3 ### Check the health of attached physical disks.
6 if [ ! -x /usr/sbin/smartctl ]; then exit 0; fi
8 ## Build a list of actual disk devices according to their buses.
10 for p in /sys/class/block/*; do
11 bus=none devtype=none idtype=none
12 while read code assg; do
14 DEVNAME=*) name=${assg#*=} ;;
15 ID_BUS=*) bus=${assg#*=} ;;
16 DEVTYPE=*) devtype=${assg#*=} ;;
17 ID_TYPE=*) idtype=${assg#*=} ;;
20 $(udevadm info --query=all --path=$p)
22 case "$bus,$devtype,$idtype" in
23 ata,disk,disk | scsi,disk,disk) disks=${disks+$disks }$name ;;
27 ## Now go through each disk.
28 for disk in $disks; do
29 set +e; smartctl -qsilent $disk; rc=$?; set -e
30 if (( $rc & 2 )); then continue; fi
32 if (( $rc & 8 )); then echo "W: SMART reports disk $disk failing"; fi
35 while read id attr flag value worst thresh type upd when raw; do
36 case "$id" in *[!0-9]*) continue ;; ?*) ;; *) continue ;; esac
38 case "$value" in 0*?) value=${value#0} ;; *) break ;; esac;
41 case "$thresh" in 0*?) thresh=${thresh#0} ;; *) break ;; esac;
43 case "$attr,$raw,$when" in
44 Current_Pending_Sector,*[!0]*,*)
45 echo "W: disk $disk has $raw pending sector(s)"
47 Offline_Uncorrectable,*[!0]*,*)
48 echo "W: disk $disk has $raw offline-uncorrectable sector(s)"
51 echo "W: disk $disk attribute $attr failing (value = $raw)"
54 if (( $value < $thresh )); then
55 echo "I: disk $disk attribute $attr below thresh (value = $raw)"