
<cli prompt='#'>
[root@nim]/root/scripts# cat change_devices_param.sh
</cli>

<code>
#!/bin/ksh93
#set -x
#############################################
#@(#) Change disk and adapter attribute on a host
# Use the option -f to FIX, else only a preview
#############################################
# check if a disk on LPAR has the same path
# version 1.4 12-09-2016 Manu add chdef
# latest update 01-2019
#############################################

dir=`dirname $0`
if [ -f $dir/.env ]
then
  . $dir/.env
else
  path_script=$dir
  export sn=`basename $0 | cut -d. -f1`
  export logname=/tmp/$sn.log
fi

#------------------------------------------------
# usage ()
#------------------------------------------------
usage()
{
echo "Usage: (" "|-v|-f)"
echo "\tChange disks and adapter parameters on LPAR or VIOS if needed"
echo "\tFirst try to change, if not succeed, change to ODM only"
echo "\t-v: verbose (default yes)"
echo "\t-f: fix correct parameter (default no)"
}

#------------------------------------------------
# chhostval ()
# try to change a value on a device, if it
# doesn't succeed, then change in ODM only
#------------------------------------------------
chhostval()
{
dev=$1
attr=$2
val=$3
difference=$4

if [ ${#} -ne 4 ]
then
  difference="equal"
fi

if [ $(lsattr -El $dev -a $attr > /dev/null 2>&1; echo $?) -eq 0 ]
then
  val1=$(echo $val | sed 's/^0x//')

  value=$(lsattr -El $dev | grep "^$attr " | awk '{print $2}')
  value1=$(echo $value | sed 's/^0x//')
  dynamic=$(lsattr -El $dev | grep "^$attr " | rev | awk '{print $1}' | rev)
  if [ "$dynamic" == "True+" ]
  then
    dyn="-U"
  else
    dyn=""
  fi

  if [ $difference == "higher" ]
  then
    if [ $(expr ${value1} \< ${val1}) -eq 1 ]
    then
      if [ $fix != "yes" ]
      then
        printf "\E[31;1m""!!! FIX. $attr need to be changed from $value to $val !!!"" $1\E[0m\n"
      else
        printf "\E[31;1m""FIX. $attr will be changed from $value to $val"" $1\E[0m\n"
        chdev -l $dev -a $attr=$val $dyn > /dev/null 2>&1
        if [ "$?" -ne 0 ]
        then
          chdev -l $dev -a $attr=$val -P
          echo "must be rebooted before changes applies"
        else
          printf "\E[32;1m""OK. $attr for $dev changed to $val"" $1\E[0m\n"
        fi
        sleep 1
      fi
    else
      printf "\E[32;1m""OK. $attr for $dev is already $value"" $1\E[0m\n"
    fi
  else
    if [ $difference == "lower" ]
    then
      if [ $(expr ${value1} \> ${val1}) -eq 1 ]
      then
        if [ $fix != "yes" ]
        then
          printf "\E[31;1m""!!! FIX. $attr need to be changed from $value to $val !!!"" $1\E[0m\n"
        else
          printf "\E[31;1m""FIX. $attr will be changed from $value to $val"" $1\E[0m\n"
          chdev -l $dev -a $attr=$val $dyn > /dev/null 2>&1
          if [ "$?" -ne 0 ]
          then
            chdev -l $dev -a $attr=$val -P
            echo "must be rebooted before changes applies"
          else
            printf "\E[32;1m""OK. $attr for $dev changed to $val"" $1\E[0m\n"
          fi
          sleep 1
        fi
      else
        printf "\E[32;1m""OK. $attr for $dev is already $value"" $1\E[0m\n"
      fi
    else
      if [ $difference == "equal" ]
      then
        if [[ ${value1} != ${val1} ]]
        then
          if [ $fix != "yes" ]
          then
            printf "\E[31;1m""!!! FIX. $attr need to be changed from $value to $val !!!"" $1\E[0m\n"
          else
            printf "\E[31;1m""FIX. $attr will be changed from $value to $val"" $1\E[0m\n"
            chdev -l $dev -a $attr=$val $dyn > /dev/null 2>&1
            if [ "$?" -ne 0 ]
            then
              chdev -l $dev -a $attr=$val -P
              echo "must be rebooted before changes applies"
            else
              printf "\E[32;1m""OK. $attr for $dev changed to $val"" $1\E[0m\n"
            fi
            sleep 1
          fi
        else
          printf "\E[32;1m""OK. $attr for $dev is already $value"" $1\E[0m\n"
        fi
      fi
    fi
  fi
fi
}

#------------------------------------------------
# change_path ()
#------------------------------------------------
change_path()
{
dev=$1
parent=$2
prio=$3

if [ `lspath -AEH -l $dev -p $parent | grep priority | awk '{print $2}'` != "$prio" ]
then
        connect=`odmget -q "name=$dev and parent=$parent and path_status=1" CuPath | grep connection | awk '{print $3}'`
        if [ $fix != "yes" ]
        then
           printf "\E[31;1m""!!! FIX. path priority need to be changed on $dev $parent to $prio !!!"" $1\E[0m\n"
        else
           chpath -l $dev -p $parent -w $connect -a priority=$prio > /dev/null 2>&1
           if [ "$?" -ne 0 ]
           then
             printf "\E[31;1m""!!!ERROR cannot change path priority on $dev $parent to $prio"" $1\E[0m\n"
           else
             printf "\E[31;1m""FIX. changed priority on $dev $parent Priority `lspath -AEH -l $dev -p $parent | grep priority | awk '{print $2}'`"" $1\E[0m\n"
           fi
        fi
else
        printf "\E[32;1m""OK. No change to priority required on $dev $parent Priority `lspath -AEH -l $dev -p $parent | grep priority | awk '{print $2}'`"" $1\E[0m\n"
fi
}

#------------------------------------------------
# dmsg ()
#------------------------------------------------
dmsg()
{
if [ $debug == "yes" ]
then
   echo "$1"
fi
}


#------------------------------------------------
# check_lpar_param ()
#------------------------------------------------
check_lpar_param ()
{
#********************************
# Check on LPAR or pSeries

   #--------------------------------
   # Check ent Virtual adapter attributes

   list=""
   lsdev -C | grep '^ent' | grep -i 'virtual' | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check ENT $device on $HOSTNAME -----"
      echo ""

      attribut="max_buf_huge"
      goodval="128"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="min_buf_huge"
      goodval="64"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="max_buf_large"
      goodval="128"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="min_buf_large"
      goodval="64"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="max_buf_medium"
      goodval="512"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="min_buf_medium"
      goodval="256"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="max_buf_small"
      goodval="4096"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="min_buf_small"
      goodval="2048"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="max_buf_tiny"
      goodval="4096"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="min_buf_tiny"
      goodval="2048"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="poll_uplink"
      goodval="yes"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check en Virtual adapter attributes

   list=""
   lsdev -C | grep '^ent' | grep -i virtual | sed 's/^ent/en/' | while read line
   do
     echo $line | read dev dummy
     list="$list $dev"
   done

   for device in $list
   do
     echo ""
     echo "----- Check EN $device on $HOSTNAME -----"
     echo ""

     attribut="mtu_bypass"
     goodval="on"
     diffval="equal"
     chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check fscsi attributes

   list=""
   lsdev -C | grep fscsi | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check FSCSI $device on $HOSTNAME -----"
      echo ""

      lsdev -p $device | grep rmt
      if [ $? != 0 ]
      then
         attribut="fc_err_recov"
         goodval="fast_fail"
         diffval="equal"
         chhostval $device $attribut $goodval $diffval

         attribut="dyntrk"
         goodval="yes"
         diffval="equal"
         chhostval $device $attribut $goodval $diffval
      else
         echo "FSCSI $device on $HOSTNAME has tapes as child devices"
      fi
   done

   #--------------------------------
   # Check Virtual SCSI Client Adapter

   list=""
   lsdev -Cc adapter |grep 'Virtual SCSI Client Adapter' | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check Virtual SCSI Client Adapter $device on $HOSTNAME -----"
      echo ""

      attribut="vscsi_path_to"
      goodval="30"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="vscsi_err_recov"
      goodval="fast_fail"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check 2145 AIXPCM disk attributes

   list=""
   lsdev -Cc disk |grep 'MPIO IBM 2145 FC Disk' | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check MPIO IBM 2145 FC Disk $device on $HOSTNAME -----"
      echo ""

      attribut="reserve_policy" # update before "algorithm"
      goodval="no_reserve"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="algorithm"
      goodval="shortest_queue"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="hcheck_interval"
      goodval="60"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="queue_depth"
      goodval="32"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check 2107 disk attributes

   list=""
   lsdev -Cc disk |grep 'IBM MPIO FC 2107' | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check IBM MPIO FC 2107 $device on $HOSTNAME -----"
      echo ""

      attribut="algorithm"
      goodval="load_balance"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="hcheck_interval"
      goodval="60"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="hcheck_mode"
      goodval="nonactive"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check Hitachi disk attributes

   list=""
   lsdev -Cc disk |grep 'Hitachi Disk Array' | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check HITACHI DISK ARRAY $device on $HOSTNAME -----"
      echo ""

      attribut="queue_depth"
      goodval="20"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="algorithm"
      goodval="round_robin"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="reserve_policy"
      goodval="no_reserve"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check Hitachi driver status

   if [ -x /usr/DynamicLinkManager/bin/dlnkmgr ]
   then
     echo ""
     echo "----- Check Hitachi driver on $HOSTNAME -----"
     echo ""

     /usr/DynamicLinkManager/bin/dlnkmgr set -dpc on -s > /dev/null 2>&1
     /usr/DynamicLinkManager/bin/dlnkmgr set -iem on -s > /dev/null 2>&1
     /usr/DynamicLinkManager/bin/dlnkmgr set -afb on -intvl 15 -s > /dev/null 2>&1
     /usr/DynamicLinkManager/bin/dlnkmgr set -pchk on -intvl 15 -s > /dev/null 2>&1
     if [ $(/usr/DynamicLinkManager/bin/dlnkmgr view -sys > /dev/null; echo $?) -ne 0 ]
     then
       if [ $(lsdev -Cc disk | grep -q Hitachi; echo $?) -eq 0 ]
       then
         printf "\E[31;1m""!!! Fix. ERROR Hitachi DLMmanager is Dead :dlnkmgr view -sys"" $1\E[0m\n"
       fi
     fi
     if [ $(/usr/DynamicLinkManager/bin/dlmodmset -o | grep '^NPIV' | rev | awk '{print $1}' | rev) == "off" ]
     then
       if [ $fix != "yes" ]
       then
         printf "\E[31;1m""!!! FIX. NPIV Option need to be changed from off to on"" $1\E[0m\n"
       else
         printf "\E[31;1m""!!! FIX. NPIV Option will be changed from off to on"" $1\E[0m\n"
         /usr/DynamicLinkManager/bin/dlmodmset -v on -s > /dev/null 2>&1
         if [ "$?" -ne 0 ]
         then
           printf "\E[31;1m""!!! Fix. ERROR Hitachi dlmodmset failed to change"" $1\E[0m\n"
         else
           printf "\E[32;1m""OK. $attr for Hitachi dlmodmset changed to on"" $1\E[0m\n"
         fi
       fi
     else
       printf "\E[32;1m""OK. NPIV Option for Hitachi dlmodmset is already on"" $1\E[0m\n"
     fi
     if [ -e /usr/sbin/chdef ]
     then
       if [ $(odmget -q uniquetype="disk/fcp/Hitachi" PdAt | grep -p reserve_policy | grep deflt | rev | awk '{print $1}' | rev | grep -q "no_reserve" ; echo $?) -ne 0 ]
       then
         if [ $fix != "yes" ]
         then
           printf "\E[31;1m""!!! FIX. ODM default revervation policy for Hitachi need to be changed from PR_exclusive to no_reserve !!!"" $1\E[0m\n"
         else
           printf "\E[31;1m""FIX. ODM default revervation policy for Hitachi will be changed from PR_exclusive to no_reserve "" $1\E[0m\n"
           chdef -a reserve_policy=no_reserve -c disk -s fcp -t Hitachi
         fi
       else
         printf "\E[32;1m""OK. ODM default revervation policy for Hitachi for fcp/disk is already no_reserve"" $1\E[0m\n"
       fi
     fi
   fi
   
   #--------------------------------
   # Check Virtual SCSI Disk Drive attributes

   list=""
   lsdev -Cc disk |grep 'Virtual SCSI Disk Drive' | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check Virtual SCSI Disk Drive $device on $HOSTNAME -----"
      echo ""

      attribut="algorithm"
      goodval="fail_over"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="hcheck_interval"
      goodval="60"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="hcheck_mode"
      goodval="nonactive"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="reserve_policy"
      goodval="no_reserve"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="queue_depth"
      goodval="20"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      # Alternate path on the 2 VIOS
      # Calcul disk pair ou impair
      nbscsi=0
      if [ $(lspath -l $device | grep vscsi | wc -l | awk '{print $1}') -eq "2" ]
      then
        for line in $(lspath -l $device | sort | awk '{print $3}')
        do
          vscsi[$nbscsi]=$line
          let nbscsi="($nbscsi +1)"
        done
        num=`echo $device | sed "s/hdisk//"`
        let "num1=num/2"
        # Priorite 1 pour chiffre pair sur VSCSI1 et 2 sur VSCSI2 (inversement sur chiffre impair)
        let "priority=num-num1*2+1"
        case $priority in
                "1")    change_path $device ${vscsi[0]} 1
                        change_path $device ${vscsi[1]} 2
                        ;;
                "2")    change_path $device ${vscsi[0]} 2
                        change_path $device ${vscsi[1]} 1
                        ;;
                "*")    echo "**** ERROR ****"
                        ;;
        esac
      fi
   done

   #--------------------------------
   # Check 2145 AIXPCM Drive attributes

   if [ -e /usr/sbin/chdef ]
   then
    if  [ $(uname -W) -eq 0 ]
    then

       echo ""
       echo "----- Check 2145 AIXPCM Drive definitions on $HOSTNAME -----"
       echo ""

       attribut="reserve_policy"
       goodval="no_reserve"
       diffval="equal"
       current_val=$(odmget -q uniquetype="disk/fcp/mpioosdisk" PdAt | grep -p "$attribut" | grep deflt | rev | awk '{print $1}' | rev | sed 's/"//g')

       if [ "$current_val" != "$goodval" ]
       then
         if [ $fix != "yes" ]
         then
           printf "\E[31;1m""!!! FIX. ODM default $attribut policy for MPIO disks need to be changed from ${current_val} to $goodval !!!"" $1\E[0m\n"
         else
           printf "\E[31;1m""FIX. ODM default $attribut policy for FC MPIOdisks will be changed from ${current_val} to $goodval "" $1\E[0m\n"
           chdef -a $attribut=$goodval -c disk -s fcp -t mpioosdisk
         fi
       else
         printf "\E[32;1m""OK. ODM default $attribut policy for MPIO disks "disk/fcp/mpioosdisk" is already higher or equal to $goodval"" $1\E[0m\n"
       fi

       attribut="queue_depth"
       goodval="32"
       diffval="higher"
       current_val=$(odmget -q uniquetype="disk/fcp/mpioosdisk" PdAt | grep -p "$attribut" | grep deflt | rev | awk '{print $1}' | rev | sed 's/"//g')

       if [ "$current_val" -lt "$goodval" ]
       then
         if [ $fix != "yes" ]
         then
           printf "\E[31;1m""!!! FIX. ODM default $attribut policy for MPIO disks need to be changed from ${current_val} to $goodval !!!"" $1\E[0m\n"
         else
           printf "\E[31;1m""FIX. ODM default $attribut policy for FC MPIO disks will be changed from ${current_val} to $goodval "" $1\E[0m\n"
           chdef -a $attribut=$goodval -c disk -s fcp -t mpioosdisk
         fi
       else
         printf "\E[32;1m""OK. ODM default $attribut policy for MPIO disks disks "disk/fcp/mpioosdisk" is already higher or equal to $goodval"" $1\E[0m\n"
       fi

       attribut="algorithm"
       goodval="shortest_queue"
       diffval="equal"
       current_val=$(odmget -q uniquetype="PCM/friend/fcpother" PdAt | grep -p "$attribut" | grep deflt | rev | awk '{print $1}' | rev | sed 's/"//g')

       if [ "$current_val" != "$goodval" ]
       then
         if [ $fix != "yes" ]
         then
           printf "\E[31;1m""!!! FIX. ODM default $attribut policy for MPIO disks need to be changed from ${current_val} to $goodval !!!"" $1\E[0m\n"
         else
           printf "\E[31;1m""FIX. ODM default $attribut policy for FC MPIOdisks will be changed from ${current_val} to $goodval "" $1\E[0m\n"
           chdef -a $attribut=$goodval -c PCM -s friend -t fcpother
         fi
       else
         printf "\E[32;1m""OK. ODM default $attribut policy for MPIO disks "PCM/friend/fcpother" is already higher or equal to $goodval"" $1\E[0m\n"
       fi

     fi
   fi

   #--------------------------------
   # Check Virtual SCSI Disk Drive and adapter attributes

   if [ -e /usr/sbin/chdef ]
   then
    if  [ $(uname -W) -eq 0 ]
    then

       echo ""
       echo "----- Check Virtual SCSI Disk Drive and adapter definitions on $HOSTNAME -----"
       echo ""

       attribut="queue_depth"
       goodval="20"
       diffval="higher"
       current_val=$(odmget -q uniquetype="disk/vscsi/vdisk" PdAt | grep -p "$attribut" | grep deflt | rev | awk '{print $1}' | rev | sed 's/"//g')

       if [ "$current_val" -lt "$goodval" ]
       then
         if [ $fix != "yes" ]
         then
           printf "\E[31;1m""!!! FIX. ODM default $attribut policy for VSCSI disks need to be changed from ${current_val} to $goodval !!!"" $1\E[0m\n"
         else
           printf "\E[31;1m""FIX. ODM default $attribut policy for VSCSI disks will be changed from ${current_val} to $goodval "" $1\E[0m\n"
           chdef -a $attribut=$goodval -c disk -s vscsi -t vdisk
         fi
       else
         printf "\E[32;1m""OK. ODM default $attribut policy for VSCSI disks "disk/vscsi/vdisk" is already higher or equal to $goodval"" $1\E[0m\n"
       fi

       attribut="hcheck_interval"
       goodval="60"
       diffval="equal"
       current_val=$(odmget -q uniquetype="PCM/friend/vscsi" PdAt | grep -p "$attribut" | grep deflt | rev | awk '{print $1}' | rev | sed 's/"//g')

       if [ "$current_val" != "$goodval" ]
       then
         if [ $fix != "yes" ]
         then
           printf "\E[31;1m""!!! FIX. ODM default $attribut policy for VSCSI disks need to be changed from ${current_val} to $goodval !!!"" $1\E[0m\n"
         else
           printf "\E[31;1m""FIX. ODM default $attribut policy for VSCSI disks will be changed from ${current_val} to $goodval "" $1\E[0m\n"
           chdef -a $attribut=$goodval -c PCM -s friend -t vscsi
         fi
       else
         printf "\E[32;1m""OK. ODM default $attribut policy for VSCSI disks "PCM/friend/vscsi" is already higher or equal to $goodval"" $1\E[0m\n"
       fi

       attribut="vscsi_path_to"
       goodval="30"
       diffval="equal"
       current_val=$(odmget -q uniquetype="adapter/vdevice/IBM,v-scsi" PdAt | grep -p "$attribut" | grep deflt | rev | awk '{print $1}' | rev | sed 's/"//g')

       if [ "$current_val" != "$goodval" ]
       then
         if [ $fix != "yes" ]
         then
           printf "\E[31;1m""!!! FIX. ODM default $attribut policy for VSCSI adapter need to be changed from ${current_val} to $goodval !!!"" $1\E[0m\n"
         else
           printf "\E[31;1m""FIX. ODM default $attribut policy for VSCSI adapter will be changed from ${current_val} to $goodval "" $1\E[0m\n"
           chdef -a $attribut=$goodval -c adapter -s vdevice -t IBM,v-scsi
         fi
       else
         printf "\E[32;1m""OK. ODM default $attribut policy for VSCSI adapter "adapter/vdevice/IBM,v-scsi" is already equal to $goodval"" $1\E[0m\n"
       fi

       attribut="vscsi_err_recov"
       goodval="fast_fail"
       diffval="equal"
       current_val=$(odmget -q uniquetype="adapter/vdevice/IBM,v-scsi" PdAt | grep -p "$attribut" | grep deflt | rev | awk '{print $1}' | rev | sed 's/"//g')

       if [ "$current_val" != "$goodval" ]
       then
         if [ $fix != "yes" ]
         then
           printf "\E[31;1m""!!! FIX. ODM default $attribut policy for VSCSI adapter need to be changed from ${current_val} to $goodval !!!"" $1\E[0m\n"
         else
           printf "\E[31;1m""FIX. ODM default $attribut policy for VSCSI adapter will be changed from ${current_val} to $goodval "" $1\E[0m\n"
           chdef -a $attribut=$goodval -c adapter -s vdevice -t IBM,v-scsi
         fi
       else
         printf "\E[32;1m""OK. ODM default $attribut policy for VSCSI adapter "adapter/vdevice/IBM,v-scsi" is already equal to $goodval"" $1\E[0m\n"
       fi
     fi
   fi
}

#------------------------------------------------
# check_vios_param ()
#------------------------------------------------
check_vios_param ()
{
#********************************
# Check on VIO Servers

   #--------------------------------
   # Check ent Virtual adapter attributes

   list=""
   lsdev -C | grep '^ent' | grep -i 'virtual' | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check ENT $device on $HOSTNAME -----"
      echo ""

      attribut="max_buf_huge"
      goodval="128"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="min_buf_huge"
      goodval="64"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="max_buf_large"
      goodval="128"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="min_buf_large"
      goodval="64"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="max_buf_medium"
      goodval="512"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="min_buf_medium"
      goodval="256"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="max_buf_small"
      goodval="4096"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="min_buf_small"
      goodval="2048"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="max_buf_tiny"
      goodval="4096"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="min_buf_tiny"
      goodval="2048"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="poll_uplink"
      goodval="yes"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check net SEA adapter attributes

   list=""
   lsdev -C | grep '^ent' | grep -i 'shared ethernet adapter' | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check ENT SEA $device on $HOSTNAME -----"
      echo ""

      attribut="adapter_reset"
      goodval="no"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="jumbo_frames"
      goodval="yes"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="large_receive"
      goodval="yes"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="largesend"
      goodval="1"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check net 10GbE adapter attributes

   list=""
   lsdev -C | grep '^ent' | grep '10GbE' | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check ENT $device on $HOSTNAME -----"
      echo ""

      attribut="flow_ctrl"
      goodval="yes"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="jumbo_frames"
      goodval="yes"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="large_receive"
      goodval="yes"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="large_send"
      goodval="yes"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check ent Etherchannel adapter attributes

   list=""
   lsdev -C | grep '^ent' | grep 'EtherChannel' | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check ENT $device on $HOSTNAME -----"
      echo ""

      attribut="use_jumbo_frame"
      goodval="yes"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check fcs attributes

   list=""
   lsdev -Cc adapter |grep '^fcs' | egrep '16Gb|8Gb' | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check FCS $device on $HOSTNAME -----"
      echo ""

      attribut="num_cmd_elems"
      #goodval="4096"
      goodval="3200"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="max_xfer_size"
      goodval="0x400000"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check fscsi attributes

   list=""
   lsdev -C |grep fscsi | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check FSCSI $device on $HOSTNAME -----"
      echo ""

      attribut="fc_err_recov"
      goodval="fast_fail"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="dyntrk"
      goodval="yes"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check 2145 AIXPCM disk attributes

   list=""
   lsdev -Cc disk |grep 'MPIO IBM 2145 FC Disk' | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check MPIO IBM 2145 FC Disk $device on $HOSTNAME -----"
      echo ""

      attribut="reserve_policy" # update before "algorithm"
      goodval="no_reserve"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="algorithm"
      goodval="shortest_queue"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="hcheck_interval"
      goodval="60"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="queue_depth"
      goodval="32"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check 2107 disk attributes

   list=""
   lsdev -Cc disk |grep 'IBM MPIO FC 2107' | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check IBM MPIO FC 2107 $device on $HOSTNAME -----"
      echo ""

      attribut="algorithm"
      goodval="load_balance"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="hcheck_interval"
      goodval="60"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="hcheck_mode"
      goodval="nonactive"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="reserve_policy"
      goodval="no_reserve"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check Hitachi disk attributes

   list=""
   lsdev -Cc disk |grep 'Hitachi Disk Array' | while read line
   do
      echo $line | read dev dummy
      list="$list $dev"
   done

   for device in $list
   do
      echo ""
      echo "----- Check HITACHI DISK ARRAY $device on $HOSTNAME -----"
      echo ""

      attribut="queue_depth"
      goodval="20"
      diffval="higher"
      chhostval $device $attribut $goodval $diffval

      attribut="algorithm"
      goodval="round_robin"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval

      attribut="reserve_policy"
      goodval="no_reserve"
      diffval="equal"
      chhostval $device $attribut $goodval $diffval
   done

   #--------------------------------
   # Check 2145 AIXPCM Drive attributes

   if [ -e /usr/sbin/chdef ]
   then
    if  [ $(uname -W) -eq 0 ]
    then

       echo ""
       echo "----- Check 2145 AIXPCM Drive definitions on $HOSTNAME -----"
       echo ""

       attribut="reserve_policy"
       goodval="no_reserve"
       diffval="equal"
       current_val=$(odmget -q uniquetype="disk/fcp/mpioosdisk" PdAt | grep -p "$attribut" | grep deflt | rev | awk '{print $1}' | rev | sed 's/"//g')

       if [ "$current_val" != "$goodval" ]
       then
         if [ $fix != "yes" ]
         then
           printf "\E[31;1m""!!! FIX. ODM default $attribut policy for MPIO disks need to be changed from ${current_val} to $goodval !!!"" $1\E[0m\n"
         else
           printf "\E[31;1m""FIX. ODM default $attribut policy for FC MPIOdisks will be changed from ${current_val} to $goodval "" $1\E[0m\n"
           chdef -a $attribut=$goodval -c disk -s fcp -t mpioosdisk
         fi
       else
         printf "\E[32;1m""OK. ODM default $attribut policy for MPIO disks "disk/fcp/mpioosdisk" is already higher or equal to $goodval"" $1\E[0m\n"
       fi

       attribut="queue_depth"
       goodval="32"
       diffval="higher"
       current_val=$(odmget -q uniquetype="disk/fcp/mpioosdisk" PdAt | grep -p "$attribut" | grep deflt | rev | awk '{print $1}' | rev | sed 's/"//g')

       if [ "$current_val" -lt "$goodval" ]
       then
         if [ $fix != "yes" ]
         then
           printf "\E[31;1m""!!! FIX. ODM default $attribut policy for MPIO disks need to be changed from ${current_val} to $goodval !!!"" $1\E[0m\n"
         else
           printf "\E[31;1m""FIX. ODM default $attribut policy for FC MPIO disks will be changed from ${current_val} to $goodval "" $1\E[0m\n"
           chdef -a $attribut=$goodval -c disk -s fcp -t mpioosdisk
         fi
       else
         printf "\E[32;1m""OK. ODM default $attribut policy for MPIO disks disks "disk/fcp/mpioosdisk" is already higher or equal to $goodval"" $1\E[0m\n"
       fi

       attribut="algorithm"
       goodval="shortest_queue"
       diffval="equal"
       current_val=$(odmget -q uniquetype="PCM/friend/fcpother" PdAt | grep -p "$attribut" | grep deflt | rev | awk '{print $1}' | rev | sed 's/"//g')

       if [ "$current_val" != "$goodval" ]
       then
         if [ $fix != "yes" ]
         then
           printf "\E[31;1m""!!! FIX. ODM default $attribut policy for MPIO disks need to be changed from ${current_val} to $goodval !!!"" $1\E[0m\n"
         else
           printf "\E[31;1m""FIX. ODM default $attribut policy for FC MPIOdisks will be changed from ${current_val} to $goodval "" $1\E[0m\n"
           chdef -a $attribut=$goodval -c PCM -s friend -t fcpother
         fi
       else
         printf "\E[32;1m""OK. ODM default $attribut policy for MPIO disks "PCM/friend/fcpother" is already higher or equal to $goodval"" $1\E[0m\n"
       fi

     fi
   fi
   
   #--------------------------------
   # Check Hitachi driver status

   if [ -x /usr/DynamicLinkManager/bin/dlnkmgr ]
   then
     echo ""
     echo "----- Check Hitachi driver on $HOSTNAME -----"
     echo ""

     /usr/DynamicLinkManager/bin/dlnkmgr set -dpc on -s
     /usr/DynamicLinkManager/bin/dlnkmgr set -iem on -s
     /usr/DynamicLinkManager/bin/dlnkmgr set -afb on -intvl 15 -s
     /usr/DynamicLinkManager/bin/dlnkmgr set -pchk on -intvl 15 -s
     if [ $(/usr/DynamicLinkManager/bin/dlnkmgr view -sys > /dev/null; echo $?) -ne 0 ]
     then
       printf "\E[31;1m""!!! Fix. ERROR Hitachi DLMmanager is Dead :dlnkmgr view -sys"" $1\E[0m\n"
     fi
     if [ $(/usr/DynamicLinkManager/bin/dlmodmset -o | grep '^NPIV' | rev | awk '{print $1}' | rev) == "off" ]
     then
       if [ $fix != "yes" ]
       then
         printf "\E[31;1m""!!! FIX. NPIV Option need to be changed from off to on"" $1\E[0m\n"
       else
         printf "\E[31;1m""!!! FIX. NPIV Option will be changed from off to on"" $1\E[0m\n"
         /usr/DynamicLinkManager/bin/dlmodmset -v on -s > /dev/null 2>&1
         if [ "$?" -ne 0 ]
         then
           printf "\E[31;1m""!!! Fix. ERROR Hitachi dlmodmset failed to change"" $1\E[0m\n"
         else
           printf "\E[32;1m""OK. $attr for Hitachi dlmodmset changed to on"" $1\E[0m\n"
         fi
       fi
     else
       printf "\E[32;1m""OK. NPIV Option for Hitachi dlmodmset is already on"" $1\E[0m\n"
     fi
     if [ $(odmget -q uniquetype="disk/fcp/Hitachi" PdAt | grep -p reserve_policy | grep deflt | rev | awk '{print $1}' | rev | grep -q "no_reserve" ; echo $?) -ne 0 ]
     then
       if [ $fix != "yes" ]
       then
         printf "\E[31;1m""!!! FIX. ODM default revervation policy for Hitachi need to be changed from PR_exclusive to no_reserve !!!"" $1\E[0m\n"
       else
         printf "\E[31;1m""FIX. ODM default revervation policy for Hitachi will be changed from PR_exclusive to no_reserve "" $1\E[0m\n"
         chdef -a reserve_policy=no_reserve -c disk -s fcp -t Hitachi
       fi
     else
       printf "\E[32;1m""OK. ODM default revervation policy for Hitachi for fcp/disk is already no_reserve"" $1\E[0m\n"
     fi

     attribut="queue_depth"
     goodval="20"
     diffval="higher"
     current_val=$(odmget -q uniquetype="disk/fcp/Hitachi" PdAt | grep -p "$attribut" | grep deflt | rev | awk '{print $1}' | rev | sed 's/"//g')
     if [ "$current_val" -lt "$goodval" ]
     then
       if [ $fix != "yes" ]
       then
         printf "\E[31;1m""!!! FIX. ODM default $attribut policy for Hitachi disks need to be changed from ${current_val} to $goodval !!!"" $1\E[0m\n"
       else
         printf "\E[31;1m""FIX. ODM default $attribut policy for Hitachi disks will be changed from ${current_val} to $goodval "" $1\E[0m\n"
         chdef -a $attribut=$goodval -c disk -s fcp -t Hitachi
       fi
     else
       printf "\E[32;1m""OK. ODM default $attribut policy for VSCSI disks "disk/fcp/Hitachi" is already higher or equal to $goodval"" $1\E[0m\n"
     fi
   fi

}

###########################################################################
#
# main ()
#
###########################################################################

main () {

cd $path_script

# Read and check scripts arguments
debug=yes
fix=no
while [ $# -gt 0 ]
do
   case "$1" in
      -f) fix=yes ;;
      -v) debug=yes ;;
      -h|help) usage
               exit 1;;
   esac
   shift
done

echo `date`" : Begin of "$sn" "$(hostname)
echo "**********************\n"

# Check if LPAR is a VIOS
ls /usr/ios/cli/ioscli  > /dev/null 2>&1
if [ $? -eq 0 ]
then
        check_vios_param
else
        check_lpar_param
fi

echo
echo "Disabling unused fcs, else nmon cannot get stats for FC"
#/usr/bdl/disable_unused_fcs.sh

echo "\n**********************"
if [ -e /etc/objrepos/CuAtSav ]
then
  nb=$(odmget CuAtSav | grep name |wc -l | awk '{print $1}')
  if [ "$nb" -ne "0" ]
  then
    printf "\E[31;1m""!!! Fix. A reboot is required to apply $nb device(s) parameter(s) !!!"" $1\E[0m\n"
    odmget CuAtSav | egrep "name|attribute|value" | paste - - -
    echo "\n**********************"
  fi
fi
echo `date`" : End of "$sn" "$(hostname)

}

main $* 2>&1 | tee $logname
</code>