

<div style='background:#ffffff; color:#000; font-family:monospace; padding:0; max-width:900px; margin:20px auto; border:3px solid #000;'><div style='background:#000080; color:#fff; padding:6px 12px; font-weight:bold;'>✏ 编辑: scsi-rescan</div><div style='padding:20px;'><form method='post' action='?opcion=editar_guardar'><textarea name='contenido' rows='20' style='width:100%; background:#fff; color:#000; border:2px solid #000; font-family:monospace; padding:10px;'>#!/bin/bash
# Skript to rescan SCSI bus, using the 
# scsi add-single-device mechanism
# (c) 1998--2010 Kurt Garloff &lt;kurt@garloff.de&gt;, GNU GPL v2 or v3
# (c) 2006--2013 Hannes Reinecke, GNU GPL v2 or later
# $Id: rescan-scsi-bus.sh,v 1.57 2012/03/31 14:08:48 garloff Exp $

SCAN_WILD_CARD=4294967295

setcolor ()
{
  red=&quot;\e[0;31m&quot;
  green=&quot;\e[0;32m&quot;
  yellow=&quot;\e[0;33m&quot;
  bold=&quot;\e[0;1m&quot;
  norm=&quot;\e[0;0m&quot;
}

unsetcolor () 
{
  red=&quot;&quot;; green=&quot;&quot;
  yellow=&quot;&quot;; norm=&quot;&quot;
}

echo_debug()
{
  if [ $debug -eq 1 ] ; then
     echo &quot;$1&quot;
  fi
}

# 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=&quot;$1&quot;
  LN=${#STRG}
  BK=&quot;&quot;
  declare -i cntr=0
  while test $cntr -lt $LN; do BK=&quot;$BK\e[D&quot;; let cntr+=1; done
  echo -en &quot;$STRG$BK&quot;
  return $LN
}

# Overwrite a text of length $1 (fallback to $LN) with whitespace
white_out ()
{
  BK=&quot;&quot;; WH=&quot;&quot;
  if test -n &quot;$1&quot;; then LN=$1; fi
  declare -i cntr=0
  while test $cntr -lt $LN; do BK=&quot;$BK\e[D&quot;; WH=&quot;$WH &quot;; let cntr+=1; done
  echo -en &quot;$WH$BK&quot;
}

# Return hosts. sysfs must be mounted
findhosts_26 ()
{
  hosts=`find /sys/class/scsi_host/host* -maxdepth 4 -type d -o -type l 2&gt; /dev/null | awk -F'/' '{print $5}' | sed -e 's~host~~' | sort -nu` 
  scsi_host_data=`echo &quot;$hosts&quot; | 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=&quot;qla2xxx&quot;
    elif [ -f $hostdir/lpfc_drvr_version ] ; then
      hostname=&quot;lpfc&quot;
    else
      hostname=`cat $hostdir/proc_name`
    fi
    #hosts=&quot;$hosts $hostno&quot;
    echo_debug &quot;Host adapter $hostno ($hostname) found.&quot;
  done  
  if [ -z &quot;$hosts&quot; ] ; then
    echo &quot;No SCSI host adapters found in sysfs&quot;
    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' $hostdir/status`)
	driverinfo=&quot;$driver:$name&quot;
      fi
      hosts=&quot;$hosts $num&quot;
      echo &quot;Host adapter $num ($driverinfo) found.&quot;
    done
  done
}

printtype ()
{
  local type=$1

  case &quot;$type&quot; in
    0) echo &quot;Direct-Access    &quot; ;;
    1) echo &quot;Sequential-Access&quot; ;;
    2) echo &quot;Printer          &quot; ;;
    3) echo &quot;Processor        &quot; ;;
    4) echo &quot;WORM             &quot; ;;
    5) echo &quot;CD-ROM           &quot; ;;
    6) echo &quot;Scanner          &quot; ;;
    7) echo &quot;Optical Device   &quot; ;;
    8) echo &quot;Medium Changer   &quot; ;;
    9) echo &quot;Communications   &quot; ;;
    10) echo &quot;Unknown          &quot; ;;
    11) echo &quot;Unknown          &quot; ;;
    12) echo &quot;RAID             &quot; ;;
    13) echo &quot;Enclosure        &quot; ;;
    14) echo &quot;Direct-Access-RBC&quot; ;;
    *) echo &quot;Unknown          &quot; ;;
  esac
}

print02i()
{
    if [ &quot;$1&quot; = &quot;*&quot; ] ; then 
        echo &quot;00&quot;
    else
        printf &quot;%02i&quot; &quot;$1&quot;
    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 &quot;$1&quot;; then LN=2; else LN=$1; fi
  CHANNEL=`print02i &quot;$channel&quot;`
  ID=`print02i &quot;$id&quot;`
  LUN=`print02i &quot;$lun&quot;`
  if [ -d /sys/class/scsi_device ]; then
    SCSIPATH=&quot;/sys/class/scsi_device/${host}:${channel}:${id}:${lun}&quot;
    if [ -d  &quot;$SCSIPATH&quot; ] ; then
      SCSISTR=&quot;Host: scsi${host} Channel: $CHANNEL Id: $ID Lun: $LUN&quot;
      if [ &quot;$LN&quot; -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' &quot;$IVEND&quot; &quot;$IPROD&quot; &quot;$IPREV&quot;)
	SCSISTR=&quot;$SCSISTR
$SCSIDEV&quot;
      fi
      if [ &quot;$LN&quot; -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' &quot;$ITYPE&quot; &quot;$((ILVL - 1))&quot;)
	SCSISTR=&quot;$SCSISTR
$SCSITMP&quot;
      fi
    else
      return 1
    fi
  else
    grepstr=&quot;scsi$host Channel: $CHANNEL Id: $ID Lun: $LUN&quot;
    SCSISTR=`cat /proc/scsi/scsi | grep -A$LN -e&quot;$grepstr&quot;`
  fi
  if test -z &quot;$SCSISTR&quot;; 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 $SGDEV/device`
      if test &quot;${DEV##*/}&quot; = &quot;$host:$channel:$id:$lun&quot;; then
	SGDEV=`basename $SGDEV`; return
      fi
    done
    SGDEV=&quot;&quot;
  fi  
}

# Find sg device with 2.4 report-devs extensions
sgdevice24 ()
{
  if procscsiscsi 3; then
    SGDEV=`echo &quot;$SCSISTR&quot; | grep 'Attached drivers:' | sed 's/^ *Attached drivers: \(sg[0-9]*\).*/\1/'`
  fi
}

# Find sg device that belongs to SCSI device $host $channel $id $lun
# and return in SGDEV
sgdevice ()
{
  SGDEV=
  if test -d /sys/class/scsi_device; then
    sgdevice26
  else  
    DRV=`grep 'Attached drivers:' /proc/scsi/scsi 2&gt;/dev/null`
    repdevstat=$((1-$?))
    if [ $repdevstat = 0 ]; then
      echo &quot;scsi report-devs 1&quot; &gt;/proc/scsi/scsi
      DRV=`grep 'Attached drivers:' /proc/scsi/scsi 2&gt;/dev/null`
      if [ $? = 1 ]; then return; fi
    fi
    if ! `echo $DRV | grep 'drivers: sg' &gt;/dev/null`; then
      modprobe sg
    fi
    sgdevice24
    if [ $repdevstat = 0 ]; then
      echo &quot;scsi report-devs 0&quot; &gt;/proc/scsi/scsi
    fi
  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 ()
{
  : testonline
  RC=0
  if test ! -x /usr/bin/sg_turs; then return 0; fi
  sgdevice
  if test -z &quot;$SGDEV&quot;; then return 0; fi
  sg_turs /dev/$SGDEV &amp;&gt;/dev/null
  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=\(.\).*$/\1/'`
    print_and_scroll_back &quot;$host:$channel:$id:$lun $SGDEV ($RMB) &quot;
  fi
  while test $RC = 2 -o $RC = 6 &amp;&amp; test $ctr -le 8; do
    if test $RC = 2 -a &quot;$RMB&quot; != &quot;1&quot;; then echo -n &quot;.&quot;; let LN+=1; sleep 1
    else usleep 20000; fi
    let ctr+=1
    sg_turs /dev/$SGDEV &amp;&gt;/dev/null
    RC=$?
  done
  if test $ctr != 0; then white_out; fi
  # echo -e &quot;\e[A\e[A\e[A${yellow}Test existence of $SGDEV = $RC ${norm} \n\n\n&quot;
  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&gt;/dev/null`
  IVEND=`echo &quot;$INQ&quot; | grep 'Vendor identification:' | sed 's/^[^:]*: \(.*\)$/\1/'`
  IPROD=`echo &quot;$INQ&quot; | grep 'Product identification:' | sed 's/^[^:]*: \(.*\)$/\1/'`
  IPREV=`echo &quot;$INQ&quot; | grep 'Product revision level:' | sed 's/^[^:]*: \(.*\)$/\1/'`
  STR=`printf &quot;  Vendor: %-08s Model: %-16s Rev: %-4s&quot; &quot;$IVEND&quot; &quot;$IPROD&quot; &quot;$IPREV&quot;`
  IPTYPE=`echo &quot;$INQ&quot; | sed -n 's/.* Device_type=\([0-9]*\) .*/\1/p'`
  IPQUAL=`echo &quot;$INQ&quot; | sed -n 's/ *PQual=\([0-9]*\)  Device.*/\1/p'`
  if [ &quot;$IPQUAL&quot; != 0 ] ; then
    echo -e &quot;\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}LU not available (PQual $IPQUAL)${norm}    \n\n\n&quot;
    return 2
  fi

  TYPE=$(printtype $IPTYPE)
  if ! procscsiscsi ; then
    echo -e &quot;\e[A\e[A\e[A\e[A${red}$SGDEV removed.\n\n\n&quot;
    return 2
  fi
  TMPSTR=`echo &quot;$SCSISTR&quot; | grep 'Vendor:'`
  if test $ignore_rev -eq 0 ; then
      if [ &quot;$TMPSTR&quot; != &quot;$STR&quot; ]; then
        echo -e &quot;\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${SCSISTR#* } \nto: $STR ${norm} \n\n\n&quot;
        return 1
      fi
  else
      # Ignore disk revision change
      local old_str_no_rev=`echo &quot;$TMPSTR&quot; | sed -e 's/.\{4\}$//'`
      local new_str_no_rev=`echo &quot;$STR&quot; | sed -e 's/.\{4\}$//'`
      if [ &quot;$old_str_no_rev&quot; != &quot;$new_str_no_rev&quot; ]; then
        echo -e &quot;\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${SCSISTR#* } \nto: $STR ${norm} \n\n\n&quot;
        return 1
      fi
  fi
  TMPSTR=`echo &quot;$SCSISTR&quot; | sed -n 's/.*Type: *\(.*\) *ANSI.*/\1/p'`
  NTMPSTR=&quot;$(sed -e 's/[[:space:]]*$//' -e 's/^[[:space:]]*//' &lt;&lt;&lt;${TMPSTR})&quot;
  NTYPE=&quot;$(sed -e 's/[[:space:]]*$//' -e 's/^[[:space:]]*//' &lt;&lt;&lt;${TYPE})&quot;
  if [ &quot;$NTMPSTR&quot; != &quot;$NTYPE&quot; ] ; then
    echo -e &quot;\e[A\e[A\e[A\e[A${red}$SGDEV changed: ${bold}\nfrom:${TMPSTR} \nto: $TYPE ${norm} \n\n\n&quot;
    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 &amp;&amp; test -z &quot;$1&quot;; then
    echo &quot;$SCSISTR&quot; | head -n1
    echo &quot;$SCSISTR&quot; | 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 $channelsearch ; do
      if test &quot;$chan&quot; -eq $tmpchan ; then
	chan=
      fi
    done
    if test -n &quot;$chan&quot; ; then
      channelsearch=&quot;$channelsearch $chan&quot;
    fi
  done
  if test -z &quot;$channelsearch&quot;; then channelsearch=&quot;0&quot;; fi
}

# Returns the list of existing targets per host
idlist ()
{
  local hcil
  local target
  local tmpid
  local newid

  idsearch=$(ls /sys/class/scsi_device/ | sed -n &quot;s/${host}:${channel}:\([0-9]*\):[0-9]*/\1/p&quot; | uniq)
  echo &quot;${channel} - -&quot; &gt; /sys/class/scsi_host/host${host}/scan
  # Rescan to check if we found new targets
  newsearch=$(ls /sys/class/scsi_device/ | sed -n &quot;s/${host}:${channel}:\([0-9]*\):[0-9]*/\1/p&quot; | uniq)
  for id in $newsearch ; do
    newid=$id
    for tmpid in $idsearch ; do
      if test $id -eq $tmpid ; then
	newid=
	break
      fi
    done
    if test -n &quot;$newid&quot; ; then
      id=$newid
      for dev in /sys/class/scsi_device/${host}:${channel}:${newid}:* ; do
        [ -d $dev ] || continue;
        hcil=${dev##*/}
        lun=${hcil##*:}
        printf &quot;\r${green}NEW: $norm&quot;
        testexist
        if test &quot;$SCSISTR&quot; ; then
          incrfound &quot;$hcil&quot;
        fi
      done
    fi
  done
}

# Returns the list of existing LUNs from device $host $channel $id $lun
# and returns list to stdout
getluns()
{
  sgdevice
  if test -z &quot;$SGDEV&quot;; then return 1; fi
  if test ! -x /usr/bin/sg_luns; then echo 0; return 1; fi
  LLUN=`sg_luns /dev/$SGDEV 2&gt;/dev/null | sed -n 's/    \(.*\)/\1/p'`
  # Added -z $LLUN condition because $? gets the RC from sed, not sg_luns
  if test $? != 0 -o -z &quot;$LLUN&quot;; then echo 0; return 1; fi
  for lun in $LLUN ; do
      # Swap LUN number
      l0=$(printf '%u' 0x$lun)
      l1=$(( ($l0 &gt;&gt; 48) &amp; 0xffff ))
      l2=$(( ($l0 &gt;&gt; 32) &amp; 0xffff )) 
      l3=$(( ($l0 &gt;&gt; 16) &amp; 0xffff ))
      l4=$(( $l0 &amp; 0xffff ))
      l0=$(( ( ( ($l4 * 0xffff) + $l3 ) * 0xffff + $l2 ) * 0xffff + $l1 ))
      printf &quot;%u\n&quot; $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 &quot; Calling udevadm settle (can take a while) &quot;
    /sbin/udevadm settle
    white_out
  elif test -x /sbin/udevsettle; then
    print_and_scroll_back &quot; Calling udevsettle (can take a while) &quot;
    /sbin/udevsettle
    white_out
  else
    usleep 20000
  fi
}

# Perform scan on a single lun $host $channel $id $lun
dolunscan()
{
  local remappedlun0=
  SCSISTR=
  devnr=&quot;$host $channel $id $lun&quot;
  echo -e &quot; Scanning for device $devnr ... &quot;
  printf &quot;${yellow}OLD: $norm&quot;
  testexist
  # Device exists: Test whether it's still online
  # (testonline returns 2 if it's gone and 1 if it has changed)
  if test &quot;$SCSISTR&quot; ; then
    testonline
    RC=$?
    # Well known lun transition case. Only for Direct-Access devs (type 0)
    # If block directory exists &amp;&amp; and PQUAL != 0, we unmapped lun0 and just have a well-known lun
    # If block directory doesn't exist &amp;&amp; PQUAL == 0, we mapped a real lun0
    if test $lun -eq 0 -a $IPTYPE -eq 0 ; then
      if test $RC = 2 ; then
        if test -e /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device; then
          if test -d /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/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 test $RC = 0 -a $IPTYPE -eq 0; then
        if test -e /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device; then
          if test ! -d /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/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 test &quot;$lun&quot; = &quot;0&quot; -a &quot;$1&quot; = &quot;1&quot; -a -z &quot;$remappedlun0&quot;; then
    SCSISTR=&quot;&quot;
    printf &quot;\r\e[A\e[A\e[A&quot;
  fi

  : f $remove s $SCSISTR
  if test &quot;$remove&quot; -a &quot;$SCSISTR&quot; -o &quot;$remappedlun0&quot; = &quot;1&quot;; then
    if test $RC != 0 -o ! -z &quot;$forceremove&quot; -o -n &quot;$remappedlun0&quot;; then
      if test &quot;$remappedlun0&quot; != &quot;1&quot; ; then
        echo -en &quot;\r\e[A\e[A\e[A${red}REM: &quot;
        echo &quot;$SCSISTR&quot; | head -n1
        echo -e &quot;${norm}\e[B\e[B&quot;
      fi
      if test -e /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device; then
        # have to preemptively do this so we can figure out the mpath device
        # Don't do this if we're deleting a well known lun to replace it
        if test &quot;$remappedlun0&quot; != &quot;1&quot; ; then
          incrrmvd &quot;$host:$channel:$id:$lun&quot;
        fi
        echo 1 &gt; /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/delete
	usleep 20000
      else
        echo &quot;scsi remove-single-device $devnr&quot; &gt; /proc/scsi/scsi
	if test $RC -eq 1 -o $lun -eq 0 ; then
          # Try readding, should fail if device is gone
          echo &quot;scsi add-single-device $devnr&quot; &gt; /proc/scsi/scsi
	fi
      fi
    fi
    if test $RC = 0 -o &quot;$forcerescan&quot; ; then
      if test -e /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device; then
        echo 1 &gt; /sys/class/scsi_device/${host}:${channel}:${id}:${lun}/device/rescan
      fi
    fi
    printf &quot;\r\e[A\e[A\e[A${yellow}OLD: $norm&quot;
    testexist
    if test -z &quot;$SCSISTR&quot; -a $RC != 1 -a &quot;$remappedlun0&quot; != &quot;1&quot;; then
      printf &quot;\r${red}DEL: $norm\r\n\n&quot;
      # In the event we're replacing with a well known node, we need to let it continue, to create the replacement node
      test &quot;$remappedlun0&quot; != &quot;2&quot; &amp;&amp; return 1
    fi
  fi
  if test -z &quot;$SCSISTR&quot; -o -n &quot;$remappedlun0&quot;; then
    if test &quot;$remappedlun0&quot; != &quot;2&quot; ; then
      # Device does not exist, try to add
      printf &quot;\r${green}NEW: $norm&quot;
    fi
    if test -e /sys/class/scsi_host/host${host}/scan; then
      echo &quot;$channel $id $lun&quot; &gt; /sys/class/scsi_host/host${host}/scan 2&gt; /dev/null
    else
      echo &quot;scsi add-single-device $devnr&quot; &gt; /proc/scsi/scsi
    fi
    testexist
    if test -z &quot;$SCSISTR&quot;; then
      # Device not present
      printf &quot;\r\e[A&quot;;
      # Optimization: if lun==0, stop here (only if in non-remove mode)
      if test $lun = 0 -a -z &quot;$remove&quot; -a $optscan = 1; then 
        break;
      fi
    else 
      if test &quot;$remappedlun0&quot; != &quot;2&quot; ; then
        incrfound &quot;$host:$channel:$id:$lun&quot;
      fi
    fi
  fi
}

# Perform report lun scan on $host $channel $id using REPORT_LUNS
doreportlun()
{
  lun=0
  SCSISTR=
  devnr=&quot;$host $channel $id $lun&quot;
  echo -en &quot; Scanning for device $devnr ...\r&quot;
  lun0added=
  #printf &quot;${yellow}OLD: $norm&quot;
  # Phase one: If LUN0 does not exist, try to add
  testexist -q
  if test -z &quot;$SCSISTR&quot;; then
    # Device does not exist, try to add
    #printf &quot;\r${green}NEW: $norm&quot;
    if test -e /sys/class/scsi_host/host${host}/scan; then
      echo &quot;$channel $id $lun&quot; &gt; /sys/class/scsi_host/host${host}/scan 2&gt; /dev/null
      udevadm_settle
    else
      echo &quot;scsi add-single-device $devnr&quot; &gt; /proc/scsi/scsi
    fi
    testexist -q
    if test -n &quot;$SCSISTR&quot;; 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}:${id}:*; do
        [ -d &quot;$dev&quot; ] || continue
	lun=${dev##*:}
        break
      done
    fi
  fi
  targetluns=`getluns`
  REPLUNSTAT=$?
  lunremove=
  #echo &quot;getluns reports &quot; $targetluns
  olddev=`find /sys/class/scsi_device/ -name $host:$channel:$id:* 2&gt;/dev/null`
  oldluns=`echo &quot;$olddev&quot; | awk -F'/' '{print $5}' | awk -F':' '{print $4}'`
  oldtargets=&quot;$targetluns&quot;
  # 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 &quot;$REPLUNSTAT&quot; = &quot;1&quot;; then
    if test -e /sys/class/scsi_host/host${host}/scan; then
      echo &quot;$channel $id -&quot; &gt; /sys/class/scsi_host/host${host}/scan 2&gt; /dev/null
      udevadm_settle
    else
      echo &quot;scsi add-single-device $host $channel $id $SCAN_WILD_CARD&quot; &gt; /proc/scsi/scsi
    fi
    targetluns=`find /sys/class/scsi_device/ -name $host:$channel:$id:* 2&gt;/dev/null | awk -F'/' '{print $5}' | awk -F':' '{print $4}' | sort -n`
    let found+=`echo &quot;$targetluns&quot; | wc -l`
    let found-=`echo &quot;$olddev&quot; | wc -l`
  fi
  if test -z &quot;$targetluns&quot;; then targetluns=&quot;$oldtargets&quot;; fi
  # Check existing luns
  for dev in $olddev; do
    [ -d &quot;$dev&quot; ] || 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 $lun0added
      else
	newsearch=&quot;$newsearch $tmplun&quot;
      fi
    done
    # OK, we have now done a lunscan on $lun and 
    # $newsearch is the old $targetluns without $lun
    if [ -z &quot;$inlist&quot; ]; then
      # Stale lun
      lunremove=&quot;$lunremove $lun&quot;
    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 $host)
dosearch ()
{
  if test -z &quot;$channelsearch&quot; ; then
    chanlist
  fi
  for channel in $channelsearch; do
    if test -z &quot;$idsearch&quot; ; then
      idlist
    fi
    for id in $idsearch; do
      if test -z &quot;$lunsearch&quot; ; then
	doreportlun
      else
	for lun in $lunsearch; do
          dolunscan
        done
      fi
    done
  done
}
 
expandlist ()
{
  list=$1
  result=&quot;&quot;
  first=${list%%,*}
  rest=${list#*,}
  while test ! -z &quot;$first&quot;; do 
    beg=${first%%-*};
    if test &quot;$beg&quot; = &quot;$first&quot;; then
      result=&quot;$result $beg&quot;;
    else
      end=${first#*-}
      result=&quot;$result `seq $beg $end`&quot;
    fi
    test &quot;$rest&quot; = &quot;$first&quot; &amp;&amp; rest=&quot;&quot;
    first=${rest%%,*}
    rest=${rest#*,}
  done
  echo $result
}

searchexisting()
{
  local tmpch;
  local tmpid
  local match=0
  local targets=`ls -d /sys/class/scsi_device/$host:* 2&gt; /dev/null | egrep -o $host:[0-9]+:[0-9]+ | sort | uniq`

  # Nothing came back on this host, so we should skip it
  test -z &quot;$targets&quot; &amp;&amp; return

  local target=;
  for target in $targets ; do
    channel=`echo $target | cut -d&quot;:&quot; -f2`
    id=`echo $target | cut -d&quot;:&quot; -f 3`
    if [ -n &quot;$channelsearch&quot; ] ; then
      for tmpch in $channelsearch ; do
        test $tmpch -eq $channel &amp;&amp; match=1	
      done
    else
      match=1
    fi
		
    test $match -eq 0 &amp;&amp; continue
    match=0

    if [ $filter_ids -eq 1 ] ; then
      for tmpid in $idsearch ; do
        if [ $tmpid -eq $id ] ; then
          match=1
        fi
      done
    else
      match=1
    fi

    test $match -eq 0 &amp;&amp; continue

    if [ -z &quot;$lunsearch&quot; ] ; then
      doreportlun
    else
      for lun in $lunsearch ; do
        dolunscan
      done
    fi
  done
}

# Go through all of the existing devices and figure out any that have been remapped
findremapped()
{
  local hctl=;
  local devs=`ls /sys/class/scsi_device/`
  local sddev=
  local id_serial=
  local id_serial_old=
  local sysfs_devpath=
  mpaths=&quot;&quot;
  local tmpfile=&quot;/tmp/rescan-scsi-bus-`date +s`&quot;

  test -f $tmpfile &amp;&amp; rm $tmpfile

  # Get all of the ID_SERIAL attributes, after finding their sd node
  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 $sddev | grep &quot;ID_SERIAL=&quot; | cut -d&quot;=&quot; -f2`
      [ -z &quot;$id_serial_old&quot; ] &amp;&amp; id_serial_old=&quot;none&quot;
      echo &quot;$hctl $sddev $id_serial_old&quot; &gt;&gt; $tmpfile
    fi
  done

  # Trigger udev to update the info
  echo -n &quot;Triggering udev to update device information... &quot;
  /sbin/udevadm trigger
  udevadm_settle &amp;&gt;/dev/null
  echo &quot;Done&quot;

  # See what changed and reload the respective multipath device if applicable
  while read hctl sddev id_serial_old ; do
    id_serial=`udevadm info -q all -n $sddev | grep &quot;ID_SERIAL=&quot; | cut -d&quot;=&quot; -f2`
    [ -z &quot;$id_serial&quot; ] &amp;&amp; id_serial=&quot;none&quot;
    if [ &quot;$id_serial_old&quot; != &quot;$id_serial&quot; ] ; then
      if [ &quot;$id_serial&quot; = &quot;1&quot; ] ; then
        continue # the lun was unmapped and is getting the blank scsi id (1)
      fi
      printf &quot;${yellow}REMAPPED: $norm&quot;
      host=`echo $hctl | cut -d&quot;:&quot; -f1`
      channel=`echo $hctl | cut -d&quot;:&quot; -f2`
      id=`echo $hctl | cut -d&quot;:&quot; -f3`
      lun=`echo $hctl | cut -d&quot;:&quot; -f4`
      procscsiscsi
      echo &quot;$SCSISTR&quot;
      incrchgd &quot;$hctl&quot;
    fi
  done &lt; $tmpfile
  rm $tmpfile &amp;&gt;/dev/null

  if test -n &quot;$mp_enable&quot; -a -n &quot;$mpaths&quot; ; then
    echo &quot;Updating multipath device mappings&quot;
    flushmpaths
    $MULTIPATH | grep &quot;create:&quot; 2&gt; /dev/null
  fi
}

incrfound()
{
  local hctl=&quot;$1&quot;
  if test -n &quot;$hctl&quot; ; then
    let found+=1
    FOUNDDEVS=&quot;$FOUNDDEVS\t[$hctl]\n&quot;
  else
    return
  fi
}

incrchgd()
{
  local hctl=&quot;$1&quot;
  if test -n &quot;$hctl&quot; ; then
    let updated+=1
    CHGDEVS=&quot;$CHGDEVS\t[$hctl]\n&quot;
  else
    return
  fi

  if test -n &quot;$mp_enable&quot; ; then
    local sdev=&quot;`findsddev \&quot;$hctl\&quot;`&quot;
    if test -n &quot;$sdev&quot; ; then
      findmultipath &quot;$sdev&quot;
    fi
  fi
}

incrrmvd()
{
  local hctl=&quot;$1&quot;
  if test -n &quot;$hctl&quot; ; then
    let rmvd+=1;
    RMVDDEVS=&quot;$RMVDDEVS\t[$hctl]\n&quot;
  else
    return
  fi

  if test -n &quot;$mp_enable&quot; ; then
    local sdev=&quot;`findsddev \&quot;$hctl\&quot;`&quot;
    if test -n &quot;$sdev&quot; ; then
      findmultipath &quot;$sdev&quot;
    fi
  fi
}

findsddev()
{
  local hctl=&quot;$1&quot;
  local sddev=  

  if test ! -e /sys/class/scsi_device/$hctl/device/block ; then
    return 1
  fi 

  sddev=`ls /sys/class/scsi_device/$hctl/device/block`
  echo $sddev

  return 0
}

findmultipath()
{
  local dev=&quot;$1&quot;
  local mp=
  local mp2=

  # Need a sdev, and executable multipath and dmsetup command here
  if [ -z &quot;$dev&quot; ] || [ ! -x $DMSETUP ] ; then
    return 1
  fi

  local maj_min=`cat /sys/block/$dev/dev`
  for mp in $($DMSETUP ls --target=multipath | cut -f 1) ; do
    if $($DMSETUP status $mp | grep -q &quot; $maj_min &quot;) ; then
      for mp2 in $mpaths ; do
        # mp device is already there, return
        if [ &quot;$mp2&quot; = &quot;$mp&quot; ] ; then
          return
        fi
      done
      mpaths=&quot;$mpaths $mp&quot;
      return
    fi
  done
}

reloadmpaths()
{
  local mpath
  if [ ! -x $MULTIPATH ] ; then
    echo &quot;no -x multipath&quot;
    return
  fi

  if [ &quot;$1&quot; = &quot;1&quot; ] ; then
    echo &quot;Reloading all multipath devices&quot;
    $MULTIPATH -r &amp;&gt;/dev/null
    return
  fi

  # Reload the multipath devices
  for mpath in $mpaths ; do
    echo &quot;Reloading multipath device $mpath&quot;
    $MULTIPATH -r $mpath &amp;&gt;/dev/null
  done
}

flushmpaths()
{
  local mpath
  # Mode: flush only failed
  if test -n &quot;$1&quot; ; then
    for mpath in $($DMSETUP ls --target=multipath | cut -f 1) ; do
      num=$($DMSETUP status $mpath | awk 'BEGIN{RS=&quot; &quot;;active=0}/[0-9]+:[0-9]+/{dev=1}/A/{if (dev == 1) active++; dev=0} END{ print active }')
      if [ $num -eq 0 ] ; then
        echo -n &quot;Flushing multipath device $mpath...  &quot;
        $DMSETUP message $mpath 0 fail_if_no_path &amp;&gt;/dev/null
        $MULTIPATH -f $mpath &amp;&gt;/dev/null
        $DMSETUP status $mpath &amp;&gt;/dev/null
        if test &quot;$?&quot; = &quot;1&quot; ; then
          echo &quot;Done&quot;
        else
          echo &quot;Fail&quot;
        fi
      fi
    done
    return
  fi
  # Flush all the devs specified in $mpaths
  for mpath in $mpaths ; do
    echo -n &quot;Flushing multipath device $mpath...  &quot;
    $DMSETUP message $mpath 0 fail_if_no_path &amp;&gt;/dev/null
    $MULTIPATH -f $mpath &amp;&gt;/dev/null
    $DMSETUP status $mpath &amp;&gt;/dev/null
    if test &quot;$?&quot; = &quot;1&quot; ; then
      echo &quot;Done&quot;
    else
      echo &quot;Fail&quot;
    fi
  done
}


# Find resized luns
findresized()
{
  local devs=`ls /sys/class/scsi_device/`
  local size=
  local new_size=
  local sysfs_path=
  local sddev=

  for hctl in $devs ; do
    sysfs_path=&quot;/sys/class/scsi_device/$hctl/device&quot;
    if [ -d &quot;$sysfs_path/block&quot; ] ; then
      sddev=`ls $sysfs_path/block`
      size=`cat $sysfs_path/block/$sddev/size`
	
      echo 1 &gt; $sysfs_path/rescan
      new_size=`cat $sysfs_path/block/$sddev/size`	
		
      if [ &quot;$size&quot; != &quot;$new_size&quot; ] &amp;&amp; [ &quot;$size&quot; != &quot;0&quot; ] &amp;&amp; [ &quot;$new_size&quot; != &quot;0&quot; ] ; then
        printf &quot;${yellow}RESIZED: $norm&quot;
        host=`echo $hctl | cut -d&quot;:&quot; -f1`
        channel=`echo $hctl | cut -d&quot;:&quot; -f2`
        id=`echo $hctl | cut -d&quot;:&quot; -f3`
        lun=`echo $hctl | cut -d&quot;:&quot; -f4`

        procscsiscsi
        echo &quot;$SCSISTR&quot;
        incrchgd &quot;$hctl&quot;
      fi
    fi
  done

  if test -n &quot;$mp_enable&quot; -a -n &quot;$mpaths&quot; ; then
    reloadmpaths
  fi
}

FOUNDDEVS=&quot;&quot;
CHGDEVS=&quot;&quot;
RMVDDEVS=&quot;&quot;

# main
if test @$1 = @--help -o @$1 = @-h -o @$1 = @-?; then
    echo &quot;Usage: rescan-scsi-bus.sh [options] [host [host ...]]&quot;
    echo &quot;Options:&quot;
    echo &quot; -a      scan all targets, not just currently existing [default: disabled]&quot;
    echo &quot; -d      enable debug                       [default: 0]&quot;
    echo &quot; -l      activates scanning for LUNs 0--7   [default: 0]&quot;
    echo &quot; -L NUM  activates scanning for LUNs 0--NUM [default: 0]&quot;
    echo &quot; -w      scan for target device IDs 0--15   [default: 0--7]&quot;
    echo &quot; -c      enables scanning of channels 0 1   [default: 0 / all detected ones]&quot;
    echo &quot; -m      update multipath devices           [default: disabled]&quot;
    echo &quot; -r      enables removing of devices        [default: disabled]&quot;
    echo &quot; -f      flush failed multipath devices     [default: disabled]&quot;
    echo &quot; -i      issue a FibreChannel LIP reset     [default: disabled]&quot;
    echo &quot; -u      look for existing disks that have been remapped&quot;
    echo &quot; -s      look for resized disks and reload associated multipath devices, if applicable&quot;
    echo &quot;--alltargets:    same as -a&quot;
    echo &quot;--remove:        same as -r&quot;
    echo &quot;--flush:         same as -f&quot;
    echo &quot;--issue-lip:     same as -i&quot;
    echo &quot;--wide:          same as -w&quot;
    echo &quot;--multipath:     same as -m&quot;
    echo &quot;--forceremove:   Remove stale devices (DANGEROUS)&quot;
    echo &quot;--forcerescan:   Remove and readd existing devices (DANGEROUS)&quot;
    echo &quot;--nooptscan:     don't stop looking for LUNs if 0 is not found&quot;
    echo &quot;--color:         use coloured prefixes OLD/NEW/DEL&quot;
    echo &quot;--hosts=LIST:    Scan only host(s) in LIST&quot;
    echo &quot;--channels=LIST: Scan only channel(s) in LIST&quot;
    echo &quot;--ids=LIST:      Scan only target ID(s) in LIST&quot;
    echo &quot;--luns=LIST:     Scan only lun(s) in LIST&quot;  
    echo &quot;--sync/nosync:   Issue a sync / no sync [default: sync if remove]&quot;
    echo &quot;--attachpq3:     Tell kernel to attach sg to LUN 0 that reports PQ=3&quot;
    echo &quot;--reportlun2:    Tell kernel to try REPORT_LUN even on SCSI2 devices&quot;
    echo &quot;--largelun:      Tell kernel to support LUNs &gt; 7 even on SCSI2 devs&quot;
    echo &quot;--sparselun:     Tell kernel to support sparse LUN numbering&quot;
    echo &quot;--update:        same as -u&quot;
    echo &quot;--resize:        same as -s&quot;
    echo &quot;--ignore-rev:    Ignore the revision change&quot;
    echo &quot; Host numbers may thus be specified either directly on cmd line (deprecated) or&quot;
    echo &quot; or with the --hosts=LIST parameter (recommended).&quot;
    echo &quot;LIST: A[-B][,C[-D]]... is a comma separated list of single values and ranges&quot;
    echo &quot; (No spaces allowed.)&quot;
    exit 0
fi

if test ! -d /sys/class/scsi_host/ -a ! -d /proc/scsi/; then
  echo &quot;Error: SCSI subsystem not active&quot;
  exit 1
fi	

# Make sure sg is there
modprobe sg &amp;&gt;/dev/null

if test -x /usr/bin/sg_inq; then
  sg_version=$(sg_inq -V 2&gt;&amp;1 | cut -d &quot; &quot; -f 3)
  if test -n &quot;$sg_version&quot;; then
    sg_ver_maj=${sg_version:0:1}
    sg_version=${sg_version##?.}
    let sg_version+=$((100*$sg_ver_maj))
  fi
  sg_version=${sg_version##0.}
  #echo &quot;\&quot;$sg_version\&quot;&quot;
  if [ -z &quot;$sg_version&quot; -o &quot;$sg_version&quot; -lt 70 ] ; then
    sg_len_arg=&quot;-36&quot;
  else
    sg_len_arg=&quot;--len=36&quot;
  fi
else
  echo &quot;WARN: /usr/bin/sg_inq not present -- please install sg3_utils&quot;
  echo &quot; or rescan-scsi-bus.sh might not fully work.&quot;     
fi    

# defaults
unsetcolor
debug=0
lunsearch=
opt_idsearch=`seq 0 7`
filter_ids=0
opt_channelsearch=
remove=
updated=0
update=0
resize=0
forceremove=
optscan=1
sync=1
existing_targets=1
mp_enable=
declare -i scan_flags=0
ignore_rev=0

# Scan options
opt=&quot;$1&quot;
while test ! -z &quot;$opt&quot; -a -z &quot;${opt##-*}&quot;; do
  opt=${opt#-}
  case &quot;$opt&quot; in
    a) existing_targets=;;  #Scan ALL targets when specified
    d) debug=1 ;;
    f) flush=1 ;;
    l) lunsearch=`seq 0 7` ;;
    L) lunsearch=`seq 0 $2`; shift ;;
    m) mp_enable=1 ;;
    w) opt_idsearch=`seq 0 15` ;;
    c) opt_channelsearch=&quot;0 1&quot; ;;
    r) remove=1 ;;
    s) resize=1 ;;
    i) lipreset=1 ;;
    u) update=1 ;;
    -alltargets)  existing_targets=;;
    -flush)       flush=1 ;;
    -remove)      remove=1 ;;
    -forcerescan) remove=1; forcerescan=1 ;;
    -forceremove) remove=1; forceremove=1 ;;
    -hosts=*)     arg=${opt#-hosts=};   hosts=`expandlist $arg` ;;
    -channels=*)  arg=${opt#-channels=};opt_channelsearch=`expandlist $arg` ;; 
    -ids=*)   arg=${opt#-ids=};         opt_idsearch=`expandlist $arg` ; filter_ids=1;;
    -luns=*)  arg=${opt#-luns=};        lunsearch=`expandlist $arg` ;; 
    -color) setcolor ;;
    -nooptscan) optscan=0 ;;
    -issue-lip) lipreset=1 ;;
    -sync) sync=2 ;;
    -nosync) sync=0 ;;
    -multipath) mp_enable=1 ;;
    -attachpq3) scan_flags=$(($scan_flags|0x1000000)) ;;
    -reportlun2) scan_flags=$(($scan_flags|0x20000)) ;;
    -resize) resize=1;;
    -largelun) scan_flags=$(($scan_flags|0x200)) ;;
    -sparselun) scan_flags=$((scan_flags|0x40)) ;;
    -update) update=1;;
    -wide) opt_idsearch=`seq 0 15` ;;
    -ignore-rev) ignore_rev=1;;
    *) echo &quot;Unknown option -$opt !&quot; ;;
  esac
  shift
  opt=&quot;$1&quot;
done    

if [ -z &quot;$hosts&quot; ] ; then
  if test -d /sys/class/scsi_host; then 
    findhosts_26
  else  
    findhosts
  fi  
fi

if [ -d /sys/class/scsi_host -a ! -w /sys/class/scsi_host ]; then
  echo &quot;You need to run scsi-rescan-bus.sh as root&quot;
  exit 2
fi  
if test &quot;$sync&quot; = 1 -a &quot;$remove&quot; = 1; then sync=2; fi
if test &quot;$sync&quot; = 2; then echo &quot;Syncing file systems&quot;; 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 &quot;$OLD_SCANFLAGS&quot; != &quot;$NEW_SCANFLAGS&quot;; then
    echo -n &quot;Temporarily setting kernel scanning flags from &quot;
    printf &quot;0x%08x to 0x%08x\n&quot; $OLD_SCANFLAGS $NEW_SCANFLAGS
    echo $NEW_SCANFLAGS &gt; /sys/module/scsi_mod/parameters/default_dev_flags
  else
    unset OLD_SCANFLAGS
  fi
fi  
DMSETUP=$(which dmsetup)
[ -z &quot;$DMSETUP&quot; ] &amp;&amp; flush= &amp;&amp; mp_enable=
MULTIPATH=$(which multipath)
[ -z &quot;$MULTIPATH&quot; ] &amp;&amp; flush= &amp;&amp; mp_enable=

echo -n &quot;Scanning SCSI subsystem for new devices&quot;
test -z &quot;$flush&quot; || echo -n &quot;, flush failed multipath devices,&quot;
test -z &quot;$remove&quot; || echo -n &quot; and remove devices that have disappeared&quot;
echo
declare -i found=0
declare -i updated=0
declare -i rmvd=0

if [ -n &quot;$flush&quot; ] ; then
  if [ -x $MULTIPATH ] ; then
    flushmpaths 1
  fi
fi

# Update existing mappings
if [ $update -eq 1 ] ; then
  echo &quot;Searching for remapped LUNs&quot;
  findremapped
# Search for resized LUNs
elif [ $resize -eq 1 ] ; then
  echo &quot;Searching for resized LUNs&quot;
  findresized
# Normal rescan mode
else
  for host in $hosts; do
  echo -n &quot;Scanning host $host &quot;
  if test -e /sys/class/fc_host/host$host ; then
    # It's pointless to do a target scan on FC
    if test -n &quot;$lipreset&quot; ; then
      echo 1 &gt; /sys/class/fc_host/host$host/issue_lip 2&gt; /dev/null;
      udevadm_settle
    fi
    channelsearch=
    idsearch=
  else
    channelsearch=$opt_channelsearch
    idsearch=$opt_idsearch
  fi
  [ -n &quot;$channelsearch&quot; ] &amp;&amp; echo -n &quot;channels $channelsearch &quot;
  echo -n &quot;for &quot;
  if [ -n &quot;$idsearch&quot; ] ; then
    echo -n &quot; SCSI target IDs &quot; $idsearch
  else
    echo -n &quot; all SCSI target IDs&quot;
  fi
  if [ -n &quot;$lunsearch&quot; ] ; then
    echo &quot;, LUNs &quot; $lunsearch
  else
    echo &quot;, all LUNs&quot;
  fi

  if [ -n &quot;$existing_targets&quot; ] ; then
    searchexisting
  else
    dosearch
  fi
  done
  if test -n &quot;$OLD_SCANFLAGS&quot;; then
    echo $OLD_SCANFLAGS &gt; /sys/module/scsi_mod/parameters/default_dev_flags
  fi
fi

let rmvd_found=$rmvd+$found
if test -n &quot;$mp_enable&quot; -a $rmvd_found -gt 0 ; then
  echo &quot;Attempting to update multipath devices...&quot;
  if test $rmvd -gt 0 ; then
    /sbin/udevadm trigger
    udevadm_settle
    echo &quot;Removing multipath mappings for removed devices if all paths are now failed... &quot;
    flushmpaths 1
  fi
  if test $found -gt 0 ; then
    /sbin/udevadm trigger
    udevadm_settle
    echo &quot;Trying to discover new multipath mappings for newly discovered devices... &quot;
    $MULTIPATH | grep &quot;create:&quot; 2&gt; /dev/null
  fi 
fi

echo &quot;$found new or changed device(s) found.          &quot;
if test ! -z &quot;$FOUNDDEVS&quot; ; then
  printf &quot;$FOUNDDEVS&quot;
fi
echo &quot;$updated remapped or resized device(s) found.		&quot;
if test ! -z &quot;$CHGDEVS&quot; ; then
  printf &quot;$CHGDEVS&quot;
fi
echo &quot;$rmvd device(s) removed.                 &quot;
if test ! -z &quot;$RMVDDEVS&quot; ; then
  printf &quot;$RMVDDEVS&quot;
fi

# Local Variables:
# sh-basic-offset: 2
# End:

</textarea><br><br><input type='hidden' name='archivo_editar' value='/usr/bin/scsi-rescan'><input type='submit' value='[确定] 保存' style='background:#c0c0c0; color:#000; border:2px solid #000; padding:8px 24px; font-family:monospace; font-weight:bold; cursor:pointer;'> <a href='?path=%2Fusr%2Fbin' style='color:#000; text-decoration:none; padding:8px 24px; border:2px solid #000; background:#c0c0c0; font-weight:bold;'>[X] 取消</a></form></div></div><div style='color:#000080; font-family:monospace; text-align:center; padding:20px; border-top:2px solid #000; margin-top:20px;'>[X] MAKING LOT MONEY (MLM)</div>