870 lines
31 KiB
Bash
870 lines
31 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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# Created by Adam T. Lau
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SCRIPT_NAME=$(basename "$0")
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VERSION="3.8"
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# Color codes
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RED=$(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 required commands are 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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# Known model capacities
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declare -A MODEL_CAPACITIES=(
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["ST91000640NS"]="1000"
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["ST2000NM0033"]="2000"
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["ST4000NM0033"]="4000"
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["MB1000GCWCV"]="1000"
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["MB2000GCWDB"]="2000"
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["AL15SEB120N"]="1200"
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["AL15SEB600N"]="600"
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["HUC101212CSS600"]="1200"
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["HUC103012CSS600"]="3000"
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["HUC109090CSS600"]="900"
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["MAX3147RC"]="147"
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["ST3146356SS"]="146"
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["ST3146855SS"]="146"
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["ST33000650SS"]="3000"
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["ST3600057SS"]="600"
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["ST9146803SS"]="146"
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["ST973451SS"]="73"
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["AL13SXB300N"]="300"
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["KPM6XRUG960G"]="960"
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["MZILT3T8HBLS0D3"]="3840"
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["MZILT960HBHQ0D3"]="960"
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# Add more models as encountered
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)
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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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["8000"]=4800
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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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["8000"]=14400
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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=$1
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local tiers=("250" "500" "1000" "2000" "4000" "8000")
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for tier in "${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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echo "8000"
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}
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# Function to extract numeric hours from power_on_hours field
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extract_numeric_hours() {
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local power_on_hours=$1
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local numeric_hours=$(echo "$power_on_hours" | sed 's/[^0-9].*$//')
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if [[ -n "$numeric_hours" && "$numeric_hours" =~ ^[0-9]+$ ]]; then
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echo "$numeric_hours"
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else
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echo "0"
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fi
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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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transport="SAS"
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is_enterprise=true
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# Determine if SAS disk is HDD or SSD
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if echo "$info" | grep -qi "Solid State Device\|SSD"; then
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disk_type="SAS SSD"
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elif echo "$info" | grep -qi "Rotation Rate"; then
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disk_type="SAS HDD"
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else
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local model=$(echo "$info" | grep -i "Device Model:" | cut -d: -f2 | sed 's/^[ \t]*//')
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if [[ -n "$model" ]]; then
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if echo "$model" | grep -qi "SSD\|Solid State"; then
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disk_type="SAS SSD"
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else
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disk_type="SAS HDD"
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fi
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else
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disk_type="SAS HDD"
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fi
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fi
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# Check for SATA SSD
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elif echo "$info" | grep -qi "Solid State Device\|SSD"; then
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disk_type="SATA SSD"
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transport="SATA"
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# Check for SATA HDD
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elif echo "$info" | grep -qi "Rotation Rate"; then
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disk_type="SATA 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 "$info" | grep -i "Device Model:" | cut -d: -f2 | sed 's/^[ \t]*//')
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if [[ -n "$model" ]]; then
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if echo "$model" | grep -qi "PRO\|EP\|DC\|ENT\|ENTERPRISE"; then
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is_enterprise=true
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fi
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if echo "$model" | grep -qi "SSD\|Solid State" && [[ "$disk_type" == "UNKNOWN" ]]; then
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disk_type="SSD"
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[[ "$transport" == "" ]] && transport="SATA"
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fi
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fi
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if [[ "$disk_type" == "UNKNOWN" ]]; then
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disk_type="Unknown"
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fi
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echo "$disk_type|$transport|$is_enterprise"
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}
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# Function to get SAS disk attributes
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get_sas_attributes() {
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local disk=$1
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local controller=$2
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local disk_type=$3
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local smart_cmd="smartctl"
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[[ -n "$controller" ]] && smart_cmd+=" -d $controller"
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local power_on_hours=""
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local reallocated_sectors=""
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local pending_sectors=""
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local start_stop_count=""
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local load_cycle_count=""
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local total_written=""
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local temperature=""
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local model=""
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local serial=""
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local firmware=""
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local media_wearout=""
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local percent_lifetime_used=""
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local has_write_data=false
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# Try extended information first for SAS disks
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local attributes=$($smart_cmd -x "$disk" 2>/dev/null)
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# If extended fails, try standard attributes
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if [[ -z "$attributes" ]]; then
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attributes=$($smart_cmd -a "$disk" 2>/dev/null)
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fi
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if [[ -n "$attributes" ]]; then
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# Extract model information
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model=$(echo "$attributes" | grep -i "Product:" | cut -d: -f2 | sed 's/^[ \t]*//')
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[[ -z "$model" ]] && model=$(echo "$attributes" | grep -i "Device Model:" | cut -d: -f2 | sed 's/^[ \t]*//')
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serial=$(echo "$attributes" | grep -i "Serial number:" | cut -d: -f2 | sed 's/^[ \t]*//')
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firmware=$(echo "$attributes" | grep -i "Revision:" | cut -d: -f2 | sed 's/^[ \t]*//')
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# Extract power on hours - try multiple formats
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power_on_hours=$(echo "$attributes" | grep -i "Accumulated power on time" | grep -oE "[0-9]+:[0-9]+" | head -1)
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if [[ -n "$power_on_hours" ]]; then
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local hours=$(echo "$power_on_hours" | cut -d: -f1)
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power_on_hours="$hours"
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else
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# Try alternative format
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power_on_hours=$(echo "$attributes" | grep -i "Power_On_Hours" | awk '{print $NF}' | head -1)
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fi
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# Extract temperature
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temperature=$(echo "$attributes" | grep -i "Current Drive Temperature" | grep -oE "[0-9]+" | head -1)
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[[ -z "$temperature" ]] && temperature=$(echo "$attributes" | grep -i "Temperature_Celsius" | awk '{print $10}' | head -1)
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# Extract mechanical counters for SAS HDDs
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if [[ "$disk_type" == "SAS HDD" ]]; then
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start_stop_count=$(echo "$attributes" | grep -i "Accumulated start-stop cycles" | grep -oE "[0-9]+" | head -1)
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load_cycle_count=$(echo "$attributes" | grep -i "Accumulated load-unload cycles" | grep -oE "[0-9]+" | head -1)
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fi
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# Extract error counters
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local error_count=$(echo "$attributes" | grep -i "Elements in grown defect list" | grep -oE "[0-9]+" | head -1)
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if [[ -n "$error_count" ]]; then
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reallocated_sectors="$error_count"
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fi
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# For SAS SSDs, look for comprehensive wear indicators
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if [[ "$disk_type" == "SAS SSD" ]]; then
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# Try multiple patterns for write data
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total_written=$(echo "$attributes" | grep -i "Total_LBAs_Written" | awk '{print $NF}' | head -1)
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[[ -z "$total_written" ]] && total_written=$(echo "$attributes" | grep -i "Host_Writes_32MiB" | awk '{print $NF}' | head -1)
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[[ -z "$total_written" ]] && total_written=$(echo "$attributes" | grep -i "Lifetime_Writes" | awk '{print $NF}' | head -1)
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[[ -z "$total_written" ]] && total_written=$(echo "$attributes" | grep -i "NAND_Writes" | awk '{print $NF}' | head -1)
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# Check if we actually found write data
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if [[ -n "$total_written" && "$total_written" != "0" ]]; then
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has_write_data=true
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fi
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# Look for wear level indicators
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media_wearout=$(echo "$attributes" | grep -i "Media_Wearout_Indicator" | awk '{print $NF}' | head -1)
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percent_lifetime_used=$(echo "$attributes" | grep -i "Percent_Lifetime_Used" | awk '{print $NF}' | head -1)
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[[ -z "$percent_lifetime_used" ]] && percent_lifetime_used=$(echo "$attributes" | grep -i "Wear_Leveling_Count" | awk '{print $NF}' | head -1)
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fi
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fi
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echo "$power_on_hours|$reallocated_sectors|$pending_sectors|$start_stop_count|$load_cycle_count|$temperature|$model|$serial|$firmware|$total_written|$media_wearout|$percent_lifetime_used|$has_write_data"
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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=$((bytes / 1000000000000))
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elif [[ -n "$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=$((raw_value * 32 / 1000000))
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else
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# SATA/SAS SSD: various manufacturers
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tbw=$((raw_value * 32 / 1000000))
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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 - SIMPLIFIED FOR SAS SSDs
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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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local has_write_data=$4
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# HDDs don't have TBW
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if [[ "$disk_type" == "SATA HDD" || "$disk_type" == "SAS HDD" || "$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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# For SAS SSDs without write data, don't provide unrealistic estimates
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if [[ "$disk_type" == "SAS SSD" && "$has_write_data" == "false" ]]; then
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echo "UNKNOWN"
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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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local percent_lifetime_used=$5
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local has_write_data=$6
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# For SAS SSDs without write data, be honest about limitations
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if [[ "$disk_type" == "SAS SSD" && "$has_write_data" == "false" ]]; then
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echo "N/A|N/A|Cannot determine - SAS SSD does not expose write statistics"
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return
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fi
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if [[ -z "$power_on_hours" || "$power_on_hours" -eq 0 ]]; then
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echo "Unknown|Unknown|New drive"
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return
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fi
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if [[ "$estimated_endurance" == "N/A" ]]; then
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echo "N/A|N/A|HDD - no endurance rating"
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return
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fi
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local clean_tbw_used=$(echo "$tbw_used" | sed 's/[^0-9.]//g')
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if [[ -z "$clean_tbw_used" ]]; then
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clean_tbw_used=0
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fi
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local tbw_remaining=$((estimated_endurance - clean_tbw_used))
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if [[ $clean_tbw_used -gt 0 ]]; then
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local lifespan_used=$((clean_tbw_used * 100 / estimated_endurance))
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local lifespan_remaining=$((100 - lifespan_used))
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if [[ $lifespan_used -ge 80 ]]; then
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echo "${RED}${lifespan_remaining}%${NC}|${RED}${tbw_remaining} TB${NC}|High wear"
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elif [[ $lifespan_used -ge 50 ]]; then
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echo "${YELLOW}${lifespan_remaining}%${NC}|${YELLOW}${tbw_remaining} TB${NC}|Moderate wear"
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else
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echo "${GREEN}${lifespan_remaining}%${NC}|${GREEN}${tbw_remaining} TB${NC}|Healthy"
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fi
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else
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echo "Unknown|${estimated_endurance} TB|New"
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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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local temperature=$7
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local numeric_hours=$(extract_numeric_hours "$power_on_hours")
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if [[ -z "$numeric_hours" || "$numeric_hours" -eq 0 ]]; then
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echo "Unknown"
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return
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fi
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local severity=0
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# Critical issues
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if [[ "$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=$((severity + 1))
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fi
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# Temperature warning
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if [[ -n "$temperature" && "$temperature" -gt 50 ]]; then
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severity=$((severity + 2))
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elif [[ -n "$temperature" && "$temperature" -gt 40 ]]; then
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severity=$((severity + 1))
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fi
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# Usage-based assessment
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if [[ "$numeric_hours" -gt 50000 ]]; then
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severity=$((severity + 3))
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elif [[ "$numeric_hours" -gt 30000 ]]; then
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severity=$((severity + 2))
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elif [[ "$numeric_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" == "SATA HDD" || "$disk_type" == "SAS HDD" ]]; then
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if [[ "$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: $md"
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if command_exists mdadm; then
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local md_info=$(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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fi
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done
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}
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# Function to get capacity using direct block device methods
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get_disk_capacity() {
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local disk=$1
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local controller=$2
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local disk_type=$3
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local capacity_gb=0
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local capacity_human="Unknown"
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# Method 1: Try lsblk first
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if command_exists lsblk; then
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local lsblk_output=$(lsblk -b "$disk" -o SIZE -n 2>/dev/null)
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if [[ -n "$lsblk_output" && "$lsblk_output" =~ ^[0-9]+$ ]]; then
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capacity_gb=$((lsblk_output / 1000000000))
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fi
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fi
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# Method 2: Try fdisk
|
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if [[ $capacity_gb -eq 0 ]] && command_exists fdisk; then
|
|
local fdisk_info=$(fdisk -l "$disk" 2>/dev/null | grep "Disk $disk")
|
|
if [[ -n "$fdisk_info" ]]; then
|
|
if [[ $fdisk_info =~ ([0-9,.]+)\s*([GT])iB ]]; then
|
|
local size=$(echo "${BASH_REMATCH[1]}" | tr -d ',')
|
|
local unit="${BASH_REMATCH[2]}"
|
|
if [[ "$unit" == "T" ]]; then
|
|
capacity_gb=$((size * 1000))
|
|
else
|
|
capacity_gb=$size
|
|
fi
|
|
elif [[ $fdisk_info =~ ([0-9,.]+)\s*([GT])B ]]; then
|
|
local size=$(echo "${BASH_REMATCH[1]}" | tr -d ',')
|
|
local unit="${BASH_REMATCH[2]}"
|
|
if [[ "$unit" == "T" ]]; then
|
|
capacity_gb=$((size * 1000))
|
|
else
|
|
capacity_gb=$size
|
|
fi
|
|
elif [[ $fdisk_info =~ ([0-9,.]+)\s*bytes ]]; then
|
|
local bytes=$(echo "$fdisk_info" | grep -oE '[0-9,]+' | head -1 | tr -d ',')
|
|
capacity_gb=$((bytes / 1000000000))
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
# Method 3: Try blockdev
|
|
if [[ $capacity_gb -eq 0 ]] && command_exists blockdev; then
|
|
local blockdev_size=$(blockdev --getsize64 "$disk" 2>/dev/null)
|
|
if [[ -n "$blockdev_size" && "$blockdev_size" =~ ^[0-9]+$ ]]; then
|
|
capacity_gb=$((blockdev_size / 1000000000))
|
|
fi
|
|
fi
|
|
|
|
# Method 4: Model-based lookup
|
|
if [[ $capacity_gb -eq 0 ]]; then
|
|
local smart_cmd="smartctl"
|
|
[[ -n "$controller" ]] && smart_cmd+=" -d $controller"
|
|
local model=$($smart_cmd -i "$disk" 2>/dev/null | grep -i "Device Model:" | cut -d: -f2 | sed 's/^[ \t]*//')
|
|
[[ -z "$model" ]] && model=$($smart_cmd -i "$disk" 2>/dev/null | grep -i "Product:" | cut -d: -f2 | sed 's/^[ \t]*//')
|
|
|
|
if [[ -n "$model" && -n "${MODEL_CAPACITIES[$model]}" ]]; then
|
|
capacity_gb="${MODEL_CAPACITIES[$model]}"
|
|
fi
|
|
fi
|
|
|
|
# Generate human readable capacity
|
|
if [[ $capacity_gb -gt 0 ]]; then
|
|
if [[ $capacity_gb -ge 1000 ]]; then
|
|
local tb_capacity=$((capacity_gb / 1000))
|
|
capacity_human="${tb_capacity} TB"
|
|
else
|
|
capacity_human="${capacity_gb} GB"
|
|
fi
|
|
else
|
|
capacity_human="Unknown"
|
|
fi
|
|
|
|
echo "$capacity_gb|$capacity_human"
|
|
}
|
|
|
|
# Function to check a single disk
|
|
check_disk() {
|
|
local disk=$1
|
|
local controller=$2
|
|
|
|
local smart_cmd="smartctl"
|
|
[[ -n "$controller" ]] && smart_cmd+=" -d $controller"
|
|
|
|
print_color $CYAN "Checking disk: $disk (Controller: ${controller:-direct})"
|
|
echo "=================================================="
|
|
|
|
# Get disk information
|
|
local disk_info=$(get_disk_info "$disk" "$controller")
|
|
local disk_type=$(echo "$disk_info" | cut -d'|' -f1)
|
|
local transport=$(echo "$disk_info" | cut -d'|' -f2)
|
|
local is_enterprise=$(echo "$disk_info" | cut -d'|' -f3)
|
|
|
|
# Get basic disk information
|
|
local info=$($smart_cmd -i "$disk" 2>/dev/null)
|
|
local health=$($smart_cmd -H "$disk" 2>/dev/null)
|
|
|
|
# Check if we can read the disk
|
|
if [[ $? -ne 0 ]] || [[ -z "$info" ]]; then
|
|
print_color $YELLOW "Cannot read disk information. It may be offline, unsupported, or need controller specification."
|
|
echo ""
|
|
return
|
|
fi
|
|
|
|
# Extract disk information
|
|
local model=$(echo "$info" | grep -i "Device Model:" | cut -d: -f2 | sed 's/^[ \t]*//')
|
|
[[ -z "$model" ]] && model=$(echo "$info" | grep -i "Product:" | cut -d: -f2 | sed 's/^[ \t]*//')
|
|
|
|
local serial=$(echo "$info" | grep -i "Serial Number:" | cut -d: -f2 | sed 's/^[ \t]*//')
|
|
local firmware=$(echo "$info" | grep -i "Firmware Version:" | cut -d: -f2 | sed 's/^[ \t]*//')
|
|
[[ -z "$firmware" ]] && firmware=$(echo "$info" | grep -i "Revision:" | cut -d: -f2 | sed 's/^[ \t]*//')
|
|
|
|
# Get capacity
|
|
local capacity_info=$(get_disk_capacity "$disk" "$controller" "$disk_type")
|
|
local capacity_gb=$(echo "$capacity_info" | cut -d'|' -f1)
|
|
local capacity_human=$(echo "$capacity_info" | cut -d'|' -f2)
|
|
|
|
local health_status=$(echo "$health" | grep "result:" | cut -d: -f2 | sed 's/^[ \t]*//')
|
|
[[ -z "$health_status" ]] && health_status=$(echo "$health" | grep "SMART overall-health" | cut -d: -f2 | sed 's/^[ \t]*//')
|
|
[[ -z "$health_status" ]] && health_status=$(echo "$health" | grep "SMART Health Status" | cut -d: -f2 | sed 's/^[ \t]*//')
|
|
|
|
# Extract SMART attributes based on disk type
|
|
local power_on_hours=""
|
|
local reallocated_sectors=""
|
|
local pending_sectors=""
|
|
local start_stop_count=""
|
|
local load_cycle_count=""
|
|
local total_written=""
|
|
local host_writes_32mib=""
|
|
local temperature=""
|
|
local sas_model=""
|
|
local sas_serial=""
|
|
local sas_firmware=""
|
|
local sas_total_written=""
|
|
local media_wearout=""
|
|
local percent_lifetime_used=""
|
|
local has_write_data="false"
|
|
|
|
if [[ "$disk_type" == "SAS HDD" || "$disk_type" == "SAS SSD" ]]; then
|
|
local sas_attrs=$(get_sas_attributes "$disk" "$controller" "$disk_type")
|
|
power_on_hours=$(echo "$sas_attrs" | cut -d'|' -f1)
|
|
reallocated_sectors=$(echo "$sas_attrs" | cut -d'|' -f2)
|
|
pending_sectors=$(echo "$sas_attrs" | cut -d'|' -f3)
|
|
start_stop_count=$(echo "$sas_attrs" | cut -d'|' -f4)
|
|
load_cycle_count=$(echo "$sas_attrs" | cut -d'|' -f5)
|
|
temperature=$(echo "$sas_attrs" | cut -d'|' -f6)
|
|
sas_model=$(echo "$sas_attrs" | cut -d'|' -f7)
|
|
sas_serial=$(echo "$sas_attrs" | cut -d'|' -f8)
|
|
sas_firmware=$(echo "$sas_attrs" | cut -d'|' -f9)
|
|
sas_total_written=$(echo "$sas_attrs" | cut -d'|' -f10)
|
|
media_wearout=$(echo "$sas_attrs" | cut -d'|' -f11)
|
|
percent_lifetime_used=$(echo "$sas_attrs" | cut -d'|' -f12)
|
|
has_write_data=$(echo "$sas_attrs" | cut -d'|' -f13)
|
|
|
|
# Use SAS-extracted data if available
|
|
[[ -n "$sas_model" ]] && model="$sas_model"
|
|
[[ -n "$sas_serial" ]] && serial="$sas_serial"
|
|
[[ -n "$sas_firmware" ]] && firmware="$sas_firmware"
|
|
[[ -n "$sas_total_written" ]] && total_written="$sas_total_written"
|
|
else
|
|
local attributes=$($smart_cmd -A "$disk" 2>/dev/null)
|
|
if [[ -n "$attributes" ]]; then
|
|
power_on_hours=$(echo "$attributes" | grep "Power_On_Hours" | awk '{print $10}')
|
|
reallocated_sectors=$(echo "$attributes" | grep "Reallocated_Sector_Ct" | awk '{print $10}')
|
|
pending_sectors=$(echo "$attributes" | grep "Current_Pending_Sector" | awk '{print $10}')
|
|
start_stop_count=$(echo "$attributes" | grep "Start_Stop_Count" | awk '{print $10}')
|
|
load_cycle_count=$(echo "$attributes" | grep "Load_Cycle_Count" | awk '{print $10}')
|
|
total_written=$(echo "$attributes" | grep -E "Total_LBAs_Written|Host_Writes_32MiB" | awk '{print $10}')
|
|
host_writes_32mib=$(echo "$attributes" | grep "Host_Writes_32MiB" | awk '{print $10}')
|
|
temperature=$(echo "$attributes" | grep -i "Temperature_Celsius" | awk '{print $10}')
|
|
|
|
# For non-SAS SSDs, we assume write data is available if we found any
|
|
if [[ "$disk_type" == "SATA SSD" || "$disk_type" == "NVMe" ]]; then
|
|
if [[ -n "$total_written" || -n "$host_writes_32mib" ]]; then
|
|
has_write_data="true"
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
# Clean up extracted values
|
|
power_on_hours=$(extract_numeric_hours "$power_on_hours")
|
|
reallocated_sectors=${reallocated_sectors:-0}
|
|
pending_sectors=${pending_sectors:-0}
|
|
start_stop_count=${start_stop_count:-0}
|
|
load_cycle_count=${load_cycle_count:-0}
|
|
|
|
# Display basic information
|
|
echo "Model: ${model:-Unknown}"
|
|
echo "Serial: ${serial:-Unknown}"
|
|
echo "Type: $disk_type"
|
|
echo "Interface: $transport"
|
|
echo "Class: $($is_enterprise && echo "Enterprise" || echo "Consumer")"
|
|
echo "Capacity: $capacity_human"
|
|
echo "Firmware: ${firmware:-Unknown}"
|
|
echo "Health: ${health_status:-Unknown}"
|
|
|
|
# Show temperature if available
|
|
if [[ -n "$temperature" && "$temperature" != "0" ]]; then
|
|
echo "Temperature: ${temperature} C"
|
|
fi
|
|
|
|
# Only show Power On Hours if we have a valid value
|
|
if [[ -n "$power_on_hours" && "$power_on_hours" != "0" ]]; then
|
|
echo "Power On Hours: $power_on_hours"
|
|
else
|
|
echo "Power On Hours: Unknown"
|
|
fi
|
|
|
|
# Show wear indicators for SSDs if available
|
|
if [[ "$disk_type" == "SAS SSD" || "$disk_type" == "SATA SSD" ]]; then
|
|
if [[ -n "$media_wearout" && "$media_wearout" != "0" ]]; then
|
|
echo "Media Wearout: $media_wearout"
|
|
fi
|
|
if [[ -n "$percent_lifetime_used" && "$percent_lifetime_used" != "0" ]]; then
|
|
echo "Lifetime Used: ${percent_lifetime_used}%"
|
|
fi
|
|
fi
|
|
|
|
# Disk type specific analysis
|
|
if [[ "$disk_type" == "SATA HDD" || "$disk_type" == "SAS HDD" ]]; then
|
|
echo "Realloc Sectors: $reallocated_sectors"
|
|
echo "Pending Sectors: $pending_sectors"
|
|
|
|
# Only show mechanical counters if we have values
|
|
if [[ -n "$start_stop_count" && "$start_stop_count" != "0" ]]; then
|
|
echo "Start/Stop Count: $start_stop_count"
|
|
fi
|
|
if [[ -n "$load_cycle_count" && "$load_cycle_count" != "0" ]]; then
|
|
echo "Load Cycle Count: $load_cycle_count"
|
|
fi
|
|
|
|
local lifespan=$(estimate_hdd_lifespan "$power_on_hours" "$reallocated_sectors" "$pending_sectors" "$start_stop_count" "$load_cycle_count" "$disk_type" "$temperature")
|
|
echo "Lifespan: $lifespan"
|
|
|
|
elif [[ "$disk_type" == "SATA SSD" || "$disk_type" == "SAS SSD" || "$disk_type" == "NVMe" ]]; then
|
|
local tbw_used=0
|
|
if [[ -n "$total_written" && "$total_written" != "0" ]]; then
|
|
tbw_used=$(calculate_tbw "$disk_type" "" "$total_written")
|
|
elif [[ -n "$host_writes_32mib" && "$host_writes_32mib" != "0" ]]; then
|
|
tbw_used=$(calculate_tbw "$disk_type" "$host_writes_32mib" "")
|
|
fi
|
|
|
|
local estimated_endurance=$(get_estimated_endurance "$capacity_gb" "$is_enterprise" "$disk_type" "$has_write_data")
|
|
|
|
# Handle SAS SSDs without write data specially
|
|
if [[ "$disk_type" == "SAS SSD" && "$estimated_endurance" == "UNKNOWN" ]]; then
|
|
echo "TBW Used: Not available"
|
|
echo "TBW Endurance: Not available (SAS SSD does not expose write statistics)"
|
|
echo "Lifespan: ${GREEN}Healthy${NC} (based on SMART health status)"
|
|
else
|
|
if [[ "$estimated_endurance" != "N/A" ]]; then
|
|
echo "TBW Used: ${tbw_used} TB"
|
|
echo "TBW Endurance: ${estimated_endurance} TB (Minimum guaranteed - actual may be higher)"
|
|
|
|
local lifespan_info=$(estimate_ssd_lifespan "$power_on_hours" "$tbw_used" "$estimated_endurance" "$disk_type" "$percent_lifetime_used" "$has_write_data")
|
|
local lifespan_percent=$(echo "$lifespan_info" | cut -d'|' -f1)
|
|
local tbw_remaining=$(echo "$lifespan_info" | cut -d'|' -f2)
|
|
local wear_status=$(echo "$lifespan_info" | cut -d'|' -f3)
|
|
|
|
echo "TBW Remaining: $tbw_remaining"
|
|
echo "Lifespan: $lifespan_percent ($wear_status)"
|
|
else
|
|
echo "TBW Used: ${tbw_used} TB"
|
|
echo "Lifespan: Unknown (Cannot estimate without usage data)"
|
|
fi
|
|
fi
|
|
|
|
if [[ "$disk_type" == "SAS SSD" ]]; then
|
|
echo "Realloc Sectors: $reallocated_sectors"
|
|
echo "Pending Sectors: $pending_sectors"
|
|
fi
|
|
else
|
|
print_color $YELLOW "Unknown disk type - limited information available"
|
|
echo "Realloc Sectors: $reallocated_sectors"
|
|
echo "Pending Sectors: $pending_sectors"
|
|
fi
|
|
|
|
echo ""
|
|
}
|
|
|
|
# Function to detect RAID controllers and disks
|
|
detect_raid_disks() {
|
|
local controllers=("megaraid" "cciss" "areca" "3ware" "hpt" "aacraid" "auto")
|
|
local disks=()
|
|
|
|
# Check for direct disks first
|
|
for disk in /dev/sd[a-z] /dev/sd[a-z][a-z] /dev/nvme[0-9]n[0-9]; do
|
|
if [[ -b "$disk" ]]; then
|
|
disks+=("$disk:direct")
|
|
fi
|
|
done
|
|
|
|
# Check for RAID controllers
|
|
for controller in "${controllers[@]}"; do
|
|
for i in {0..31}; do
|
|
for base_disk in "/dev/sda" "/dev/sg$i" "/dev/sr$i"; do
|
|
if smartctl -d "$controller,$i" -i "$base_disk" >/dev/null 2>&1; then
|
|
disks+=("$base_disk:$controller,$i")
|
|
break
|
|
fi
|
|
done
|
|
done
|
|
done
|
|
|
|
echo "${disks[@]}"
|
|
}
|
|
|
|
# Main function
|
|
main() {
|
|
print_color $BLUE "Disk Health Check Script v$VERSION for Harvester OS"
|
|
print_color $BLUE "Created by Adam T. Lau"
|
|
print_color $BLUE "===================================================="
|
|
echo ""
|
|
|
|
local disks=()
|
|
|
|
# Check for soft-raid first
|
|
check_mdraid
|
|
|
|
# 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 $CYAN "Trying direct disk access..."
|
|
for disk in /dev/sda /dev/sdb /dev/sdc /dev/nvme0n1; do
|
|
if [[ -b "$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!"
|
|
echo ""
|
|
print_color $YELLOW "Note: SAS SSDs often do not expose write statistics through SMART."
|
|
print_color $YELLOW " TBW information may not be available for these drives."
|
|
print_color $YELLOW " SSD/NVMe TBW endurance may be higher depending on the specific model."
|
|
}
|
|
|
|
# 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 " $SCRIPT_NAME /dev/sda /dev/nvme0n1 # Check multiple disks"
|
|
echo ""
|
|
echo "Supported: SATA HDD/SSD, SAS HDD/SSD, NVMe, Hardware RAID, Software RAID"
|
|
echo "Created by Adam T. Lau"
|
|
}
|
|
|
|
# Parse command line arguments
|
|
case "${1:-}" in
|
|
-h|--help)
|
|
usage
|
|
exit 0
|
|
;;
|
|
-v|--version)
|
|
echo "$SCRIPT_NAME version $VERSION"
|
|
echo "Created by Adam T. Lau"
|
|
exit 0
|
|
;;
|
|
*)
|
|
main "$@"
|
|
;;
|
|
esac
|