#!/bin/bash

# Drive Atlas Diagnostic Script
# Run this on each server to gather PCI path information

echo "=== Server Information ==="
echo "Hostname: $(hostname)"
echo "Date: $(date)"
echo ""

echo "=== All /dev/disk/by-path/ entries ==="
ls -la /dev/disk/by-path/ | grep -v "part" | sort
echo ""

echo "=== Organized by PCI Address ==="
for path in /dev/disk/by-path/*; do
    if [ -L "$path" ]; then
        # Skip partitions
        if [[ "$path" =~ -part[0-9]+$ ]]; then
            continue
        fi

        basename_path=$(basename "$path")
        target=$(readlink -f "$path")
        device=$(basename "$target")

        echo "Path: $basename_path"
        echo "  -> Device: $device"

        # Try to get size
        if [ -b "$target" ]; then
            size=$(lsblk -d -n -o SIZE "$target" 2>/dev/null)
            echo "  -> Size: $size"
        fi

        # Try to get SMART info for model
        if command -v smartctl >/dev/null 2>&1; then
            model=$(sudo smartctl -i "$target" 2>/dev/null | grep "Device Model\|Model Number" | cut -d: -f2 | xargs)
            if [ -n "$model" ]; then
                echo "  -> Model: $model"
            fi
        fi
        echo ""
    fi
done

echo "=== PCI Devices with Storage Controllers ==="
lspci | grep -i "storage\|raid\|sata\|sas\|nvme"
echo ""

echo "=== Current Block Devices ==="
lsblk -d -o NAME,SIZE,TYPE,TRAN | grep -v "rbd\|loop"
echo ""

echo "=== Recommendations ==="
echo "1. Note the PCI addresses (e.g., 0c:00.0) of your storage controllers"
echo "2. For each bay, physically identify which drive is in it"
echo "3. Match the PCI path pattern to the bay number"
echo "4. Example: pci-0000:0c:00.0-ata-1 might be bay 1 on controller 0c:00.0"