OraVR: Scripts

Hi All,
With help of below script we can create multiple logical(extended) portions

uses : Mk_partion.sh Disk name
    Ex. Mk_partion.sh /dev/sdb
Param :
    1."PARTITION_SIZE" -- Logical Portion size
    2."PARTITION_SIZE_P" --Primary Portion size

click Here to Download : Mk_partion.sh

#----------------------------Start Mk_partion.sh-------------------------------------

#-- +----------------------------------------------------------------------------+
#-- |                             By OraVR                                     |
#-- |                            info@gmail.com                                 |
#-- |                              www.oravr.com                                 |
#-- |----------------------------------------------------------------------------|
#-- |                                                                            |
#-- |----------------------------------------------------------------------------|
#-- | DATABASE : Oracle                                                          |
#-- | FILE     : Mk_partion.sh                                                   |
#-- | CLASS    : Storage                                                         |
#-- | PURPOSE : Create Multiple logical disk                                    |
#-- | NOTE     : As with any code, ensure to test this script in a development   |
#-- |            environment before attempting to run it in production.          |
#-- +----------------------------------------------------------------------------+
#!/bin/bash
if [ $# -eq 0 ]
then
echo "input the device"
exit
fi
NUM_PARTITIONS=50
PARTITION_SIZE="+4096M"
PARTITION_SIZE_P="+100M"
SED_STRING="o"
TAIL="p
w
q
"
NEW_LINE="
"
LETTER_n="n"
EXTENDED_PART_NUM=4
TGTDEV=$1
SED_STRING="$SED_STRING$NEW_LINE"
for i in $(seq $NUM_PARTITIONS)
do
if [ $i -lt $EXTENDED_PART_NUM ]
then
    SED_STRING="$SED_STRING$LETTER_n$NEW_LINE$NEW_LINE$NEW_LINE$NEW_LINE$PARTITION_SIZE_P$NEW_LINE"
fi
if [ $i -eq $EXTENDED_PART_NUM ]
then
    SED_STRING="$SED_STRING$LETTER_n$NEW_LINE$NEW_LINE$NEW_LINE$NEW_LINE"
    SED_STRING="$SED_STRING$LETTER_n$NEW_LINE$NEW_LINE$PARTITION_SIZE$NEW_LINE"
fi
if [ $i -gt $EXTENDED_PART_NUM ]
then
    SED_STRING="$SED_STRING$LETTER_n$NEW_LINE$NEW_LINE$PARTITION_SIZE$NEW_LINE"
fi
done
SED_STRING="$SED_STRING$TAIL"
sed -e 's/\s*$[\+0-9a-zA-Z]*$.*/\1/' << EOF | fdisk ${TGTDEV}
$SED_STRING
EOF
########## Remove PARTITION if anything goes wrong #########################################
######dd if=/dev/zero of=/dev/sda bs=512 count=1 conv=notrunc######

#---------------------------- End Mk_partion.sh-------------------------------------

Create N number of Logical partition in Linux