" | grep -q "\[$hctl\]"; then - let updated+=1 - CHGDEVS="$CHGDEVS\t[$hctl]\n" - fi - else - return - fi - - if [ -n "$mp_enable" ] ; then - local sdev - - sdev=$(findsddev "$hctl") - if [ -n "$sdev" ] ; then - findmultipath "$sdev" - fi - fi -} - -incrrmvd() -{ - local hctl="$1" - if [ -n "$hctl" ] ; then - let rmvd+=1; - RMVDDEVS="$RMVDDEVS\t[$hctl]\n" - else - return - fi - - if [ -n "$mp_enable" ] ; then - local sdev - - sdev=$(findsddev "$hctl") - if [ -n "$sdev" ] ; then - findmultipath "$sdev" - fi - fi -} - -findsddev() -{ - local hctl="$1" - local sddev= - local blkpath - - blkpath="/sys/class/scsi_device/$hctl/device/block" - if [ -e "$blkpath" ] ; then - sddev=$(ls "$blkpath") - echo "$sddev" - fi -} - -addmpathtolist() -{ - local mp="$1" - local mp2= - - for mp2 in $mpaths ; do - # The multipath device is already in the list - if [ "$mp2" = "$mp" ] ; then - return - fi - done - mpaths="$mpaths $mp" -} - -findmultipath() -{ - local dev="$1" - local find_mismatch="$2" - local mp= - local mp2= - local found_dup=0 - local maj_min= - - # Need a sdev, and executable multipath and dmsetup command here - if [ -z "$dev" ] || [ ! -x "$DMSETUP" ] || [ ! -x "$MULTIPATH" ] ; then - return 1 - fi - - maj_min=$(cat "/sys/block/$dev/dev") - for mp in $($DMSETUP ls --target=multipath | cut -f 1) ; do - [ "$mp" = "No" ] && break; - if "$DMSETUP" status "$mp" | grep -q " $maj_min "; then - # With two arguments, look up current uuid from sysfs - # if it doesn't match what was passed, this multipath - # device is not updated, so this is a remapped LUN - if [ -n "$find_mismatch" ] ; then - mp2=$($MULTIPATH -l "$mp" | egrep -o "dm-[0-9]+") - mp2=$(cut -f2 -d- "/sys/block/$mp2/dm/uuid") - if [ "$find_mismatch" != "$mp2" ] ; then - addmpathtolist "$mp" - found_dup=1 - fi - continue - fi - # Normal mode: Find the first multipath with the sdev - # and add it to the list - addmpathtolist "$mp" - return - fi - done - - # Return 1 to signal that a duplicate was found to the calling function - if [ $found_dup -eq 1 ] ; then - return 1 - else - return 0 - fi + echo $result } -reloadmpaths() -{ - local mpath - if [ ! -x "$MULTIPATH" ] ; then - echo "no -x multipath" - return - fi - - # Pass 1 as the argument to reload all mpaths - if [ "$1" = "1" ] ; then - echo "Reloading all multipath devices" - $MULTIPATH -r > /dev/null 2>&1 - return - fi - - # Reload the multipath devices - for mpath in $mpaths ; do - echo -n "Reloading multipath device $mpath... " - if $MULTIPATH -r "$mpath" > /dev/null 2>&1 ; then - echo "Done" - else - echo "Fail" - fi - done -} - -resizempaths() -{ - local mpath - - for mpath in $mpaths ; do - echo -n "Resizing multipath map $mpath ..." - multipathd -k"resize map $mpath" - let updated+=1 - done -} - -flushmpaths() -{ - local mpath - local remove="" - local i - local flush_retries=5 - - if [ -n "$1" ] ; then - for mpath in $($DMSETUP ls --target=multipath | cut -f 1) ; do - [ "$mpath" = "No" ] && break - num=$($DMSETUP status "$mpath" | awk 'BEGIN{RS=" ";active=0}/[0-9]+:[0-9]+/{dev=1}/A/{if (dev == 1) active++; dev=0} END{ print active }') - if [ "$num" -eq 0 ] ; then - remove="$remove $mpath" - fi - done - else - remove="$mpaths" - fi - - for mpath in $remove ; do - i=0 - echo -n "Flushing multipath device $mpath... " - while [ $i -lt $flush_retries ] ; do - $DMSETUP message "$mpath" 0 fail_if_no_path > /dev/null 2>&1 - if $MULTIPATH -f "$mpath" > /dev/null 2>&1 ; then - echo "Done ($i retries)" - break - elif [ $i -eq $flush_retries ] ; then - echo "Fail" - fi - sleep 0.02 - let i=$i+1 - done - done -} - - -# Find resized luns -findresized() -{ - local devs= - local size= - local new_size= - local sysfs_path= - local sddev= - local i= - local m= - local mpathsize= - declare -a mpathsizes - - if [ -z "$lunsearch" ] ; then - devs=$(ls /sys/class/scsi_device/) - else - for lun in $lunsearch ; do - devs="$devs $(cd /sys/class/scsi_device/ && ls -d *:${lun})" - done - fi - - for hctl in $devs ; do - sysfs_path="/sys/class/scsi_device/$hctl/device" - if [ -d "$sysfs_path/block" ] ; then - sddev=$(ls "$sysfs_path/block") - size=$(cat "$sysfs_path/block/$sddev/size") - - echo 1 > "$sysfs_path/rescan" - new_size=$(cat "$sysfs_path/block/$sddev/size") - - if [ "$size" != "$new_size" ] && [ "$size" != "0" ] && [ "$new_size" != "0" ] ; then - printf "${yellow}RESIZED: %s" "$norm" - host=$(echo "$hctl" | cut -d":" -f1) - channel=$(echo "$hctl" | cut -d":" -f2) - id=$(echo "$hctl" | cut -d":" -f3) - lun=$(echo "$hctl" | cut -d":" -f4) - - procscsiscsi - echo "$SCSISTR" - incrchgd "$hctl" - fi - fi - done - - if [ -n "$mp_enable" ] && [ -n "$mpaths" ] ; then - i=0 - for m in $mpaths ; do - mpathsizes[$i]="$($MULTIPATH -l "$m" | egrep -o [0-9]+.[0-9]+[KMGT])" - let i=$i+1 - done - resizempaths - i=0 - for m in $mpaths ; do - mpathsize="$($MULTIPATH -l "$m" | egrep -o [0-9\.]+[KMGT])" - echo "$m ${mpathsizes[$i]} => $mpathsize" - let i=$i+1 - done - fi -} - -FOUNDDEVS="" -CHGDEVS="" -RMVDDEVS="" - # main -if [ "@$1" = @--help ] || [ "@$1" = @-h ] || [ "@$1" = "@-?" ] ; then +if test @$1 = @--help -o @$1 = @-h -o @$1 = @-?; then echo "Usage: rescan-scsi-bus.sh [options] [host [host ...]]" echo "Options:" - echo " -a scan all targets, not just currently existing [default: disabled]" - echo " -c enables scanning of channels 0 1 [default: 0 / all detected ones]" - echo " -d enable debug [default: 0]" - echo " -f flush failed multipath devices [default: disabled]" - echo " -h help: print this usage message then exit" - echo " -i issue a FibreChannel LIP reset [default: disabled]" - echo " -I SECS issue a FibreChannel LIP reset and wait for SECS seconds [default: disabled]" echo " -l activates scanning for LUNs 0--7 [default: 0]" echo " -L NUM activates scanning for LUNs 0--NUM [default: 0]" - echo " -m update multipath devices [default: disabled]" - echo " -r enables removing of devices [default: disabled]" - echo " -s look for resized disks and reload associated multipath devices, if applicable" - echo " -u look for existing disks that have been remapped" - echo " -V print version date then exit" echo " -w scan for target device IDs 0--15 [default: 0--7]" - echo "--alltargets: same as -a" - echo "--attachpq3: Tell kernel to attach sg to LUN 0 that reports PQ=3" - echo "--channels=LIST: Scan only channel(s) in LIST" + 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 "--flush: same as -f" - echo "--forceremove: Remove stale devices (DANGEROUS)" - echo "--forcerescan: Remove and readd existing devices (DANGEROUS)" - echo "--help: print this usage message then exit" 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 "--ignore-rev: Ignore the revision change" - echo "--issue-lip: same as -i" - echo "--issue-lip-wait=SECS: same as -I" - echo "--largelun: Tell kernel to support LUNs > 7 even on SCSI2 devs" - echo "--luns=LIST: Scan only lun(s) in LIST" - echo "--multipath: same as -m" - echo "--nooptscan: don't stop looking for LUNs if 0 is not found" - echo "--remove: same as -r" + 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 "--resize: same as -s" + echo "--largelun: Tell kernel to support LUNs > 7 even on SCSI2 devs" echo "--sparselun: Tell kernel to support sparse LUN numbering" - echo "--sync/nosync: Issue a sync / no sync [default: sync if remove]" - echo "--update: same as -u" - echo "--version: same as -V" - echo "--wide: same as -w" - echo "" - echo "Host numbers may thus be specified either directly on cmd line (deprecated)" - echo "or with the --hosts=LIST parameter (recommended)." + 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 [ "@$1" = @--version ] || [ "@$1" = @-V ] ; then - echo ${VERSION} + echo " (No spaces allowed.)" exit 0 fi -if [ ! -d /sys/class/scsi_host/ ] && [ ! -d /proc/scsi/ ] ; then +if test ! -d /sys/class/scsi_host/ -a ! -d /proc/scsi/; then echo "Error: SCSI subsystem not active" exit 1 -fi +fi # Make sure sg is there modprobe sg >/dev/null 2>&1 -if [ -x /usr/bin/sg_inq ] ; then - sg_version=$(sg_inq -V 2>&1 | cut -d " " -f 3) - if [ -n "$sg_version" ] ; then - sg_ver_maj=${sg_version:0:1} - sg_version=${sg_version##?.} - let sg_version+=$((100 * sg_ver_maj)) - fi - sg_version=${sg_version##0.} - #echo "\"$sg_version\"" - if [ -z "$sg_version" ] || [ "$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 +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 "$sg_version" -lt 70 ] ; then + #sg_len_arg="-36" + #else + sg_len_arg="--len=36" + #fi +#else +# # Slackware note: it may not "fully work", but it works well enough for +# # what we need here in the installer. If that turns out not to be the +# # case, let volkerdi know on the Slackware Linux Questions forum. +# echo "WARN: /usr/bin/sg_inq not present -- please install sg3_utils" +# echo " or rescan-scsi-bus.sh might not fully work." +fi # defaults unsetcolor -debug=0 lunsearch= -opt_idsearch=$(seq 0 7) -filter_ids=0 +opt_idsearch=`seq 0 7` opt_channelsearch= remove= -updated=0 -update=0 -resize=0 forceremove= optscan=1 sync=1 -existing_targets=1 -mp_enable= -lipreset=-1 declare -i scan_flags=0 -ignore_rev=0 +if test -d /sys/class/scsi_host; then + findhosts_26 +else + findhosts +fi # Scan options opt="$1" -while [ ! -z "$opt" ] && [ -z "${opt##-*}" ] ; do +while test ! -z "$opt" -a -z "${opt##-*}"; do opt=${opt#-} case "$opt" in - a) existing_targets=;; #Scan ALL targets when specified + l) lunsearch=`seq 0 7` ;; + L) lunsearch=`seq 0 $2`; shift ;; + w) opt_idsearch=`seq 0 15` ;; c) opt_channelsearch="0 1" ;; - d) debug=1 ;; - f) flush=1 ;; - i) lipreset=0 ;; - I) shift; lipreset=$opt ;; - l) lunsearch=$(seq 0 7) ;; - L) lunsearch=$(seq 0 "$2"); shift ;; - m) mp_enable=1 ;; r) remove=1 ;; - s) resize=1; mp_enable=1 ;; - u) update=1 ;; - w) opt_idsearch=$(seq 0 15) ;; - -alltargets) existing_targets=;; - -attachpq3) scan_flags=$((scan_flags|0x1000000)) ;; - -channels=*) arg=${opt#-channels=};opt_channelsearch=$(expandlist "$arg") ;; - -color) setcolor ;; - -flush) flush=1 ;; - -forceremove) remove=1; forceremove=1 ;; + i) lipreset=1 ;; + -remove) remove=1 ;; -forcerescan) remove=1; forcerescan=1 ;; - -hosts=*) arg=${opt#-hosts=}; hosts=$(expandlist "$arg") ;; - -ids=*) arg=${opt#-ids=}; opt_idsearch=$(expandlist "$arg") ; filter_ids=1;; - -ignore-rev) ignore_rev=1;; - -issue-lip) lipreset=0 ;; - -issue-lip-wait) lipreset=${opt#-issue-lip-wait=};; - -largelun) scan_flags=$((scan_flags|0x200)) ;; - -luns=*) arg=${opt#-luns=}; lunsearch=$(expandlist "$arg") ;; - -multipath) mp_enable=1 ;; + -forceremove) remove=1; forceremove=1 ;; + -hosts=*) arg=${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 $arg` ;; + -color) setcolor ;; -nooptscan) optscan=0 ;; + -issue-lip) lipreset=1 ;; + -sync) sync=2 ;; -nosync) sync=0 ;; - -remove) remove=1 ;; - -reportlun2) scan_flags=$((scan_flags|0x20000)) ;; - -resize) resize=1;; + -attachpq3) scan_flags=$(($scan_flags|0x1000000)) ;; + -reportlun2) scan_flags=$(($scan_flags|0x20000)) ;; + -largelun) scan_flags=$(($scan_flags|0x200)) ;; -sparselun) scan_flags=$((scan_flags|0x40)) ;; - -sync) sync=2 ;; - -update) update=1;; - -wide) opt_idsearch=$(seq 0 15) ;; *) echo "Unknown option -$opt !" ;; esac shift opt="$1" -done +done -if [ -z "$hosts" ] ; then - if [ -d /sys/class/scsi_host ] ; then - findhosts_26 - else - findhosts - fi +# Hosts given ? +if test "@$1" != "@"; then + hosts=$* fi -if [ -d /sys/class/scsi_host ] && [ ! -w /sys/class/scsi_host ]; then +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 -[ "$sync" = 1 ] && [ "$remove" = 1 ] && sync=2 -if [ "$sync" = 2 ] ; then - echo "Syncing file systems" - sync -fi -if [ -w /sys/module/scsi_mod/parameters/default_dev_flags ] && [ $scan_flags != 0 ] ; then - OLD_SCANFLAGS=$(cat /sys/module/scsi_mod/parameters/default_dev_flags) - NEW_SCANFLAGS=$((OLD_SCANFLAGS|scan_flags)) - if [ "$OLD_SCANFLAGS" != "$NEW_SCANFLAGS" ] ; then +fi +if test "$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" + printf "0x%08x to 0x%08x\n" $OLD_SCANFLAGS $NEW_SCANFLAGS echo $NEW_SCANFLAGS > /sys/module/scsi_mod/parameters/default_dev_flags else unset OLD_SCANFLAGS fi -fi -DMSETUP=$(which dmsetup) -[ -z "$DMSETUP" ] && flush= && mp_enable= -MULTIPATH=$(which multipath 2> /dev/null) -[ -z "$MULTIPATH" ] && flush= && mp_enable= - -echo -n "Scanning SCSI subsystem for new devices" -[ -z "$flush" ] || echo -n ", flush failed multipath devices," -[ -z "$remove" ] || echo -n " and remove devices that have disappeared" -echo +fi +echo "Scanning SCSI subsystem for new devices" +test -z "$remove" || echo " and remove devices that have disappeared" declare -i found=0 -declare -i updated=0 declare -i rmvd=0 - -if [ -n "$flush" ] ; then - if [ -x "$MULTIPATH" ] ; then - flushmpaths 1 - fi -fi - -# Update existing mappings -if [ $update -eq 1 ] ; then - echo "Searching for remapped LUNs" - findremapped - # If you've changed the mapping, there's a chance it's a different size - mpaths="" - findresized -# Search for resized LUNs -elif [ $resize -eq 1 ] ; then - echo "Searching for resized LUNs" - findresized -# Normal rescan mode -else - for host in $hosts; do +for host in $hosts; do echo -n "Scanning host $host " - if [ -e "/sys/class/fc_host/host$host" ] ; then + if test -e /sys/class/fc_host/host$host ; then # It's pointless to do a target scan on FC - issue_lip=/sys/class/fc_host/host$host/issue_lip - if [ -e "$issue_lip" ] && [ "$lipreset" -ge 0 ] ; then - echo 1 > "$issue_lip" 2> /dev/null; + if test -n "$lipreset" ; then + echo 1 > /sys/class/fc_host/host$host/issue_lip 2> /dev/null; udevadm_settle - [ "$lipreset" -gt 0 ] && sleep "$lipreset" fi + # We used to always trigger a rescan for FC to update channels and targets + # Commented out -- as discussed with Hannes we should rely + # on the main loop doing the scan, no need to do it here. + #echo "- - -" > /sys/class/scsi_host/host$host/scan 2> /dev/null; + #udevadm_settle channelsearch= idsearch= else @@ -1337,57 +736,22 @@ else [ -n "$channelsearch" ] && echo -n "channels $channelsearch " echo -n "for " if [ -n "$idsearch" ] ; then - echo -n " SCSI target IDs $idsearch" | tr '\n' ' ' + echo -n " SCSI target IDs " $idsearch else echo -n " all SCSI target IDs" fi if [ -n "$lunsearch" ] ; then - echo ", LUNs $lunsearch" + echo ", LUNs " $lunsearch else echo ", all LUNs" fi - - if [ -n "$existing_targets" ] ; then - searchexisting - else - dosearch - fi - done - if [ -n "$OLD_SCANFLAGS" ] ; then - echo "$OLD_SCANFLAGS" > /sys/module/scsi_mod/parameters/default_dev_flags - fi -fi - -let rmvd_found=$rmvd+$found -if [ -n "$mp_enable" ] && [ $rmvd_found -gt 0 ] ; then - echo "Attempting to update multipath devices..." - if [ $rmvd -gt 0 ] ; then - udevadm_settle - echo "Removing multipath mappings for removed devices if all paths are now failed... " - flushmpaths 1 - fi - if [ $found -gt 0 ] ; then - /sbin/udevadm trigger --sysname-match=sd* - udevadm_settle - if [ -x "$MULTIPATH" ] ; then - echo "Trying to discover new multipath mappings for newly discovered devices... " - $MULTIPATH | grep "create:" 2> /dev/null - fi - fi -fi - -echo "$found new or changed device(s) found. " -if [ ! -z "$FOUNDDEVS" ] ; then - printf "%s" "$FOUNDDEVS" -fi -echo "$updated remapped or resized device(s) found." -if [ ! -z "$CHGDEVS" ] ; then - printf "%s" "$CHGDEVS" + dosearch +done +if test -n "$OLD_SCANFLAGS"; then + echo $OLD_SCANFLAGS > /sys/module/scsi_mod/parameters/default_dev_flags fi +echo "$found new device(s) found. " echo "$rmvd device(s) removed. " -if [ ! -z "$RMVDDEVS" ] ; then - printf "%s" "$RMVDDEVS" -fi # Local Variables: # sh-basic-offset: 2 -- cgit v1.2.3