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PostPosted: Sun Jun 21, 2009 11:00 am 
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Posts: 804
Location: Minneapolis, MN
It looks like I have the same situation after an upgrade to R5.5 that Graysky did in this thread:
http://www.knoppmyth.net/phpBB2/viewtopic.php?p=117074

I've got a single Western Digital 1TB SATA drive in my KM box (R5.5) and the RRDTool graphs are not showing any HD Temperature data.
The RRDTool graphs in Mythweb for the hard drive temperature have the heading "Disk hda ()", and the graphs are empty.

I just downloaded the scripts shown in that thread and replaced my /etc/rrd.config and /usr/local/bin/rrd_HDtemp.pl files with the ones supplied.

Then I edited the /etc/rrd.config file for only a single hard drive:
Code:
#=======================================================================
#  rrd_HDtemp.pl config:   # hard disk temperature
#-----------------------------------------------------------------------
$HDT_dev = 'hda';             # devices to measure
@HDT_colors = ('#0000FF', '#00FF00', '#FF0000', '#00FFFF', '#FF00FF', '#FFFF00');
#=======================================================================


I rebooted and have been watching the RRD Tools screens in Mythweb.
Thus far, I do not see any data appearing.

Later in the mentioned thread, tjc told a person "You may need to purge the DB for that and start fresh."

How do you purge the DB?

Appreciated,
Eric

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KnoppMyth R5.5, Asus A8N-VM CSM (nvidia 6150 onboard video), AMD Athlon 64 dual-core 4200+, two 1GB sticks DDR 400, HD-3000 HDTV card, PVR-150 card, Iguanaworks RS-232 IR receiver/transmitter, Pioneer DVR-110 DVD burner


Last edited by neutron68 on Sun Jun 28, 2009 2:30 pm, edited 3 times in total.


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 Post subject:
PostPosted: Sun Jun 21, 2009 5:27 pm 
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Damn, it's been a while since I have messed around w/ rrdtool. What is the output of hddtemp /dev/sda (or whatever your drive is on the system)? Sorry dude, but I just can't remember what I did to get it working on my system.

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 Post subject:
PostPosted: Sun Jun 21, 2009 5:42 pm 
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Posts: 9551
Location: Arlington, MA
Code:
rm /myth/rrd/log/HDtemp.rrd


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 Post subject: HDtemp.rrd
PostPosted: Sun Jun 21, 2009 6:47 pm 
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Posts: 804
Location: Minneapolis, MN
tjc wrote:
Code:
rm /myth/rrd/log/HDtemp.rrd
Thanks!

Thus far, no data has appeared in the Mythweb graph.
Is there anohter place to look for successful temp data collection?

Does it make sense that the HDtemp.rrd file is owned by root?
Code:
root@mythtv:/myth/rrd/log# ls -l
total 852
-rw-r--r-- 1 mythtv mythtv 112856 Jun 21 19:00 CPU.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 21 19:00 Count.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 21 19:00 Disk.rrd
-rw-r--r-- 1 root   root    28640 Jun 21 19:00 HDtemp.rrd
-rw-r--r-- 1 mythtv mythtv  84784 Jun 21 19:00 Load.rrd
-rw-r--r-- 1 mythtv mythtv  84784 Feb 22 15:40 MBfan.rrd
-rw-r--r-- 1 mythtv mythtv  84784 Jun 21 19:00 MBtemp.rrd
-rw-r--r-- 1 mythtv mythtv 140928 Jun 21 19:00 Mem.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 21 19:00 MythFS.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 21 19:00 Net.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 21 19:00 Swap.rrd

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 Post subject:
PostPosted: Sun Jun 21, 2009 6:53 pm 
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Location: /dev/null
@neutron - the cron job runs every 5 min as I recall. You can force it manually if you want (look at your crontab for the syntax). I looked at my rrd databases and they are owned by mythtv so try chown them all and see if that makes a difference. I think the cron job runs as root, but it couldn't hurt.

Code:
# chown -R mythtv:mythtv /myth/rrd/log

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 Post subject: changed ownership
PostPosted: Sun Jun 21, 2009 7:13 pm 
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Posts: 804
Location: Minneapolis, MN
I made the change.
Code:
root@mythtv:/myth/rrd/log# ls -l
total 852
-rw-r--r-- 1 mythtv mythtv 112856 Jun 21 19:25 CPU.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 21 19:25 Count.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 21 19:25 Disk.rrd
-rw-r--r-- 1 mythtv mythtv  28640 Jun 21 19:25 HDtemp.rrd
-rw-r--r-- 1 mythtv mythtv  84784 Jun 21 19:25 Load.rrd
-rw-r--r-- 1 mythtv mythtv  84784 Feb 22 15:40 MBfan.rrd
-rw-r--r-- 1 mythtv mythtv  84784 Jun 21 19:25 MBtemp.rrd
-rw-r--r-- 1 mythtv mythtv 140928 Jun 21 19:25 Mem.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 21 19:25 MythFS.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 21 19:25 Net.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 21 19:25 Swap.rrd
So far, the ownership has not made a difference - still no data in the graph.

I ran the rrd command as shown in crontab
Code:
/usr/local/bin/run_rrd
and there was no output.

I can tell you that the hard drive does report its temperature if you contact it with the command that is in the script:
Code:
# /usr/sbin/hddtemp -q /dev/sda
/dev/sda: WDC WD10EACS-00D6B0: 31 C


I don't know what other clues I can report. The config file and scripts from tjc are the same ones you used.

Eric

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KnoppMyth R5.5, Asus A8N-VM CSM (nvidia 6150 onboard video), AMD Athlon 64 dual-core 4200+, two 1GB sticks DDR 400, HD-3000 HDTV card, PVR-150 card, Iguanaworks RS-232 IR receiver/transmitter, Pioneer DVR-110 DVD burner


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 Post subject:
PostPosted: Mon Jun 22, 2009 8:29 pm 
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Posts: 9551
Location: Arlington, MA
What do you see if you run:
Code:
/usr/local/bin/rrd_HDtemp.pl

It should say something like this:
Code:
root@black2:~# /usr/local/bin/rrd_HDtemp.pl
hda: 39, hdb: 38
hdt1:hdt2
N:39:38

Also, what does this show:
Code:
ls -al /myth/rrd/*

You should see a set of files for each time period for each RRD script you have enabled. For example:
Code:
root@black2:~# ls -l /myth/rrd/png/HDtemp-*
-rw-r--r-- 1 mythtv mythtv 20704 Jun 22 21:50 /myth/rrd/png/HDtemp-Daily.png
-rw-r--r-- 1 mythtv mythtv 28927 Jun 22 21:50 /myth/rrd/png/HDtemp-Monthly.png
-rw-r--r-- 1 mythtv mythtv 24895 Jun 22 21:50 /myth/rrd/png/HDtemp-Weekly.png
-rw-r--r-- 1 mythtv mythtv 31012 Jun 22 21:50 /myth/rrd/png/HDtemp-Yearly.png


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 Post subject: output
PostPosted: Mon Jun 22, 2009 8:36 pm 
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Posts: 804
Location: Minneapolis, MN
Thanks for the troubleshooting assistance tjc.
Code:
root@mythtv:~# /usr/local/bin/rrd_HDtemp.pl
/dev/hda: open: No such file or directory

hda: 0
hdt1
N:0
root@mythtv:~# ls -al /myth/rrd/*
-rw-r--r-- 1 mythtv mythtv 2051 Jun 21 10:58 /myth/rrd/CPU.html
-rw-r--r-- 1 mythtv mythtv 2061 Jun 21 10:58 /myth/rrd/Count.html
-rw-r--r-- 1 mythtv mythtv 2197 Jun 21 10:58 /myth/rrd/Daily.html
-rw-r--r-- 1 mythtv mythtv 2056 Jun 21 10:58 /myth/rrd/Disk.html
-rw-r--r-- 1 mythtv mythtv 2066 Jun 21 10:58 /myth/rrd/HDtemp.html
-rw-r--r-- 1 mythtv mythtv 2056 Jun 21 10:58 /myth/rrd/Load.html
-rw-r--r-- 1 mythtv mythtv 2148 Oct 13  2008 /myth/rrd/MBfan.html
-rw-r--r-- 1 mythtv mythtv 2066 Jun 21 10:58 /myth/rrd/MBtemp.html
-rw-r--r-- 1 mythtv mythtv 2051 Jun 21 10:58 /myth/rrd/Mem.html
-rw-r--r-- 1 mythtv mythtv 2231 Jun 21 10:58 /myth/rrd/Monthly.html
-rw-r--r-- 1 mythtv mythtv 2066 Jun 21 10:58 /myth/rrd/MythFS.html
-rw-r--r-- 1 mythtv mythtv 2051 Jun 21 10:58 /myth/rrd/Net.html
-rw-r--r-- 1 mythtv mythtv 2056 Jun 21 10:58 /myth/rrd/Swap.html
-rw-r--r-- 1 mythtv mythtv 2214 Jun 21 10:58 /myth/rrd/Weekly.html
-rw-r--r-- 1 mythtv mythtv 2214 Jun 21 10:58 /myth/rrd/Yearly.html
-rw-r--r-- 1 mythtv mythtv 1546 Jun 21 10:58 /myth/rrd/index.html
-rw-r--r-- 1 mythtv mythtv  125 Jun 21 10:58 /myth/rrd/rrd.conf

/myth/rrd/log:
total 860
drwxr-xr-x 2 mythtv mythtv   4096 Jun 21 19:00 .
drwxr-xr-x 4 mythtv mythtv   4096 Feb 22 16:00 ..
-rw-r--r-- 1 mythtv mythtv 112856 Jun 22 20:55 CPU.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 22 20:55 Count.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 22 20:55 Disk.rrd
-rw-r--r-- 1 mythtv mythtv  28640 Jun 22 20:57 HDtemp.rrd
-rw-r--r-- 1 mythtv mythtv  84784 Jun 22 20:55 Load.rrd
-rw-r--r-- 1 mythtv mythtv  84784 Feb 22 15:40 MBfan.rrd
-rw-r--r-- 1 mythtv mythtv  84784 Jun 22 20:55 MBtemp.rrd
-rw-r--r-- 1 mythtv mythtv 140928 Jun 22 20:55 Mem.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 22 20:55 MythFS.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 22 20:55 Net.rrd
-rw-r--r-- 1 mythtv mythtv  56712 Jun 22 20:55 Swap.rrd

/myth/rrd/png:
total 1476
drwxr-xr-x 2 mythtv mythtv  4096 Feb 10  2008 .
drwxr-xr-x 4 mythtv mythtv  4096 Feb 22 16:00 ..
-rw-r--r-- 1 mythtv mythtv 28650 Jun 22 20:55 CPU-Daily.png
-rw-r--r-- 1 mythtv mythtv 34118 Jun 22 20:55 CPU-Monthly.png
-rw-r--r-- 1 mythtv mythtv 32220 Jun 22 20:55 CPU-Weekly.png
-rw-r--r-- 1 mythtv mythtv 39135 Jun 22 20:55 CPU-Yearly.png
-rw-r--r-- 1 mythtv mythtv 17707 Jun 22 20:55 Count-Daily.png
-rw-r--r-- 1 mythtv mythtv 19177 Jun 22 20:55 Count-Monthly.png
-rw-r--r-- 1 mythtv mythtv 18077 Jun 22 20:55 Count-Weekly.png
-rw-r--r-- 1 mythtv mythtv 20946 Jun 22 20:55 Count-Yearly.png
-rw-r--r-- 1 mythtv mythtv 41096 Jun 22 20:55 Disk-Daily.png
-rw-r--r-- 1 mythtv mythtv 79282 Jun 22 20:55 Disk-Monthly.png
-rw-r--r-- 1 mythtv mythtv 48698 Jun 22 20:55 Disk-Weekly.png
-rw-r--r-- 1 mythtv mythtv 68701 Jun 22 20:55 Disk-Yearly.png
-rw-r--r-- 1 mythtv mythtv 14620 Jun 22 20:57 HDtemp-Daily.png
-rw-r--r-- 1 mythtv mythtv 15434 Jun 22 20:57 HDtemp-Monthly.png
-rw-r--r-- 1 mythtv mythtv 15379 Jun 22 20:57 HDtemp-Weekly.png
-rw-r--r-- 1 mythtv mythtv 14336 Jun 22 20:57 HDtemp-Yearly.png
-rw-r--r-- 1 mythtv mythtv 38617 Jun 22 20:55 Load-Daily.png
-rw-r--r-- 1 mythtv mythtv 62686 Jun 22 20:55 Load-Monthly.png
-rw-r--r-- 1 mythtv mythtv 44668 Jun 22 20:55 Load-Weekly.png
-rw-r--r-- 1 mythtv mythtv 35721 Jun 22 20:55 Load-Yearly.png
-rw-r--r-- 1 mythtv mythtv 22148 Feb 22 15:40 MBfan-Daily.png
-rw-r--r-- 1 mythtv mythtv 20773 Feb 22 15:40 MBfan-Monthly.png
-rw-r--r-- 1 mythtv mythtv 21605 Feb 22 15:40 MBfan-Weekly.png
-rw-r--r-- 1 mythtv mythtv 19748 Feb 22 15:40 MBfan-Yearly.png
-rw-r--r-- 1 mythtv mythtv 19402 Jun 22 20:55 MBtemp-Daily.png
-rw-r--r-- 1 mythtv mythtv 18813 Jun 22 20:55 MBtemp-Monthly.png
-rw-r--r-- 1 mythtv mythtv 19132 Jun 22 20:55 MBtemp-Weekly.png
-rw-r--r-- 1 mythtv mythtv 17836 Jun 22 20:55 MBtemp-Yearly.png
-rw-r--r-- 1 mythtv mythtv 28685 Jun 22 20:55 Mem-Daily.png
-rw-r--r-- 1 mythtv mythtv 45630 Jun 22 20:55 Mem-Monthly.png
-rw-r--r-- 1 mythtv mythtv 35997 Jun 22 20:55 Mem-Weekly.png
-rw-r--r-- 1 mythtv mythtv 56254 Jun 22 20:55 Mem-Yearly.png
-rw-r--r-- 1 mythtv mythtv 19889 Jun 22 20:55 MythFS-Daily.png
-rw-r--r-- 1 mythtv mythtv 20426 Jun 22 20:55 MythFS-Monthly.png
-rw-r--r-- 1 mythtv mythtv 19804 Jun 22 20:55 MythFS-Weekly.png
-rw-r--r-- 1 mythtv mythtv 23351 Jun 22 20:55 MythFS-Yearly.png
-rw-r--r-- 1 mythtv mythtv 47708 Jun 22 20:55 Net-Daily.png
-rw-r--r-- 1 mythtv mythtv 61542 Jun 22 20:55 Net-Monthly.png
-rw-r--r-- 1 mythtv mythtv 40035 Jun 22 20:55 Net-Weekly.png
-rw-r--r-- 1 mythtv mythtv 69653 Jun 22 20:55 Net-Yearly.png
-rw-r--r-- 1 mythtv mythtv 19757 Jun 22 20:55 Swap-Daily.png
-rw-r--r-- 1 mythtv mythtv 20057 Jun 22 20:55 Swap-Monthly.png
-rw-r--r-- 1 mythtv mythtv 20025 Jun 22 20:55 Swap-Weekly.png
-rw-r--r-- 1 mythtv mythtv 24073 Jun 22 20:55 Swap-Yearly.png
root@mythtv:~#

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KnoppMyth R5.5, Asus A8N-VM CSM (nvidia 6150 onboard video), AMD Athlon 64 dual-core 4200+, two 1GB sticks DDR 400, HD-3000 HDTV card, PVR-150 card, Iguanaworks RS-232 IR receiver/transmitter, Pioneer DVR-110 DVD burner


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 Post subject:
PostPosted: Mon Jun 22, 2009 8:41 pm 
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Posts: 9551
Location: Arlington, MA
Pretty sure this is your smoking gun:
Code:
/dev/hda: open: No such file or directory


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 Post subject: that is a clue...
PostPosted: Mon Jun 22, 2009 8:54 pm 
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Joined: Tue Mar 28, 2006 8:26 pm
Posts: 804
Location: Minneapolis, MN
tjc wrote:
Pretty sure this is your smoking gun:
Code:
/dev/hda: open: No such file or directory

That was my thought, as well. ;)

Well, even with that clue, I looked and looked for about an hour and just found the problem!

I somehow put the wrong drive id in the config file! Here is a snip of the wrong way:
Code:
#=======================================================================
#  rrd_HDtemp.pl config:   # hard disk temperature
#-----------------------------------------------------------------------
$HDT_dev = 'hda';             # devices to measure
@HDT_colors = ('#0000FF', '#00FF00', '#FF0000', '#00FFFF', '#FF00FF', '#FFFF00');
#=======================================================================

and here is the correct way.
Code:
#=======================================================================
#  rrd_HDtemp.pl config:   # hard disk temperature
#-----------------------------------------------------------------------
$HDT_dev = 'sda';             # devices to measure
@HDT_colors = ('#0000FF', '#00FF00', '#FF0000', '#00FFFF', '#FF00FF', '#FFFF00');
#=======================================================================
I can't believe I didn't see that yesterday! I think it's working....
Code:
root@mythtv:/myth/rrd/log# /usr/local/bin/rrd_HDtemp.pl
sda: 28
hdt1
N:28

I've got graph data!

THANK YOU for the nudge to the finish line! :D

Eric

_________________
KnoppMyth R5.5, Asus A8N-VM CSM (nvidia 6150 onboard video), AMD Athlon 64 dual-core 4200+, two 1GB sticks DDR 400, HD-3000 HDTV card, PVR-150 card, Iguanaworks RS-232 IR receiver/transmitter, Pioneer DVR-110 DVD burner


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PostPosted: Tue Jun 23, 2009 10:52 am 
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Joined: Tue Mar 28, 2006 8:26 pm
Posts: 804
Location: Minneapolis, MN
Any idea what I need to edit to get the hard drive name to appear at the top of the graph?
Right now it just says: "Disk temperature :: day" at the top of the graph.

Graysky, I know you saw this missing drive name, too. Did you ever get it figured out?

Thanks!
Eric

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KnoppMyth R5.5, Asus A8N-VM CSM (nvidia 6150 onboard video), AMD Athlon 64 dual-core 4200+, two 1GB sticks DDR 400, HD-3000 HDTV card, PVR-150 card, Iguanaworks RS-232 IR receiver/transmitter, Pioneer DVR-110 DVD burner


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PostPosted: Tue Jun 23, 2009 12:32 pm 
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Joined: Wed Dec 10, 2003 8:31 pm
Posts: 1996
Location: /dev/null
neutron68 wrote:
Graysky, I know you saw this missing drive name, too. Did you ever get it figured out?


I can't remember... when I get home I'll have a look and let you know in this thread.

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PostPosted: Sat Jun 27, 2009 4:39 pm 
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Joined: Tue Mar 28, 2006 8:26 pm
Posts: 804
Location: Minneapolis, MN
graysky wrote:
neutron68 wrote:
Graysky, I know you saw this missing drive name, too. Did you ever get it figured out?


I can't remember... when I get home I'll have a look and let you know in this thread.

Hi Graysky,

I wonder if you had a chance to look at your system?

Thanks,
Eric

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 Post subject:
PostPosted: Sun Jun 28, 2009 11:45 am 
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The disk name isn't in the title at the top of the graph because it's now a combined graph for multiple drives. For example on my production box there are lines for 2-3 drives (depending on whether the backup drive is on). This makes it easier to see the relative temperatures of the drives and spot any ventilation/cooling problems, versus just ambient temperature affects. This may not be obvious if you're only using a single drive the single drive, but add a second or more and it'll make sense.

BTW - With sufficient perl-fu it wouldn't be all that hard to make the script detect the single drive case and change the title accordingly.


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 Post subject: oh
PostPosted: Sun Jun 28, 2009 8:06 pm 
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Location: Minneapolis, MN
Oh, ok. I understand.

Thanks for the clarification tjc.

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