124 lines
3.6 KiB
Bash
Executable File
124 lines
3.6 KiB
Bash
Executable File
#!/bin/sh
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#
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# Show SMART stats
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#
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helpstr="
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smart: Show SMART temperature and error stats (specific to drive type)
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smartx: Show SMART extended drive stats (specific to drive type).
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temp: Show SMART drive temperature in celsius (all drives).
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health: Show reported SMART status (all drives).
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r_proc: Show SMART read GBytes processed over drive lifetime (SAS).
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w_proc: Show SMART write GBytes processed over drive lifetime (SAS).
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r_ucor: Show SMART read uncorrectable errors (SAS).
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w_ucor: Show SMART write uncorrectable errors (SAS).
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nonmed: Show SMART non-medium errors (SAS).
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defect: Show SMART grown defect list (SAS).
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hours_on: Show number of hours drive powered on (all drives).
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realloc: Show SMART reallocated sectors count (ATA).
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rep_ucor: Show SMART reported uncorrectable count (ATA).
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cmd_to: Show SMART command timeout count (ATA).
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pend_sec: Show SMART current pending sector count (ATA).
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off_ucor: Show SMART offline uncorrectable errors (ATA).
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ata_err: Show SMART ATA errors (ATA).
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pwr_cyc: Show SMART power cycle count (ATA).
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serial: Show disk serial number.
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"
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script=$(basename "$0")
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if [ "$1" = "-h" ] ; then
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echo "$helpstr" | grep "$script:" | tr -s '\t' | cut -f 2-
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exit
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fi
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smartctl_path=$(which smartctl)
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if [ -b "$VDEV_UPATH" ] && [ -x "$smartctl_path" ]; then
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raw_out=$(eval "sudo $smartctl_path -a $VDEV_UPATH")
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# Are we a SAS or ATA drive? Look for the right line in smartctl:
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#
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# SAS:
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# Transport protocol: SAS
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#
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# SATA:
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# ATA Version is: 8
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#
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type=$(echo "$raw_out" | grep -m 1 -Eo '^ATA|SAS$')
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out=$(echo "$raw_out" | awk '
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# SAS specific
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/read:/{print "rrd="$4"\nr_cor="$5"\nr_proc="$7"\nr_ucor="$8}
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/write:/{print "rwr="$4"\nw_cor="$5"\nw_proc="$7"\nw_ucor="$8}
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/Non-medium error count/{print "nonmed="$4}
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/Elements in grown defect list/{print "defect="$6}
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# SAS common
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/Drive Temperature:/{print "temp="$4}
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# Status can be a long string, substitute spaces for '_'
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/SMART Health Status:/{printf "health="; for(i=4;i<=NF-1;i++){printf "%s_", $i}; printf "%s\n", $i}
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/number of hours powered up/{print "hours_on="$7}
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/Serial number:/{print "serial="$3}
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# SATA specific
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/Reallocated_Sector_Ct/{print "realloc="$10}
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/Reported_Uncorrect/{print "rep_ucor="$10}
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/Command_Timeout/{print "cmd_to="$10}
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/Current_Pending_Sector/{print "pend_sec="$10}
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/Offline_Uncorrectable/{print "off_ucor="$10}
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/ATA Error Count:/{print "ata_err="$4}
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/Power_Cycle_Count/{print "pwr_cyc="$10}
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# SATA common
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/Temperature_Celsius/{print "temp="$10}
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/SMART overall-health self-assessment test result:/{print "health="$6}
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/Power_On_Hours/{print "hours_on="$10}
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/Serial Number:/{print "serial="$3}
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END {ORS="\n"; print ""}
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');
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fi
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# if type is not set by now, either we don't have a block device
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# or smartctl failed. Either way, default to ATA and set out to
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# nothing
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if [ -z "$type" ]; then
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type="ATA"
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out=
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fi
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case $script in
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smart)
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# Print temperature plus common predictors of drive failure
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if [ "$type" = "SAS" ] ; then
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scripts="temp|health|r_ucor|w_ucor"
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elif [ "$type" = "ATA" ] ; then
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scripts="temp|health|ata_err|realloc|rep_ucor|cmd_to|pend_sec|off_ucor"
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fi
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;;
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smartx)
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# Print some other interesting stats
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if [ "$type" = "SAS" ] ; then
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scripts="hours_on|defect|nonmed|r_proc|w_proc"
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elif [ "$type" = "ATA" ] ; then
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scripts="hours_on|pwr_cyc"
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fi
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;;
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*)
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scripts="$script"
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esac
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with_vals=$(echo "$out" | grep -E "$scripts")
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if [ ! -z "$with_vals" ]; then
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echo "$with_vals"
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without_vals=$(echo "$scripts" | tr "|" "\n" |
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grep -v -E "$(echo "$with_vals" |
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awk -F "=" '{print $1}')" | awk '{print $0"="}')
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else
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without_vals=$(echo "$scripts" | tr "|" "\n" | awk '{print $0"="}')
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fi
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if [ ! -z "$without_vals" ]; then
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echo "$without_vals"
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fi
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