did way to much,,,,,, mostly added monitors, but almost every file was edited in some way
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#!/bin/bash
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# -----------------------------------------------------------------------------------------------
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# --------------------------------- SMART Health Monitor ---------------------------------------
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# -----------------------------------------------------------------------------------------------
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# Checks SMART health attributes for all drives on the system.
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# Reads data live from each drive via smartctl — no persistent writes.
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#
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# Monitored attributes:
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# Reallocated_Sector_Ct — bad sectors remapped — any > 0 is concerning
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# Current_Pending_Sector — sectors waiting for reallocation — any > 0 is concerning
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# Offline_Uncorrectable — sectors that could not be corrected — any > 0 is critical
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# Temperature_Celsius — drive temperature vs SMART_TEMP_WARN / SMART_TEMP_CRIT
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# Power_On_Hours — informational — drive age estimation
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# SMART overall status — pass/fail per drive
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#
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# Discovers drives automatically — no configuration needed for drive list.
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# SMART_IGNORE_DRIVES allows skipping specific drives (e.g. USB flash drives).
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#
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# All configuration in Master.conf under SMART Health section.
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# Supports --dry-run to show which drives would be checked without running smartctl.
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# -----------------------------------------------------------------------------------------------
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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source "$SCRIPT_DIR/../Master.conf"
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source "$SCRIPT_DIR/../common.sh"
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parse_args "$@"
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# -----------------------------------------------------------------------------------------------
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# ━━━ $ICON_GEAR Setup ━━━
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# -----------------------------------------------------------------------------------------------
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echo ""
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echo "━━━ $ICON_GEAR Setup ━━━"
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if [[ "$EUID" -ne 0 ]]; then
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error "Must be run as root"
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exit 1
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fi
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success "Running as root"
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if ! command -v smartctl >/dev/null 2>&1; then
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error "smartctl not found — install smartmontools"
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notify "SMART health check failed on $(hostname) — smartmontools not installed" "SMART Health" "warning"
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exit 1
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fi
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success "smartctl available"
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# -----------------------------------------------------------------------------------------------
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# ━━━ $ICON_SUMMARY Status ━━━
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# -----------------------------------------------------------------------------------------------
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if [[ "$SHOW_STATUS" == true ]]; then
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echo ""
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echo "━━━━━ $ICON_SUMMARY STATUS ━━━━━"
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echo "$ICON_SMART Temp warn: ${SMART_TEMP_WARN}°C"
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echo "$ICON_SMART Temp crit: ${SMART_TEMP_CRIT}°C"
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echo "$ICON_SMART Ignore drives: ${SMART_IGNORE_DRIVES[*]:-none}"
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echo "$ICON_GEAR Dry Run: $DRY_RUN"
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echo ""
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# Show drives that would be checked
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echo "━━━ Discovered Drives ━━━"
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for drive in /dev/sd? /dev/nvme?; do
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[[ ! -e "$drive" ]] && continue
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drive_name=$(basename "$drive")
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ignored=false
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for ignore in "${SMART_IGNORE_DRIVES[@]}"; do
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[[ "$drive_name" == "$ignore" ]] && ignored=true && break
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done
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if [[ "$ignored" == true ]]; then
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echo " $ICON_WARN $drive — ignored"
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else
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echo " $ICON_SMART $drive — would check"
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fi
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done
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echo "━━━━━━━━━━━━━━━━━━━━━━━"
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exit 0
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fi
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[[ "$DRY_RUN" == true ]] && warn "DRY RUN — showing drive list only, no SMART data read"
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# -----------------------------------------------------------------------------------------------
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# HELPER — extract SMART attribute value
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# Usage: get_smart_attr "/dev/sda" "Reallocated_Sector_Ct"
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# -----------------------------------------------------------------------------------------------
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get_smart_attr() {
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local drive="$1" attr="$2"
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smartctl -A "$drive" 2>/dev/null | \
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awk -v attr="$attr" '$2 == attr {print $10}'
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}
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# -----------------------------------------------------------------------------------------------
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# ━━━ $ICON_SMART SMART Health Check ━━━
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# -----------------------------------------------------------------------------------------------
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echo ""
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echo "━━━ $ICON_SMART SMART Health Check — $(date '+%Y-%m-%d %H:%M:%S') ━━━"
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echo ""
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START=$(date +%s)
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DRIVES_OK=()
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DRIVES_WARN=()
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DRIVES_CRIT=()
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DRIVES_SKIP=()
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for drive in /dev/sd? /dev/nvme?; do
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[[ ! -e "$drive" ]] && continue
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drive_name=$(basename "$drive")
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# Check ignore list
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ignored=false
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for ignore in "${SMART_IGNORE_DRIVES[@]}"; do
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[[ "$drive_name" == "$ignore" ]] && ignored=true && break
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done
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if [[ "$ignored" == true ]]; then
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info "$drive_name — ignored (in SMART_IGNORE_DRIVES)"
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DRIVES_SKIP+=("$drive_name")
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continue
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fi
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echo "━━━ $ICON_SMART $drive_name ━━━"
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if [[ "$DRY_RUN" == true ]]; then
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warn "DRY RUN — would check $drive_name"
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echo ""
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continue
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fi
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# Check if drive supports SMART
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if ! smartctl -i "$drive" 2>/dev/null | grep -q "SMART support is: Enabled"; then
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warn "$drive_name — SMART not enabled or not supported"
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DRIVES_SKIP+=("$drive_name")
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echo ""
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continue
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fi
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# Overall SMART status
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SMART_STATUS=$(smartctl -H "$drive" 2>/dev/null | grep "overall-health" | awk '{print $NF}')
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if [[ "$SMART_STATUS" == "PASSED" ]]; then
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success "Overall status: PASSED"
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else
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error "Overall status: $SMART_STATUS"
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fi
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# Key attributes
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DRIVE_WARN=false
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DRIVE_CRIT=false
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# Reallocated sectors
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REALLOC=$(get_smart_attr "$drive" "Reallocated_Sector_Ct")
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if [[ -n "$REALLOC" ]]; then
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if [[ "$REALLOC" -gt 0 ]]; then
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warn "$ICON_SMART Reallocated sectors: $REALLOC — drive showing wear"
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DRIVE_WARN=true
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else
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success "$ICON_SMART Reallocated sectors: $REALLOC"
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fi
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fi
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# Pending sectors
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PENDING=$(get_smart_attr "$drive" "Current_Pending_Sector")
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if [[ -n "$PENDING" ]]; then
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if [[ "$PENDING" -gt 0 ]]; then
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warn "$ICON_SMART Pending sectors: $PENDING — sectors awaiting reallocation"
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DRIVE_WARN=true
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else
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success "$ICON_SMART Pending sectors: $PENDING"
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fi
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fi
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# Uncorrectable sectors
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UNCORR=$(get_smart_attr "$drive" "Offline_Uncorrectable")
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if [[ -n "$UNCORR" ]]; then
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if [[ "$UNCORR" -gt 0 ]]; then
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error "$ICON_SMART Uncorrectable sectors: $UNCORR — CRITICAL"
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DRIVE_CRIT=true
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else
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success "$ICON_SMART Uncorrectable sectors: $UNCORR"
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fi
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fi
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# Temperature
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TEMP=$(get_smart_attr "$drive" "Temperature_Celsius")
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# NVMe uses different attribute name
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[[ -z "$TEMP" ]] && TEMP=$(smartctl -A "$drive" 2>/dev/null | \
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awk '/Temperature/{print $2}' | head -1)
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if [[ -n "$TEMP" ]]; then
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if [[ "$TEMP" -ge "$SMART_TEMP_CRIT" ]]; then
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error "$ICON_SMART Temperature: ${TEMP}°C — CRITICAL (threshold: ${SMART_TEMP_CRIT}°C)"
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DRIVE_CRIT=true
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elif [[ "$TEMP" -ge "$SMART_TEMP_WARN" ]]; then
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warn "$ICON_SMART Temperature: ${TEMP}°C — warning (threshold: ${SMART_TEMP_WARN}°C)"
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DRIVE_WARN=true
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else
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success "$ICON_SMART Temperature: ${TEMP}°C"
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fi
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fi
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# Power on hours — informational
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POH=$(get_smart_attr "$drive" "Power_On_Hours")
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if [[ -n "$POH" ]]; then
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POH_DAYS=$(( POH / 24 ))
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info "$ICON_SMART Power on hours: $POH (${POH_DAYS} days)"
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fi
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# Classify drive
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if [[ "$DRIVE_CRIT" == true ]]; then
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DRIVES_CRIT+=("$drive_name")
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elif [[ "$DRIVE_WARN" == true ]]; then
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DRIVES_WARN+=("$drive_name")
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else
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DRIVES_OK+=("$drive_name")
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fi
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echo ""
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done
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END=$(date +%s)
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# -----------------------------------------------------------------------------------------------
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# ━━━ $ICON_SUMMARY Summary ━━━
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# -----------------------------------------------------------------------------------------------
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echo "━━━━━ $ICON_SUMMARY SMART HEALTH SUMMARY ━━━━━"
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echo "$ICON_TIME Duration: $(format_duration $((END - START)))"
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echo ""
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echo " $ICON_SUCCESS Healthy: ${#DRIVES_OK[@]} $ICON_WARN Warning: ${#DRIVES_WARN[@]} $ICON_ERROR Critical: ${#DRIVES_CRIT[@]} skipped: ${#DRIVES_SKIP[@]}"
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echo ""
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[[ ${#DRIVES_OK[@]} -gt 0 ]] && echo " $ICON_SUCCESS ${DRIVES_OK[*]}"
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[[ ${#DRIVES_WARN[@]} -gt 0 ]] && echo " $ICON_WARN ${DRIVES_WARN[*]}"
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[[ ${#DRIVES_CRIT[@]} -gt 0 ]] && echo " $ICON_ERROR ${DRIVES_CRIT[*]}"
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echo ""
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if [[ "$DRY_RUN" == true ]]; then
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echo "$ICON_WARN Status: DRY RUN"
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elif [[ ${#DRIVES_CRIT[@]} -gt 0 ]]; then
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echo "$ICON_ERROR Status: CRITICAL — ${DRIVES_CRIT[*]}"
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notify "SMART CRITICAL on $(hostname) — drives need immediate attention: ${DRIVES_CRIT[*]}" "SMART Health" "warning"
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elif [[ ${#DRIVES_WARN[@]} -gt 0 ]]; then
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echo "$ICON_WARN Status: WARNING — ${DRIVES_WARN[*]}"
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notify "SMART WARNING on $(hostname) — drives showing wear: ${DRIVES_WARN[*]}" "SMART Health" "warning"
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else
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echo "$ICON_DONE Status: $ICON_SUCCESS ALL DRIVES HEALTHY"
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notify "SMART health check passed on $(hostname) — ${#DRIVES_OK[@]} drives healthy" "SMART Health" "normal"
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fi
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echo "━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━"
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