get_disk_name.sh

# 1. Create LVM Map (Major:Minor -> vgname/lvname)
LVM_MAP=$(sudo lvs --noheadings -o lv_kernel_major,lv_kernel_minor,vg_name,lv_name --separator : | tr -d ' ')

# 2. Iterate using -P (Pairs) to handle empty columns safely.
lsblk -P -n -o NAME,TYPE,FSTYPE,MAJ:MIN,MOUNTPOINT | sed 's/MAJ:MIN/MAJMIN/g' | while read -r line; do
    
    # Load variables safely
    eval "$line"

    # EXCLUSION: Skip Boot partitions
    if [[ "$MOUNTPOINT" == "/boot"* ]]; then
        continue
    fi

    # LOGIC CHECK
    if [ "$TYPE" == "lvm" ]; then
        # CASE A: LVM Logical Volume
        MATCH=$(echo "$LVM_MAP" | grep "^$MAJMIN:")
        if [ -n "$MATCH" ]; then
            VG=$(echo "$MATCH" | cut -d: -f3)
            LV=$(echo "$MATCH" | cut -d: -f4)
            # Output format: '/dev/mapper/vg-lv'
            echo "'/dev/mapper/${VG}-${LV}'"
        fi

    elif [ "$TYPE" == "crypt" ]; then
        # CASE B: Encrypted Mapper (LUKS/dm-crypt)
        if [ -n "$MOUNTPOINT" ]; then
             echo "'/dev/mapper/${NAME}'"
        fi

    elif [ "$TYPE" == "part" ] || [ "$TYPE" == "disk" ]; then
        # CASE C: Standard Partition / Raw Disk
        # Output format: '/dev/sdb1'
        if [ -n "$MOUNTPOINT" ]; then
             echo "'/dev/${NAME}'"
        fi
    fi

done | paste -sd "," -