New script

CloneToDisk.sh

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+#!/bin/bash
+set -e
+
+# Set your target disk here
+udevadm trigger
+
+lsblk
+
+read -rp "Enter the target disk (e.g., sda): " disk_suffix
+disk_name="/dev/${disk_suffix}"
+
+read -rp "Enter the name of the usb partition in /dev/mapper (e.g., sda1): " disk_suffix
+usb_name="/dev/mapper/${disk_suffix}"
+
+# Mount Ventoy
+echo "Mounting Ventoy..."
+mount /dev/mapper/sdb1 /mnt
+cd /mnt/Images
+
+# Decompress and write image
+echo "Writing image to $disk_name..."
+lz4 -dc PBX-LVM.img.lz4 | dd of=$disk_name status=progress
+
+# Repartition disk using sgdisk
+echo "Expanding Partition 3 on $disk_name..."
+sgdisk -v $disk_name
+sgdisk --delete=3 $disk_name
+sgdisk --new=3:0:0 --typecode=3:8e00 --change-name=3:"Linux LVM" $disk_name
+
+# Inform the OS of partition table changes
+partprobe $disk_name
+sleep 2  # Give the system a moment to recognize changes
+
+# Resize physical volume
+echo "Resizing physical volume..."
+pvresize ${disk_name}3
+
+# Resize swap and root logical volumes
+echo "Resizing swap and root volumes..."
+lvresize -L +7G PBX-vg/swap_1
+lvresize -l +100%FREE --resizefs PBX-vg/root
+
+
+# Mount restored system for chroot
+echo "Mounting restored system..."
+mount /dev/mapper/PBX--vg-root /mnt/
+mount ${DISKNAME}2 /mnt/boot
+mount ${DISKNAME}1 /mnt/boot/efi
+for i in /dev /dev/pts /proc /sys /sys/firmware/efi/efivars /run; do mount -B $i /mnt/$i; done
+
+# Chroot and reinstall GRUB
+echo "Entering chroot to reinstall GRUB..."
+chroot /mnt /bin/bash -c "
+grub-install --target=x86_64-efi --efi-directory=/boot/efi --bootloader-id=debian
+update-grub
+"
+
+# Exit chroot and unmount
+echo "Cleaning up..."
+umount -R /mnt
+
+
+echo "Restore and resize complete!"
+