[Howto] Install hddtemp

**Denmike** · 30-08-2007, 20:43

Hddtemp is a small utility that gives you the temperature of your hard drive by reading S.M.A.R.T. informations.

For compilling:

Code:

wget http://download.savannah.nongnu.org/releases/hddtemp/hddtemp-0.3-beta15.tar.bz2
bunzip2 hddtemp-0.3-beta15.tar.bz2
tar -xf hddtemp-0.3-beta15.tar
cd hddtemp-0.3-beta15

Change in configure first string from /bin/sh to /opt/bin/bash

Code:

./configure --prefix=/opt --build=mips
make
sudo cp src/hddtemp /opt/bin/
wget http://www.guzu.net/linux/hddtemp.db
sudo cp hddtemp.db /opt/etc/
sudo chmod a+s /opt/bin/hddtemp

After that you can see the temperature of your HDD via command:

Code:

 hddtemp -f /opt/etc/hddtemp.db /dev/ide/host2/bus0/target0/lun0/disc

/dev/ide/host2/bus0/target0/lun0/disc: HDT722516DLAT80: 44?C

You must install buildroot package for compilling hddtemp.

**Denmike** · 06-09-2007, 08:44

For creating graph of HDD temperature we can use rrdtool (original script is here)

How to install:

1. ipkg install rrdtool perl and setup cron like desribed on this forum
2.

Code:

sudo rrdtool create /opt/var/lib/rrd/hddtemp_hda.rrd -s 300 DS:hda:GAUGE:600:0:100 RRA:AVERAGE:0.5:1:576 RRA:AVERAGE:0.5:6:672 RRA:AVERAGE:0.5:24:732 RRA:AVERAGE:0.5:144:1460

3. Then create hddtemp.pl and copy it to /opt/etc/cron.5mins

Code:

#!/opt/bin/perl
#
# Copyright Martin Pot 2003
# http://martybugs.net/linux/hddtemp.cgi

use RRDs;

# define location of rrdtool binary
my $rrdtool = '/opt/bin/rrdtool';
# define location of rrdtool databases
my $rrd = '/opt/var/lib/rrd';
# define location of images
my $img = '/shares/MYVOLUME1/MYSHARE1/images/';

# define image size parameters
my $size = '-h 80 -w 600';

## HDD Temperatures #########################

# get hdd temp for master drive on secondary IDE channel
my $hda=`/opt/bin/hddtemp -f /opt/share/misc/hddtemp.db -n /dev/ide/host2/bus0/target0/lun0/disc`;
# remove eol chars and white space
$hda =~ s/[\n ]//g;
print "hda temp: $hda degrees C\n";
# insert value into rrd
`$rrdtool update $rrd/hddtemp_hda.rrd -t hda N:$hda`;

################################################

# daily hdd temp graph
RRDs::graph "$img/hddtemp-day.png",
	"--lazy",
        "-t", "HDD Temperatures",
        "-h", "200", "-w", "600",
        "-a", "PNG",
        "-v", "degrees C",
        "DEF:hda=$rrd/hddtemp_hda.rrd:hda:AVERAGE",
        "LINE2:hda#0000FF:hda 160Gb-Hitachi",
        "GPRINT:hda:MIN:  Min hda\\: %2.lf",
        "GPRINT:hda:LAST: Current hda\\: %2.lf degrees C\\n";
if ($ERROR = RRDs::error) { print "$0: unable to generate graph: $ERROR\n"; }

# weekly system load graph
RRDs::graph "$img/hddtemp-week.png",
	"-s", "-1week", "--lazy",
        "-t", "HDD Temperatures",
        "-h", "200", "-w", "600",
        "-a", "PNG",
        "-v", "degrees C",
        "DEF:hda=$rrd/hddtemp_hda.rrd:hda:AVERAGE",
        "LINE2:hda#0000FF:hda 120Gb-SYS-Seagate",
        "GPRINT:hda:MIN:  Min hda\\: %2.lf",
        "GPRINT:hda:MAX: Max hda\\: %2.lf",
        "GPRINT:hda:LAST: Current hda\\: %2.lf degrees C\\n";
if ($ERROR = RRDs::error) { print "$0: unable to generate graph: $ERROR\n"; }

# monthly system load graph
RRDs::graph "$img/hddtemp-month.png",
	"-s", "-1month", "--lazy",
        "-t", "HDD Temperatures",
        "-h", "200", "-w", "600",
        "-a", "PNG",
        "-v", "degrees C",
        "DEF:hda=$rrd/hddtemp_hda.rrd:hda:AVERAGE",
        "LINE2:hda#0000FF:hda 120Gb-SYS",
        "GPRINT:hda:MIN:  Min hda\\: %2.lf",
        "GPRINT:hda:MAX: Max hda\\: %2.lf",
        "GPRINT:hda:LAST: Current hda\\: %2.lf degrees C\\n";
if ($ERROR = RRDs::error) { print "$0: unable to generate graph: $ERROR\n"; }

# yearly system load graph
RRDs::graph "$img/hddtemp-year.png",
	"-s", "-1year", "--lazy",
        "-t", "HDD Temperatures",
        "-h", "200", "-w", "600",
        "-a", "PNG",
        "-v", "degrees C",
        "DEF:hda=$rrd/hddtemp_hda.rrd:hda:AVERAGE",
        "LINE2:hda#0000FF:hda 120Gb-SYS-Seagate",
        "GPRINT:hda:MIN:  Min hda\\: %2.lf",
        "GPRINT:hda:MAX: Max hda\\: %2.lf",
        "GPRINT:hda:LAST: Current hda\\: %2.lf degrees C\\n";
if ($ERROR = RRDs::error) { print "$0: unable to generate graph: $ERROR\n"; }

4. Change path to store images in string to somewhere in your webserver directory for accessing outside:

Code:

my $img = '/shares/MYVOLUME1/MYSHARE1/images/';

5. Now you can see graph of temperature of your disk. Images update every 5 mins with cron.

**trider** · 14-12-2007, 00:10

When I try, I get this:

Code:

[admin@(none) root]$ hddtemp -f /opt/etc/hddtemp.db /dev/discs/disc0/disc
/dev/discs/disc0/disc: Hitachi HDT725032VLAT80: S.M.A.R.T. not available

Am I missing anything ?

**al37919** · 14-12-2007, 13:45

AFAIK not all usb converters let the SMART info to pass through. May be you have bad luck...

**Denmike** · 16-12-2007, 06:52

I think, in this case there is no temperature sensor at the disk. But I see it for first time. All modern HDD's have this sensor.

**naves** · 06-03-2008, 00:00

HDD HITACHI HDT725025VLA380 SATA via ViPower VPA35018, 3'5 SATA USB BOX

Code:

[root@asus root]$ smartctl -d scsi /dev/discs/disc0/disc --all
smartctl version 5.37 [mipsel-unknown-linux-gnu] Copyright (C) 2002-6 Bruce Alle
n
Home page is http://smartmontools.sourceforge.net/

Device: Hitachi  HDT725025VLA380  Version:
Device type: disk
Local Time is: Thu Mar  6 02:50:27 2008 MSK
Device supports SMART and is Enabled
Temperature Warning Disabled or Not Supported
SMART Health Status: OK

Error Counter logging not supported
Device does not support Self Test logging
[root@asus root]$ hddtemp -f /opt/etc/hddtemp.db /dev/discs/disc0/disc
/dev/discs/disc0/disc: log sense failed : Invalid argument

smart is working.
hddtemp writes error.
strace:

Code:

[root@asus root]$ strace hddtemp -f /opt/etc/hddtemp.db /dev/discs/disc0/disc
execve("/opt/usr/bin/hddtemp", ["hddtemp", "-f", "/opt/etc/hddtemp.db", "/dev/di
scs/disc0/disc"], [/* 10 vars */]) = 0
svr4_syscall()                          = -1 ERRNO_4090 (Unknown error 4090)
stat("/opt/etc/ld.so.cache", {st_mode=S_IFREG|0644, st_size=9818, ...}) = 0
open("/opt/etc/ld.so.cache", O_RDONLY)  = 3
old_mmap(NULL, 9818, PROT_READ, MAP_SHARED, 0, 0) = 0x2ab00000
close(3)                                = 0
open("/opt/lib", O_RDONLY)              = 3
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0) = 0x
2aaa9000
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\10\0\1\0\0\0\220\5\0\0004\0\0\0"...
, 4096) = 3072
old_mmap(NULL, 69632, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2aaaa000
old_mmap(0x2aaaa000, 1992, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, -1, 0) =
0x2aaaa000
old_mmap(0x2aaba000, 2036, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0) =
0x2aaba000
close(3)                                = 0
munmap(0x2aaa9000, 4096)                = 0
open("/opt/lib/libc.so.0", O_RDONLY)    = 3
old_mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, 0, 0) = 0x
2aaa9000
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 40
96) = 4096
old_mmap(NULL, 741376, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x2ab03000

old_mmap(0x2ab03000, 645496, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_FIXED, -1, 0)
= 0x2ab03000
old_mmap(0x2abb1000, 4696, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED, 3, 0) =
0x2abb1000
old_mmap(0x2abb3000, 19168, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANON
YMOUS, -1, 0) = 0x2abb3000
close(3)                                = 0
munmap(0x2aaa9000, 4096)                = 0
munmap(0x2ab00000, 9818)                = 0
ioctl(0, TIOCNXCL, {B38400 opost isig icanon echo ...}) = 0
ioctl(1, TIOCNXCL, {B38400 opost isig icanon echo ...}) = 0
brk(0)                                  = 0x4179c4
brk(0x4189c4)                           = 0x4189c4
brk(0x419000)                           = 0x419000
open("/dev/discs/disc0/disc", O_RDONLY|O_NONBLOCK) = 3
ioctl(3, 0x5386, 0x7fff7a88)            = 0
ioctl(3, 0x2285, {'S', SG_DXFER_FROM_DEV, cmd[6]=[12, 00, 00, 00, 24, 00], mx_sb
_len=0, iovec_count=0, dxfer_len=36, timeout=3000, flags=0}) = -1 EINVAL (Invali
d argument)
ioctl(3, FIBMAP, 0x7fff7220)            = 0
ioctl(3, 0x30d, 0x417780)               = -1 EINVAL (Invalid argument)
ioctl(3, 0x5386, 0x7fff7cb0)            = 0
ioctl(3, FIBMAP, 0x7fff7428)            = 0
ioctl(3, FIBMAP, 0x7fff6ee8)            = 0
ioctl(3, FIBMAP, 0x7fff6ee0)            = 0
ioctl(3, FIBMAP, 0x7fff7000)            = 134217730
close(3)                                = 0
write(2, "/dev/discs/disc0/disc", 21/dev/discs/disc0/disc)   = 21
write(2, ": ", 2: )                       = 2
write(2, "log sense failed : Invalid argum"..., 35log sense failed : Invalid arg
ument) = 35
write(2, "\n", 1
)                       = 1
exit(0)                                 = ?
[root@asus root]$

**James Bond 007** · 26-02-2012, 06:46

I'm losing 4-8 MB of memory with the attached script using this firmware on a WL-500GP v2. Since I'm running it every two minutes from cron, it eats up my memory in a day and the router either reboots or becomes inaccessible and have to cut the power.

I'm not an experienced Linux user. Tried ps aux, it doesn't show a change over time. Tried to call digitemp and rrdupdate from command line, no memory leak happens then.

Could you gurus take a look at my script and point out any suspicious lines or show me more ways to investigate this? TIA.

Code:

#!/bin/sh
log="/opt/var/log/temperature.log"
err_log="/opt/var/log/digitemp.log"
home="/opt/var/lib/rrd/digitemp"
date=`date "+%Y-%m-%d %H:%M:%S"`

t=`/opt/bin/digitemp_DS2490 -q -a -o"%R %4.1C" -c ${home}/.digitemprc`

# Loop, read each valua and add it to the database. Odd values are sensor ID. E$
i=1
echo -n "$date" >> $log
for LINE in $t ; do
   let "odd = $i % 2"
   if [ $odd -eq 1 ]; then
      Sensor=$LINE
   else
      Temperature=$LINE

      #  heartbeat on every 60s ( 1min.)
      #    1:1500   -> 1500 sample per every 1min  -> 25h   ( 1 day   + 1 hour )
      #    5:2160   -> 2100 sample per every 5min  -> 180h  ( 1 week  + 0.5 day$
      #    15:3024  -> 3024 sample per every 15min -> 756h  ( 1 month + 0.5 day$
      #    240:2190 -> 2190 sample per every 4h    -> 8760h ( 365 days)
      if [ ! -e ${home}/${Sensor}.rrd ]; then
         echo  "Creating new database for Sensor $Sensor " >> $err_log
         /opt/bin/rrdtool create ${home}/${Sensor}.rrd \
                --step 60 \
                DS:temp:GAUGE:300:-40:100 \
                RRA:AVERAGE:0.5:1:1500 \
                RRA:AVERAGE:0.5:5:2160 \
                RRA:AVERAGE:0.5:15:3024 \
                RRA:AVERAGE:0.5:240:2190
      fi
      echo -n ",${Sensor},${Temperature}" >> $log
      /opt/bin/rrdupdate ${home}/${Sensor}.rrd  N:${Temperature}
   fi
   let i=i+1
done
echo "" >> $log

Run results:

Code:

[admin@WL500 digitemp]$ free
              total         used         free       shared      buffers
  Mem:        30324        27108         3216            0         6032
 Swap:        62712            0        62712
Total:        93036        27108        65928
[admin@WL500 digitemp]$ /opt/usr/bin/temp.sh
[admin@WL500 digitemp]$ free
              total         used         free       shared      buffers
  Mem:        30324        27112         3212            0         6036
 Swap:        62712            0        62712
Total:        93036        27112        65924
[admin@WL500 digitemp]$ /opt/usr/bin/temp.sh
[admin@WL500 digitemp]$ free
              total         used         free       shared      buffers
  Mem:        30324        27128         3196            0         6048
 Swap:        62712            0        62712
Total:        93036        27128        65908
[admin@WL500 digitemp]$

Code:

[admin@WL500 digitemp]$ /opt/bin/procps-ps aux
USER       PID %CPU %MEM    VSZ   RSS TTY      STAT START   TIME COMMAND
admin        1  0.0  2.1   2384   648 ?        S    Feb25   0:01 /sbin/init
admin        2  0.0  0.0      0     0 ?        S    Feb25   0:00 [keventd]
admin        3  0.2  0.0      0     0 ?        RN   Feb25   3:56 [ksoftirqd_CPU]
admin        4  0.0  0.0      0     0 ?        S    Feb25   0:00 [kswapd]
admin        5  0.0  0.0      0     0 ?        S    Feb25   0:00 [bdflush]
admin        6  0.0  0.0      0     0 ?        S    Feb25   0:00 [kupdated]
admin        7  0.0  0.0      0     0 ?        S    Feb25   0:00 [mtdblockd]
admin       61  0.0  1.0   2692   332 ?        S    Feb25   0:01 telnetd
admin       66  0.0  1.5   1944   468 ?        S    Feb25   0:07 httpd vlan1
admin       67  0.0  1.8   1936   552 ?        Ss   Feb25   0:01 nas /tmp/nas.la
admin       70  0.0  1.1   2684   360 ?        S    Feb25   0:00 klogd
nobody      73  0.0  1.6    968   496 ?        S    Feb25   0:01 [dnsmasq]
admin       74  0.0  1.3   2688   400 ?        S    Feb25   0:00 syslogd -m 0 -O
admin       75  0.0  0.0      0     0 ?        S    Feb25   0:00 [khubd]
admin       85  0.0  0.9    956   276 ?        Ss   Feb25   0:00 lpd
admin       87  0.0  0.8    804   260 ?        Ss   Feb25   0:00 p9100d -f /dev/
admin       89  0.0  1.1   2376   344 ?        Ss   Feb25   0:00 rcamdmain
admin       94  0.0  0.0      0     0 ?        S    Feb25   0:02 [usb-storage-0]
admin       95  0.0  0.0      0     0 ?        S    Feb25   0:00 [scsi_eh_0]
admin      111  0.0  1.4   2696   432 ?        S    Feb25   0:00 udhcpc -i vlan1
admin      112  0.0  2.2   2068   684 ?        Ss   Feb25   0:02 pppd file /tmp/
admin      114  0.0  1.0   1452   312 ?        Ss   Feb25   0:00 infosvr br0
admin      115  0.0  1.5   2384   468 ?        Ss   Feb25   0:00 watchdog
admin      118  0.0  1.1   2376   344 ?        Ss   Feb25   0:00 ntp
admin      135  0.0  0.0      0     0 ?        S    Feb25   0:00 [kjournald]
admin      146  0.0  1.2    944   384 ?        Ss   Feb25   0:00 /opt/sbin/cron
admin      157  0.0  4.6   3948  1400 ?        S    Feb25   0:00 /opt/sbin/light
admin      168  0.0  1.9   2728   584 pts/0    Ss   Feb25   0:00 -sh
admin    21154  0.0  1.6   1452   512 pts/0    R+   08:05   0:00 /opt/bin/procps

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RRDtool for creating graph

S.M.A.R.T. not available

Memory leak with digitemp and rrd

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