Backup disk device settings van mijn Dell Inspiron op externe schijf /myssd2_data

#!/bin/bash
# backup op myssd2_data
LD="/myssd2_data/"
DATUM="$(date +%Y%m%d)"
LF=backupdisk_$(date +%Y%m%d).out
RES=1
# only run as root
if [ "$(id -u)" != '0' ]
then
        echo "Deze bash script moet opgestart worden met root rechten"
        exit $RES
fi
echo "====== start backupdisk_sets ======"
echo "====== start backupdisk_sets ======" >>$LD$LF
echo "-----------------------------------" >>$LD$LF
echo " inxi "
echo " inxi " >>$LD$LF
echo "------" >>$LD$LF
/usr/bin/inxi -FGISZMxxxpu
/usr/bin/inxi -FGISZMxxxpu >>$LD$LF
echo " lsblk "
echo " lsblk " >>$LD$LF
echo "-------" >>$LD$LF
lsblk
lsblk >>$LD$LF
echo " gdisk /dev/sda "
echo " gdisk /dev/sda " >>$LD$LF
echo "----------------" >>$LD$LF
gdisk -l /dev/sda
gdisk -l /dev/sda >>$LD$LF
echo " parted /dev/sda "
echo " parted /dev/sda " >>$LD$LF
parted /dev/sda print
parted /dev/sda print >>$LD$LF
echo " gdisk /dev/sdb "
echo " gdisk /dev/sdb " >>$LD$LF
echo "----------------" >>$LD$LF
gdisk -l /dev/sdb
gdisk -l /dev/sdb >>$LD$LF
echo " parted /dev/sdb "
echo " parted /dev/sdb " >>$LD$LF
echo "----------------" >>$LD$LF
parted /dev/sdb print
parted /dev/sdb print >>$LD$LF
echo " blkid "
echo " blkid " >>$LD$LF
echo "-------" >>$LD$LF
blkid
blkid >>$LD$LF
echo " pvs "
echo " pvs " >>$LD$LF
echo "-----" >>$LD$LF
pvs
pvs >>$LD$LF
echo " vgs "
echo " vgs " >>$LD$LF
echo "-----" >>$LD$LF
vgs
vgs >>$LD$LF
echo " lvs "
echo " lvs " >>$LD$LF
echo "-----" >>$LD$LF
lvs
lvs >>$LD$LF
lvs -a -o +devices
lvs -a -o +devices >>$LD$LF
echo "eerste 2047 sectoren "
echo "eerste 2047 sectoren " >>$LD$LF
echo "---------------------" >>$LD$LF
echo "dd if=/dev/sda of=sda2047.mbr bs=512 count=2047"
echo "dd if=/dev/sda of=sda2047.mbr bs=512 count=2047" >>$LD$LF
dd if=/dev/sda of=/myssd2_data/sda2047_${DATUM}.mbr bs=512 count=2047
echo "dd if=/dev/sdb of=sdb2047.mbr bs=512 count=2047"
echo "dd if=/dev/sdb of=sdb2047.mbr bs=512 count=2047" >>$LD$LF
dd if=/dev/sdb of=/myssd2_data/sdb2047_${DATUM}.mbr bs=512 count=2047
# echo "backup vgs"
# echo "backup vgs" >>$LD$LF
# echo "----------" >>$LD$LF
# echo "dd if=/dev/mydell of=mydell.dd"
# echo "dd if=/dev/mydell of=mydell.dd >>$LD$LF
# dd if=/dev/mydell of=mydell_${DATUM}.dd
# echo "dd if=/dev/myssd of=myssd.dd"
# echo "dd if=/dev/myssd of=myssd.dd >>$LD$LF
# dd if=/dev/myssd of=myssd_${DATUM}.dd
sync
RES=0
exit $RES