diff options
Diffstat (limited to 'disk_health_report.sh')
| -rwxr-xr-x | disk_health_report.sh | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/disk_health_report.sh b/disk_health_report.sh new file mode 100755 index 0000000..0841945 --- /dev/null +++ b/disk_health_report.sh @@ -0,0 +1,239 @@ +#!/bin/bash + +# Disk Health and Performance Report Generator +# Requires: smartmontools, hdparm, sysstat (for iostat) + +set -e + +# Colors for output +RED='\033[0;31m' +GREEN='\033[0;32m' +YELLOW='\033[1;33m' +BLUE='\033[0;34m' +NC='\033[0m' # No Color +BOLD='\033[1m' + +# Check if running as root +if [[ $EUID -ne 0 ]]; then + echo -e "${RED}This script must be run as root (use sudo)${NC}" + exit 1 +fi + +# Check for required commands +MISSING_DEPS=() +command -v smartctl >/dev/null 2>&1 || MISSING_DEPS+=("smartmontools") +command -v hdparm >/dev/null 2>&1 || MISSING_DEPS+=("hdparm") +command -v iostat >/dev/null 2>&1 || MISSING_DEPS+=("sysstat") + +if [ ${#MISSING_DEPS[@]} -ne 0 ]; then + echo -e "${YELLOW}Warning: Missing dependencies: ${MISSING_DEPS[*]}${NC}" + echo "Install with: sudo apt install ${MISSING_DEPS[*]}" + echo "Continuing with limited functionality..." + echo +fi + +# Output file +REPORT_FILE="disk_report_$(date +%Y%m%d_%H%M%S).txt" + +# Function to print section header +print_header() { + echo -e "${BOLD}${BLUE}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}" + echo -e "${BOLD}${BLUE}$1${NC}" + echo -e "${BOLD}${BLUE}━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━${NC}" +} + +# Function to get disk type +get_disk_type() { + local disk=$1 + if [[ $disk == nvme* ]]; then + echo "NVMe" + elif cat /sys/block/$disk/queue/rotational 2>/dev/null | grep -q "0"; then + echo "SSD" + elif cat /sys/block/$disk/queue/rotational 2>/dev/null | grep -q "1"; then + echo "HDD" + else + echo "Unknown" + fi +} + +# Function to format bytes +format_bytes() { + local bytes=$1 + if [ $bytes -ge 1099511627776 ]; then + echo "$(awk "BEGIN {printf \"%.2f TB\", $bytes/1099511627776}")" + elif [ $bytes -ge 1073741824 ]; then + echo "$(awk "BEGIN {printf \"%.2f GB\", $bytes/1073741824}")" + else + echo "$(awk "BEGIN {printf \"%.2f MB\", $bytes/1048576}")" + fi +} + +# Function to check health status +check_health() { + local disk=$1 + local dev_path="/dev/$disk" + + echo -e "\n${BOLD}SMART Health Status:${NC}" + + if ! command -v smartctl >/dev/null 2>&1; then + echo -e "${YELLOW} smartctl not available - install smartmontools${NC}" + return + fi + + # Check if SMART is supported + if ! smartctl -i $dev_path >/dev/null 2>&1; then + echo -e "${YELLOW} SMART not supported or accessible for this device${NC}" + return + fi + + # Get health status + local health_status=$(smartctl -H $dev_path 2>/dev/null | grep "SMART overall-health" || echo "Unknown") + if echo "$health_status" | grep -q "PASSED"; then + echo -e " ${GREEN}✓ PASSED${NC}" + elif echo "$health_status" | grep -q "FAILED"; then + echo -e " ${RED}✗ FAILED - IMMEDIATE BACKUP RECOMMENDED${NC}" + else + echo -e " ${YELLOW}? Unknown${NC}" + fi + + # Get temperature + local temp=$(smartctl -A $dev_path 2>/dev/null | grep -i "temperature" | head -1 | awk '{print $10}') + if [ ! -z "$temp" ]; then + echo " Temperature: ${temp}°C" + fi + + # Get power on hours + local hours=$(smartctl -A $dev_path 2>/dev/null | grep "Power_On_Hours" | awk '{print $10}') + if [ ! -z "$hours" ]; then + local days=$((hours / 24)) + echo " Power On Time: $hours hours ($days days)" + fi + + # Get reallocated sectors (bad sectors) + local reallocated=$(smartctl -A $dev_path 2>/dev/null | grep "Reallocated_Sector" | awk '{print $10}') + if [ ! -z "$reallocated" ]; then + if [ $reallocated -eq 0 ]; then + echo -e " Reallocated Sectors: ${GREEN}$reallocated${NC}" + else + echo -e " Reallocated Sectors: ${YELLOW}$reallocated (warning)${NC}" + fi + fi + + # Get wear leveling for SSDs + local wear=$(smartctl -A $dev_path 2>/dev/null | grep -i "Wear_Leveling_Count\|Media_Wearout_Indicator" | awk '{print $4, $10}') + if [ ! -z "$wear" ]; then + echo " SSD Wear: $wear" + fi +} + +# Function to check performance +check_performance() { + local disk=$1 + local dev_path="/dev/$disk" + + echo -e "\n${BOLD}Performance Metrics:${NC}" + + # Current I/O stats with iostat + if command -v iostat >/dev/null 2>&1; then + echo -e "\n Current I/O Statistics:" + iostat -dx $dev_path 1 2 | tail -1 | awk '{ + printf " Read: %.2f MB/s Write: %.2f MB/s\n", $6/1024, $7/1024 + printf " IOPS: %.0f reads/s, %.0f writes/s\n", $4, $5 + printf " Utilization: %.1f%%\n", $14 + }' + fi + + # Read speed test with hdparm + if command -v hdparm >/dev/null 2>&1; then + echo -e "\n Sequential Read Speed Test (hdparm):" + echo " Testing... (this may take a few seconds)" + local hdparm_result=$(hdparm -t $dev_path 2>&1 | grep "Timing") + echo " $hdparm_result" + + # Cached read test + local cached_result=$(hdparm -T $dev_path 2>&1 | grep "Timing") + echo " $cached_result" + fi +} + +# Function to get disk info +get_disk_info() { + local disk=$1 + local dev_path="/dev/$disk" + + echo -e "\n${BOLD}Disk Information:${NC}" + + # Get disk model + local model=$(smartctl -i $dev_path 2>/dev/null | grep "Device Model\|Model Number" | cut -d: -f2 | xargs || echo "Unknown") + echo " Model: $model" + + # Get serial number + local serial=$(smartctl -i $dev_path 2>/dev/null | grep "Serial Number" | cut -d: -f2 | xargs || echo "Unknown") + echo " Serial: $serial" + + # Get firmware version + local firmware=$(smartctl -i $dev_path 2>/dev/null | grep "Firmware Version" | cut -d: -f2 | xargs || echo "Unknown") + echo " Firmware: $firmware" + + # Get capacity + local size_bytes=$(cat /sys/block/$disk/size 2>/dev/null) + if [ ! -z "$size_bytes" ]; then + local size_human=$(format_bytes $((size_bytes * 512))) + echo " Capacity: $size_human" + fi + + # Get disk type + local dtype=$(get_disk_type $disk) + echo " Type: $dtype" +} + +# Main execution +echo -e "${BOLD}${GREEN}Disk Health and Performance Report${NC}" +echo "Generated: $(date)" +echo + +# Discover all physical disks (excluding loop, ram, and other virtual devices) +DISKS=$(lsblk -dn -o NAME,TYPE | grep "disk" | awk '{print $1}' | grep -v "loop\|ram\|sr") + +if [ -z "$DISKS" ]; then + echo -e "${RED}No physical disks found!${NC}" + exit 1 +fi + +echo "Found disks: $DISKS" +echo + +# Process each disk +for disk in $DISKS; do + print_header "Disk: /dev/$disk" + + get_disk_info $disk + check_health $disk + check_performance $disk + + echo +done + +# Summary +print_header "Summary" +echo -e "\n${BOLD}Total Disks Analyzed: $(echo $DISKS | wc -w)${NC}\n" + +# Save to file +echo "Report saved to: $REPORT_FILE" +{ + echo "Disk Health and Performance Report" + echo "Generated: $(date)" + echo + + for disk in $DISKS; do + echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━" + echo "Disk: /dev/$disk" + echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━" + get_disk_info $disk + check_health $disk + check_performance $disk + echo + done +} > "$REPORT_FILE" + +echo -e "${GREEN}Done!${NC}" |