531 lines
18 KiB
Bash
531 lines
18 KiB
Bash
#!/bin/bash
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# Disk Health Check Script for Harvester OS
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# Checks SATA HDD, SATA SSD, SAS, NVMe, RAID controllers, and soft-raid
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# Supports consumer and enterprise disk classification
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SCRIPT_NAME=$(basename "$0")
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VERSION="2.3"
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# Color codes
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RED=$(tput setaf 1)
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GREEN=$(tput setaf 2)
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YELLOW=$(tput setaf 3)
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BLUE=$(tput setaf 4)
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CYAN=$(tput setaf 6)
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MAGENTA=$(tput setaf 5)
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NC=$(tput sgr0)
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# Function to print colored output
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print_color() {
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local color=$1
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local message=$2
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echo -e "${color}${message}${NC}"
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}
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# Check if smartctl is installed
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command_exists() {
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command -v "$1" >/dev/null 2>&1
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}
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if ! command_exists smartctl; then
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print_color $RED "Error: smartctl is not installed. Please install smartmontools package."
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exit 1
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fi
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# TBW endurance standards (using lowest numbers)
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declare -A CONSUMER_TBW=(
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["250"]=150
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["500"]=300
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["1000"]=600
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["2000"]=1200
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["4000"]=2400
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)
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declare -A ENTERPRISE_TBW=(
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["250"]=450
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["500"]=900
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["1000"]=1800
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["2000"]=3600
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["4000"]=7200
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)
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# Function to get closest capacity tier
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get_capacity_tier() {
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local capacity_gb=$1
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local tiers=("250" "500" "1000" "2000" "4000")
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for tier in "${tiers[@]}"; do
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if [[ $capacity_gb -le $tier ]]; then
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echo $tier
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return
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fi
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done
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# For larger than 4TB, use 4TB tier with scaling
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echo "4000"
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}
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# Function to get disk type and interface
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get_disk_info() {
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local disk=$1
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local controller=$2
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local smart_cmd="smartctl"
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[[ -n "$controller" ]] && smart_cmd+=" -d $controller"
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smart_cmd+=" -i $disk"
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local info=$($smart_cmd 2>/dev/null)
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local transport=""
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local disk_type="UNKNOWN"
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local is_enterprise=false
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# Check if it's NVMe
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if [[ "$disk" == /dev/nvme* ]] || echo "$info" | grep -qi "NVMe"; then
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disk_type="NVMe"
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transport="NVMe"
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# Check for SAS
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elif echo "$info" | grep -qi "SAS"; then
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disk_type="SAS"
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transport="SAS"
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is_enterprise=true
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# Check for SATA SSD
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elif echo "$info" | grep -qi "Solid State Device"; then
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disk_type="SSD"
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transport="SATA"
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# Check for SATA HDD
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elif echo "$info" | grep -qi "Rotation Rate"; then
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disk_type="HDD"
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transport="SATA"
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fi
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# Check for enterprise features
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if echo "$info" | grep -qi "ENTERPRISE\|EP\|SAS\|Xeon\|Xeons\|DualPort\|PowerLoss\|PLP"; then
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is_enterprise=true
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fi
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# Check device type by model name
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local model=$(echo "$info" | grep -i "Device Model:" | cut -d: -f2 | sed 's/^[ \t]*//')
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if echo "$model" | grep -qi "PRO\|EP\|DC\|ENT\|ENTERPRISE\|MX500\|870QVO\|860QVO\|Crucial\|Samsung\|Intel"; then
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if echo "$model" | grep -qi "PRO\|EP\|DC\|ENT\|ENTERPRISE"; then
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is_enterprise=true
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fi
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fi
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echo "$disk_type|$transport|$is_enterprise"
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}
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# Function to calculate TBW for SSD/NVMe
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calculate_tbw() {
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local disk_type=$1
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local raw_value=$2
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local sectors=$3
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local tbw=0
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if [[ -n "$sectors" && "$sectors" != "0" ]]; then
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# Calculate from sectors (most common for SATA SSDs)
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local bytes=$((sectors * 512))
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tbw=$(echo "scale=2; $bytes / 1000 / 1000 / 1000 / 1000" | bc -l 2>/dev/null || echo "0")
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elif [[ -n "$raw_value" && "$raw_value" != "0" ]]; then
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if [[ "$disk_type" == "NVMe" ]]; then
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# NVMe: raw value is in 32MB units
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tbw=$(echo "scale=2; $raw_value * 32 / 1000 / 1000" | bc -l 2>/dev/null || echo "0")
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else
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# SATA SSD: various manufacturers
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tbw=$(echo "scale=2; $raw_value * 32 / 1000 / 1000" | bc -l 2>/dev/null || echo "0")
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fi
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fi
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echo "$tbw"
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}
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# Function to get estimated endurance
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get_estimated_endurance() {
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local capacity_gb=$1
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local is_enterprise=$2
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local disk_type=$3
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# HDDs don't have TBW
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if [[ "$disk_type" == "HDD" ]]; then
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echo "N/A"
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return
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fi
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local capacity_tier=$(get_capacity_tier "$capacity_gb")
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if [[ "$is_enterprise" == "true" ]]; then
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echo "${ENTERPRISE_TBW[$capacity_tier]}"
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else
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echo "${CONSUMER_TBW[$capacity_tier]}"
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fi
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}
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# Function to estimate SSD lifespan with TBW remaining
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estimate_ssd_lifespan() {
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local power_on_hours=$1
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local tbw_used=$2
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local estimated_endurance=$3
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local disk_type=$4
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if [[ -z "$power_on_hours" || "$power_on_hours" -eq 0 ]]; then
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echo "Unknown||Unknown|New"
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return
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fi
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if [[ "$estimated_endurance" == "N/A" ]]; then
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echo "N/A|N/A|N/A|HDD"
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return
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fi
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local tbw_remaining=$(echo "scale=2; $estimated_endurance - $tbw_used" | bc -l 2>/dev/null || echo "0")
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if [[ $(echo "$tbw_used > 0" | bc -l 2>/dev/null) -eq 1 ]]; then
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local lifespan_used=$(echo "scale=1; $tbw_used * 100 / $estimated_endurance" | bc -l 2>/dev/null || echo "0")
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local lifespan_remaining=$(echo "scale=1; 100 - $lifespan_used" | bc -l 2>/dev/null || echo "100")
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if [[ $(echo "$lifespan_used >= 80" | bc -l) -eq 1 ]]; then
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echo "${RED}${lifespan_remaining}%${NC}|${RED}${tbw_remaining} TB${NC}|High wear|$disk_type"
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elif [[ $(echo "$lifespan_used >= 50" | bc -l) -eq 1 ]]; then
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echo "${YELLOW}${lifespan_remaining}%${NC}|${YELLOW}${tbw_remaining} TB${NC}|Moderate wear|$disk_type"
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else
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echo "${GREEN}${lifespan_remaining}%${NC}|${GREEN}${tbw_remaining} TB${NC}|Healthy|$disk_type"
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fi
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else
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echo "Unknown|${estimated_endurance} TB|New|$disk_type"
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fi
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}
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# Function to estimate HDD lifespan
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estimate_hdd_lifespan() {
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local power_on_hours=$1
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local reallocated_sectors=$2
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local pending_sectors=$3
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local start_stop_count=$4
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local load_cycle_count=$5
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local disk_type=$6
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if [[ -z "$power_on_hours" ]]; then
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echo "Unknown"
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return
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fi
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local severity=0
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# Critical issues
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if [[ "$pending_sectors" -gt 0 ]]; then
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echo "${RED}CRITICAL${NC} (Pending sectors: $pending_sectors)"
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return
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elif [[ "$reallocated_sectors" -gt 100 ]]; then
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severity=$((severity + 3))
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elif [[ "$reallocated_sectors" -gt 10 ]]; then
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severity=$((severity + 2))
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elif [[ "$reallocated_sectors" -gt 0 ]]; then
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severity=$((severity + 1))
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fi
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# Usage-based assessment
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if [[ "$power_on_hours" -gt 50000 ]]; then
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severity=$((severity + 3))
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elif [[ "$power_on_hours" -gt 30000 ]]; then
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severity=$((severity + 2))
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elif [[ "$power_on_hours" -gt 15000 ]]; then
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severity=$((severity + 1))
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fi
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# Mechanical wear (for HDDs)
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if [[ "$disk_type" == "HDD" ]]; then
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if [[ "$start_stop_count" -gt 50000 ]]; then
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severity=$((severity + 2))
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elif [[ "$start_stop_count" -gt 20000 ]]; then
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severity=$((severity + 1))
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fi
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if [[ "$load_cycle_count" -gt 500000 ]]; then
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severity=$((severity + 2))
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elif [[ "$load_cycle_count" -gt 200000 ]]; then
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severity=$((severity + 1))
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fi
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fi
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if [[ $severity -ge 5 ]]; then
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echo "${RED}< 6 months${NC} (Multiple risk factors)"
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elif [[ $severity -ge 3 ]]; then
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echo "${YELLOW}6-18 months${NC} (Moderate wear)"
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elif [[ $severity -ge 1 ]]; then
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echo "${YELLOW}1-3 years${NC} (Light wear)"
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else
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echo "${GREEN}> 3 years${NC} (Healthy)"
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fi
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}
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# Function to check soft-raid (MDRAID)
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check_mdraid() {
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local md_devices=()
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if [[ -f /proc/mdstat ]]; then
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while IFS= read -r line; do
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if [[ $line =~ ^md[0-9]+ ]]; then
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md_devices+=("/dev/${line%% *}")
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fi
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done < /proc/mdstat
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fi
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for md in "${md_devices[@]}"; do
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if [[ -b "$md" ]]; then
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print_color $MAGENTA "Found software RAID: $md"
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local md_info=$(mdadm --detail "$md" 2>/dev/null)
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if [[ -n "$md_info" ]]; then
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echo "RAID Level: $(echo "$md_info" | grep "Raid Level" | cut -d: -f2 | sed 's/^[ \t]*//')"
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echo "State: $(echo "$md_info" | grep "State" | head -1 | cut -d: -f2 | sed 's/^[ \t]*//')"
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echo "Devices: $(echo "$md_info" | grep "Active Devices" | cut -d: -f2 | sed 's/^[ \t]*//')"
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echo ""
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fi
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fi
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done
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}
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# Function to check a single disk
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check_disk() {
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local disk=$1
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local controller=$2
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local smart_cmd="smartctl"
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[[ -n "$controller" ]] && smart_cmd+=" -d $controller"
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print_color $CYAN "Checking disk: $disk (Controller: ${controller:-direct})"
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echo "=================================================="
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# Get disk information
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local disk_info=$(get_disk_info "$disk" "$controller")
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local disk_type=$(echo "$disk_info" | cut -d'|' -f1)
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local transport=$(echo "$disk_info" | cut -d'|' -f2)
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local is_enterprise=$(echo "$disk_info" | cut -d'|' -f3)
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# Get basic disk information
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local info=$($smart_cmd -i "$disk" 2>/dev/null)
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local health=$($smart_cmd -H "$disk" 2>/dev/null)
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local attributes=$($smart_cmd -A "$disk" 2>/dev/null)
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# Check if we can read the disk
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if [[ $? -ne 0 ]] || [[ -z "$info" ]]; then
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print_color $YELLOW "Cannot read disk information. It may be offline, unsupported, or need controller specification."
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echo ""
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return
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fi
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# Extract disk information
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local model=$(echo "$info" | grep "Device Model:" | cut -d: -f2 | sed 's/^[ \t]*//')
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[[ -z "$model" ]] && model=$(echo "$info" | grep "Model Number:" | cut -d: -f2 | sed 's/^[ \t]*//')
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local serial=$(echo "$info" | grep "Serial Number:" | cut -d: -f2 | sed 's/^[ \t]*//')
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local capacity=$(echo "$info" | grep "User Capacity:" | cut -d: -f2 | sed 's/^[ \t]*//' | cut -d'[' -f1)
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local firmware=$(echo "$info" | grep "Firmware Version:" | cut -d: -f2 | sed 's/^[ \t]*//')
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# Extract capacity in GB
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local capacity_gb=0
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if [[ $capacity =~ \[([0-9.]+)\s+GB\] ]]; then
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capacity_gb=${BASH_REMATCH[1]%.*}
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elif [[ $capacity =~ \[([0-9.]+)\s+TB\] ]]; then
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capacity_gb=$(echo "${BASH_REMATCH[1]} * 1000" | bc -l 2>/dev/null | cut -d. -f1)
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elif [[ $capacity =~ ([0-9,]+)\s+bytes ]]; then
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local bytes=$(echo "${BASH_REMATCH[1]}" | tr -d ',')
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capacity_gb=$(echo "scale=0; $bytes / 1000 / 1000 / 1000" | bc -l 2>/dev/null | cut -d. -f1)
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fi
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local health_status=$(echo "$health" | grep "result:" | cut -d: -f2 | sed 's/^[ \t]*//')
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[[ -z "$health_status" ]] && health_status=$(echo "$health" | grep "SMART overall-health" | cut -d: -f2 | sed 's/^[ \t]*//')
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# Extract SMART attributes
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local power_on_hours=$(echo "$attributes" | grep "Power_On_Hours" | awk '{print $10}')
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local reallocated_sectors=$(echo "$attributes" | grep "Reallocated_Sector_Ct" | awk '{print $10}')
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local pending_sectors=$(echo "$attributes" | grep "Current_Pending_Sector" | awk '{print $10}')
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local total_written=$(echo "$attributes" | grep -E "Total_LBAs_Written|Host_Writes_32MiB" | awk '{print $10}')
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local host_writes_32mib=$(echo "$attributes" | grep "Host_Writes_32MiB" | awk '{print $10}')
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local start_stop_count=$(echo "$attributes" | grep "Start_Stop_Count" | awk '{print $10}')
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local load_cycle_count=$(echo "$attributes" | grep "Load_Cycle_Count" | awk '{print $10}')
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# For NVMe disks using smartctl
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if [[ "$disk_type" == "NVMe" ]]; then
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local nvme_attributes=$($smart_cmd -x "$disk" 2>/dev/null)
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power_on_hours=$(echo "$nvme_attributes" | grep "Power On Hours" | awk '{print $4}')
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total_written=$(echo "$nvme_attributes" | grep "Data Units Written" | awk '{print $5}' | tr -d ',')
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[[ -z "$total_written" ]] && total_written=$(echo "$nvme_attributes" | grep "Host_Writes_32MiB" | awk '{print $10}')
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fi
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# Display basic information
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echo "Model: ${model:-Unknown}"
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echo "Serial: ${serial:-Unknown}"
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echo "Type: $disk_type"
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echo "Interface: $transport"
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echo "Class: $($is_enterprise && echo "Enterprise" || echo "Consumer")"
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echo "Capacity: ${capacity:-Unknown}"
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echo "Firmware: ${firmware:-Unknown}"
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echo "Health: ${health_status:-Unknown}"
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echo "Power On Hours: ${power_on_hours:-Unknown}"
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# Disk type specific analysis
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if [[ "$disk_type" == "HDD" ]]; then
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echo "Realloc Sectors: ${reallocated_sectors:-0}"
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echo "Pending Sectors: ${pending_sectors:-0}"
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[[ -n "$start_stop_count" ]] && echo "Start/Stop Count: ${start_stop_count:-0}"
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[[ -n "$load_cycle_count" ]] && echo "Load Cycle Count: ${load_cycle_count:-0}"
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local lifespan=$(estimate_hdd_lifespan "$power_on_hours" "${reallocated_sectors:-0}" "${pending_sectors:-0}" "${start_stop_count:-0}" "${load_cycle_count:-0}" "$disk_type")
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echo "Lifespan: $lifespan"
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elif [[ "$disk_type" == "SSD" || "$disk_type" == "NVMe" || "$disk_type" == "SAS" ]]; then
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local tbw_used=0
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if [[ -n "$total_written" && "$total_written" != "0" ]]; then
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tbw_used=$(calculate_tbw "$disk_type" "" "$total_written")
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elif [[ -n "$host_writes_32mib" && "$host_writes_32mib" != "0" ]]; then
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tbw_used=$(calculate_tbw "$disk_type" "$host_writes_32mib" "")
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fi
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local estimated_endurance=$(get_estimated_endurance "$capacity_gb" "$is_enterprise" "$disk_type")
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echo "TBW Used: ${tbw_used} TB"
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echo "TBW Endurance: ${estimated_endurance} TB"
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local lifespan_info=$(estimate_ssd_lifespan "$power_on_hours" "$tbw_used" "$estimated_endurance" "$disk_type")
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local lifespan_percent=$(echo "$lifespan_info" | cut -d'|' -f1)
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local tbw_remaining=$(echo "$lifespan_info" | cut -d'|' -f2)
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local wear_status=$(echo "$lifespan_info" | cut -d'|' -f3)
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if [[ "$estimated_endurance" != "N/A" ]]; then
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echo "TBW Remaining: $tbw_remaining"
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echo "Lifespan: $lifespan_percent ($wear_status)"
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fi
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# Show mechanical attributes for SAS drives that might be SSDs
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if [[ "$disk_type" == "SAS" ]]; then
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echo "Realloc Sectors: ${reallocated_sectors:-0}"
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echo "Pending Sectors: ${pending_sectors:-0}"
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fi
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else
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print_color $YELLOW "Unknown disk type - limited information available"
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fi
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echo ""
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}
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# Function to detect RAID controllers and disks
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detect_raid_disks() {
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local controllers=("megaraid" "cciss" "areca" "3ware" "hpt" "aacraid" "auto")
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local disks=()
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# Check for direct disks first (SATA/SAS/NVMe)
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for disk in /dev/sd[a-z] /dev/sd[a-z][a-z] /dev/nvme[0-9]n[0-9]; do
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if [[ -b "$disk" ]]; then
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disks+=("$disk:direct")
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fi
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done
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# Check for RAID controllers
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for controller in "${controllers[@]}"; do
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for i in {0..31}; do
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# Try different device patterns
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for base_disk in "/dev/sda" "/dev/sg$i" "/dev/sr$i"; do
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if smartctl -d "$controller,$i" -i "$base_disk" >/dev/null 2>&1; then
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disks+=("$base_disk:$controller,$i")
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break
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fi
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done
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done
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done
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# Check for JBOD/passthrough disks on MegaRAID
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if command_exists storcli; then
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local jbod_disks=$(storcli /c0/eALL/sALL show all 2>/dev/null | grep -i "jbod\|unconfigured" | awk '{print $2}')
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for disk in $jbod_disks; do
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disks+=("$disk:megaraid,$disk")
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done
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fi
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echo "${disks[@]}"
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}
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# Main function
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main() {
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print_color $BLUE "Disk Health Check Script v$VERSION for Harvester OS"
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print_color $BLUE "===================================================="
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echo ""
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local disks=()
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# Check for soft-raid first
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check_mdraid
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# If specific disk provided, check only that disk
|
|
if [[ $# -gt 0 ]]; then
|
|
for disk in "$@"; do
|
|
if [[ -b "$disk" ]]; then
|
|
disks+=("$disk:direct")
|
|
else
|
|
print_color $RED "Error: $disk is not a valid block device"
|
|
fi
|
|
done
|
|
else
|
|
# Auto-detect disks
|
|
print_color $CYAN "Auto-detecting disks..."
|
|
read -ra disks <<< "$(detect_raid_disks)"
|
|
fi
|
|
|
|
if [[ ${#disks[@]} -eq 0 ]]; then
|
|
print_color $YELLOW "No disks found via auto-detection"
|
|
print_color $CYAN "Trying direct disk access..."
|
|
# Try direct access to common disks
|
|
for disk in /dev/sda /dev/sdb /dev/sdc /dev/nvme0n1; do
|
|
if [[ -b "$disk" ]]; then
|
|
disks+=("$disk:direct")
|
|
fi
|
|
done
|
|
fi
|
|
|
|
if [[ ${#disks[@]} -eq 0 ]]; then
|
|
print_color $RED "No disks found or accessible"
|
|
echo "Try running as root or specifying disk paths manually"
|
|
exit 1
|
|
fi
|
|
|
|
print_color $GREEN "Found ${#disks[@]} disk(s) to check"
|
|
echo ""
|
|
|
|
# Check each disk
|
|
for disk_info in "${disks[@]}"; do
|
|
IFS=':' read -r disk controller <<< "$disk_info"
|
|
check_disk "$disk" "$controller"
|
|
done
|
|
|
|
print_color $BLUE "Check completed!"
|
|
}
|
|
|
|
# Usage information
|
|
usage() {
|
|
echo "Usage: $SCRIPT_NAME [DISK1 DISK2 ...]"
|
|
echo ""
|
|
echo "If no disks specified, auto-detects all available disks and RAID arrays"
|
|
echo ""
|
|
echo "Examples:"
|
|
echo " $SCRIPT_NAME # Check all auto-detected disks"
|
|
echo " $SCRIPT_NAME /dev/sda # Check specific disk"
|
|
echo " $SCRIPT_NAME /dev/nvme0n1 # Check specific NVMe disk"
|
|
echo " $SCRIPT_NAME /dev/sda /dev/nvme0n1 # Check multiple disks"
|
|
echo ""
|
|
echo "Supported: SATA HDD/SSD, SAS HDD/SSD, NVMe, Hardware RAID, Software RAID"
|
|
}
|
|
|
|
# Parse command line arguments
|
|
case "${1:-}" in
|
|
-h|--help)
|
|
usage
|
|
exit 0
|
|
;;
|
|
-v|--version)
|
|
echo "$SCRIPT_NAME version $VERSION"
|
|
exit 0
|
|
;;
|
|
*)
|
|
main "$@"
|
|
;;
|
|
esac
|