mdw@git.distorted.org.uk Git - rcheck/blob - check.d/disks

   1 #! /bin/bash
   2 ###
   3 ### Check the health of attached physical disks.
   4
   5 set -e
   6
   7 ## Build a list of actual disk devices according to their buses.
   8 disks=
   9 for p in /sys/class/block/*; do
  10   bus=none devtype=none idtype=none
  11   while read code assg; do
  12     case "$assg" in
  13       DEVNAME=*) name=${assg#*=} ;;
  14       ID_BUS=*) bus=${assg#*=} ;;
  15       DEVTYPE=*) devtype=${assg#*=} ;;
  16       ID_TYPE=*) idtype=${assg#*=} ;;
  17     esac
  18   done <<EOF
  19 $(udevadm info --query=all --path=$p)
  20 EOF
  21   case "$bus,$devtype,$idtype" in
  22     ata,disk,disk | scsi,disk,disk) disks=${disks+$disks }$name ;;
  23   esac
  24 done
  25
  26 ## Now go through each disk.
  27 for disk in $disks; do
  28   set +e; smartctl -qsilent $disk; rc=$?; set -e
  29   if (( $rc & 2 )); then continue; fi
  30
  31   if (( $rc & 8 )); then echo "W: SMART reports disk $disk failing"; fi
  32
  33   smartctl -A $disk |
  34   while read id attr flag value worst thresh type upd when raw; do
  35     case "$id" in *[!0-9]*) continue ;; ?*) ;; *) continue ;; esac
  36     while :; do
  37       case "$value" in 0*?) value=${value#0} ;; *) break ;; esac;
  38     done
  39     while :; do
  40       case "$thresh" in 0*?) thresh=${thresh#0} ;; *) break ;; esac;
  41     done
  42     case "$attr,$raw,$when" in
  43       Current_Pending_Sector,*[!0]*,*)
  44         echo "W: disk $disk has $raw pending sector(s)"
  45         ;;
  46       Offline_Uncorrectable,*[!0]*,*)
  47         echo "W: disk $disk has $raw offline-uncorrectable sector(s)"
  48         ;;
  49       *,*,FAILING_NOW)
  50         echo "W: disk $disk attribute $attr failing (value = $raw)"
  51         ;;
  52       *)
  53         if (( $value < $thresh )); then
  54           echo "I: disk $disk attribute $attr below thresh (value = $raw)"
  55         fi
  56         ;;
  57     esac
  58   done
  59 done