[smokeping-users] Problem using Smokeping RRD in PHPWeathermap
Tony DeMatteis
tonyd at commspeed.net
Sat Jun 28 02:00:48 CEST 2014
ntpd is not running. The server uses ntpdate to get it's updates from
one of two ntp servers in my datacenter. I've got to see why the
cron.daily script is not updating time.
Thanks so much again for your input!
Tony
On 06/27/2014 02:49 PM, Russell Dwarshuis wrote:
> Glad you found the issue!
>
> Check to see if ntpd is running and has servers that are still available in the configuration file. `ntpq -p` will give you the status. Check out http://www.pool.ntp.org/en/use.html if you need some servers for your ntp config file.
>
>
> -Russell Dwarshuis
>
> ----- Original Message -----
> From: "Tony DeMatteis" <tonyd at commspeed.net>
> To: "Russell Dwarshuis" <rjd at merit.edu>, smokeping-users at lists.oetiker.ch
> Sent: Friday, June 27, 2014 5:24:55 PM
> Subject: Re: [smokeping-users] Problem using Smokeping RRD in PHPWeathermap
>
> Russell,
>
> My sincerest apologies. Occam's razor should have been employed, but I
> failed to check the most basic of baselines; datetime difference of the
> two servers.
>
> Thank you so much for your suggestions, all valid!
>
>
> So I tested your concern, a valid one at that.
>
> tony at noc2:/www/phpweathermap/htdocs# cp
> fs_smokeping/Network/switches/sw-pvdc2mm.rrd .
>
> tony at noc2:/www/phpweathermap/htdocs# rrdtool fetch sw-pvdc2mm.rrd
> AVERAGE --start now-800 --end now
> uptime loss
> median ping1 ping2 ping3
> ping4 ping5 ping6 ping7 ping8
> ping9 ping10 ping11 ping12
> ping13 ping14 ping15 ping16
> ping17 ping18 ping19 ping20
>
> 1403893500: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
> nan nan nan nan nan nan nan nan
> 1403893800: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
> nan nan nan nan nan nan nan nan
> 1403894100: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
> nan nan nan nan nan nan nan nan
>
>
> # I changed the time period to query. At exactly 42 minutes (2520 sec)
> vs (800 sec) 13.3333 minutes I see data. Hmmm, there's data and it
> continues to update.
>
> tony at noc2:/www/phpweathermap/htdocs/weathermap# rrdtool fetch
> sw-pvdc2mm.rrd AVERAGE --start now-2520 --end now
> uptime loss
> median ping1 ping2 ping3
> ping4 ping5 ping6 ping7 ping8
> ping9 ping10 ping11 ping12
> ping13 ping14 ping15 ping16
> ping17 ping18 ping19 ping20
>
> 1403890800: nan 0.0000000000e+00 4.0000000000e-03 1.0000000000e-03
> 1.0000000000e-03 1.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 6.8266666667e-03 6.8266666667e-03
> 1403891100: nan 0.0000000000e+00 4.0000000000e-03 1.0000000000e-03
> 1.0000000000e-03 1.0000000000e-03 1.8900000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 5.1866666667e-03 8.0000000000e-03
> 1403891400: nan 0.0000000000e+00 4.0000000000e-03 1.0000000000e-03
> 1.0000000000e-03 3.0200000000e-03 3.0200000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 5.3066666667e-03
> 1403891700: nan 0.0000000000e+00 4.0000000000e-03 1.0000000000e-03
> 1.0000000000e-03 1.8700000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 1403892000: nan 0.0000000000e+00 4.0000000000e-03 1.0000000000e-03
> 1.0000000000e-03 1.0000000000e-03 1.9100000000e-03 1.9100000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 1403892300: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
> nan nan nan nan nan nan nan nan
> 1403892600: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
> nan nan nan nan nan nan nan nan
> 1403892900: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
> nan nan nan nan nan nan nan nan
> 1403893200: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
> nan nan nan nan nan nan nan nan
> 1403893500: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
> nan nan nan nan nan nan nan nan
> 1403893800: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
> nan nan nan nan nan nan nan nan
> 1403894100: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
> nan nan nan nan nan nan nan nan
> 1403894400: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
> nan nan nan nan nan nan nan nan
>
> # So it dawns on me... I check the date on both servers and viola, there
> it is!! I update the smokeping master. For some reason it's not
> keeping time sync, something I need to investigate.
>
> tony at noc2:/www/phpweathermap/htdocs/weathermap# rrdtool fetch
> fs_smokeping/Network/switches/sw-pvdc2mm.rrd AVERAGE --start now-300
> --end now
> uptime loss
> median ping1 ping2 ping3
> ping4 ping5 ping6 ping7 ping8
> ping9 ping10 ping11 ping12
> ping13 ping14 ping15 ping16
> ping17 ping18 ping19 ping20
>
> 1403904000: nan 0.0000000000e+00 4.0000000000e-03 1.0000000000e-03
> 1.0000000000e-03 1.0000000000e-03 1.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> 4.0000000000e-03 4.0000000000e-03 4.0000000000e-03
> tony at noc2:/www/phpweathermap/htdocs/weathermap#
>
>
> # I did need to scale the target result to get the true result to
> display in phpweathermap
> NODE node09727
> LABEL Latency {node:this:bandwidth_in:%d} ms / Loss
> {node:this:bandwidth_out:%d}%
> TARGET
> 1000*gauge:/www/phpweathermap/htdocs/weathermap/fs_smokeping/Network/switches/sw-pvdc2mm.rrd:median:loss
> USESCALE ping in
> POSITION 153 76
>
> On 06/27/2014 11:27 AM, Russell Dwarshuis wrote:
>> smokeping uses rrd libraries, not rrdtool. phpweathermap doesn't use the libraries directly, it just runs rrdtool.
>>
>> You could eliminate sshfs as a possible source of the problem by manually scp'ing a rrd file to noc2 and try rrdtool on the local file.
>>
>> Also, run `which rrdtool` on noc2. It should be the same as weathermap was running: /usr/local/bin/rrdtool
>>
>>
>> -Russell Dwarshuis
>>
>> ----- Original Message -----
>> From: "Tony DeMatteis" <tonyd at commspeed.net>
>> To: "Russell Dwarshuis" <rjd at merit.edu>
>> Sent: Friday, June 27, 2014 1:49:31 PM
>> Subject: Re: [smokeping-users] Problem using Smokeping RRD in PHPWeathermap
>>
>> You might be onto the issue...
>>
>> This is odd though, I looked at running rrdtool on my smokeping master
>> and I can't find rrdtool (in path or with find /). How would the Web UI
>> be generating the graphs? It's a fairly fresh smokeping install; 6
>> months or so.
>>
>> # Smokeping master
>> admin at smokeping1:/home/tonyd# which rrdtool
>> admin at smokeping1:/home/tonyd#
>>
>> admin at smokeping1:/home/tonyd# find / -name 'rrdtool'
>> /etc/bash_completion.d/rrdtool
>>
>> admin at smokeping1:/home/tonyd# find / -name 'rrd*'
>> /etc/bash_completion.d/rrdtool
>> /var/cache/smokeping/images/rrdtool.png
>>
>> admin at smokeping1:/home/tonyd# uname -a
>> Linux smokeping1 3.5.0-42-generic #65~precise1-Ubuntu SMP Wed Oct 2
>> 20:57:18 UTC 2013 x86_64 x86_64 x86_64 GNU/Linux
>>
>>
>> # Server running PHPWeathermap is an older FreeBSD box
>> tony at noc2:/home/tony# uname -a
>> FreeBSD noc2.commspeed.net 7.2-STABLE FreeBSD 7.2-STABLE #0: Thu May 7
>> 19:29:11 MST 2009 admin at noc2.commspeed.net:/usr/obj/usr/src/sys/GENERIC
>> amd64
>>
>> tony at noc2:/home/tony# rrdtool --version
>> RRDtool 1.4.3 Copyright 1997-2009 by Tobias Oetiker <tobi at oetiker.ch>
>> Compiled Feb 2 2011 14:16:38
>>
>>
>>
>>
>> On 06/27/2014 10:36 AM, Russell Dwarshuis wrote:
>>> That looks right. Maybe sshfs is too slow for rrdtool fetch or you are running different versions of rrd/rrdtool
>>>
>>> Can you try the rrdtool fetch commands directly on /var/lib/smokeping rrd's from host smokeping1 ?
>>> Also try `rrdtool --version` on both, and `uname -a` to see if the OS are both 64 or 32 bit. I know there are incompatible versions but I forgot the details.
>>>
>>> You omitted the path when you ran rrdtool, maybe you are running a different rrdtool than phpweathermap. Try `which rrdtool` to assure that it is the same.
>>>
>>>
>>> -Russell Dwarshuis
>>>
>>> ----- Original Message -----
>>> From: "Tony DeMatteis" <tonyd at commspeed.net>
>>> To: "Russell Dwarshuis" <rjd at merit.edu>
>>> Cc: smokeping-users at lists.oetiker.ch
>>> Sent: Friday, June 27, 2014 11:40:20 AM
>>> Subject: Re: [smokeping-users] Problem using Smokeping RRD in PHPWeathermap
>>>
>>> Hello Russell...
>>>
>>> Thank you for your responses =)
>>>
>>> I believe I am pointing to the correct rrd. In fact, I have tried a
>>> dozen or so rrds which I know for a fact are active and being used to
>>> generate graphs in the Smokeping Web UI.
>>>
>>> From the Web UI this is the URL which gives me a graph with current
>>> stats, not a time period of un-reachability (nan).
>>>
>>> http://x.x.19.135/cgi-bin/smokeping.cgi?target=Network.switches.sw-pvdc2mm
>>>
>>>
>>> # Config
>>> /etc/smokeping/config.d/pathnames
>>> ...
>>> datadir = /var/lib/smokeping
>>>
>>> # Data path listing
>>> admin at smokeping1:/home/admin# ll /var/lib/smokeping/Network/switches/
>>> total 37976
>>> drwxr-xr-x 2 smokeping smokeping 4096 Mar 27 06:16 ./
>>> drwxr-xr-x 11 smokeping smokeping 4096 Mar 26 23:13 ../
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:51 sw-core2pcc.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:51 sw-core2pldn.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:51 sw-core2svb.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:51
>>> sw-core2tbm_mgmtvlan.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:51 sw-core2tbm.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:51 sw-cow2bwm.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:51 sw-crds2sqpk.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:51 sw-mm2sqpk.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:51
>>> sw-pvdc2mm_mgmtvlan.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:51 sw-pvdc2mm.rrd
>>> <-----------------------
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:51
>>> sw-sqpk2cottonwood.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:51 sw-sqpk2crds.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:51 sw-sqpk2mm.rrd
>>>
>>> # Note
>>> noc2:/www/phpweathermap/htdocs/fs_smokeping is a sshfs connected
>>> fileshare to my smokeping servers /var/lib/smokeping directory
>>>
>>> tony at noc2:/www/phpweathermap/htdocs# ll fs_smokeping/Network/switches/
>>> total 37968
>>> drwxr-xr-x 1 smokeping smokeping 4096 Mar 27 06:16 ./
>>> drwxr-xr-x 1 smokeping smokeping 4096 Mar 26 23:13 ../
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:56 sw-core2pcc.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:56 sw-core2pldn.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:56 sw-core2svb.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:56 sw-core2tbm.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:56
>>> sw-core2tbm_mgmtvlan.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:56 sw-cow2bwm.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:56 sw-crds2sqpk.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:56 sw-mm2sqpk.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:56 sw-pvdc2mm.rrd
>>> <-----------------------
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:56
>>> sw-pvdc2mm_mgmtvlan.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:56
>>> sw-sqpk2cottonwood.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:56 sw-sqpk2crds.rrd
>>> -rw-r--r-- 1 smokeping smokeping 2986808 Jun 27 07:56 sw-sqpk2mm.rrd
>>>
>>> # Results of your requested queries
>>> tony at noc2:/www/phpweathermap/htdocs# rrdtool fetch
>>> /www/phpweathermap/htdocs/fs_smokeping/Network/switches/sw-pvdc2mm.rrd
>>> AVERAGE --start now-800 --end now
>>> uptime loss
>>> median ping1 ping2 ping3
>>> ping4 ping5 ping6 ping7 ping8
>>> ping9 ping10 ping11 ping12
>>> ping13 ping14 ping15 ping16
>>> ping17 ping18 ping19 ping20
>>>
>>> 1403881500: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>> nan nan nan nan nan nan nan nan
>>> 1403881800: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>> nan nan nan nan nan nan nan nan
>>> 1403882100: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>> nan nan nan nan nan nan nan nan
>>> 1403882400: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>> nan nan nan nan nan nan nan nan
>>>
>>> tony at noc2:/www/phpweathermap/htdocs/weathermap# rrdtool fetch
>>> /www/phpweathermap/htdocs/fs_smokeping/Network/switches/sw-pvdc2mm.rrd
>>> MIN --start now-800 --end now
>>> uptime loss
>>> median ping1 ping2 ping3
>>> ping4 ping5 ping6 ping7 ping8
>>> ping9 ping10 ping11 ping12
>>> ping13 ping14 ping15 ping16
>>> ping17 ping18 ping19 ping20
>>>
>>> 1403884800: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>> nan nan nan nan nan nan nan nan
>>>
>>> tony at noc2:/www/phpweathermap/htdocs/weathermap# rrdtool fetch
>>> /www/phpweathermap/htdocs/fs_smokeping/Network/switches/sw-pvdc2mm.rrd
>>> MAX --start now-800 --end now
>>> uptime loss
>>> median ping1 ping2 ping3
>>> ping4 ping5 ping6 ping7 ping8
>>> ping9 ping10 ping11 ping12
>>> ping13 ping14 ping15 ping16
>>> ping17 ping18 ping19 ping20
>>>
>>> 1403884800: nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>> nan nan nan nan nan nan nan nan
>>>
>>>
>>> On 06/27/2014 08:01 AM, Russell Dwarshuis wrote:
>>>> I thought of another possibility. Your rrd configuration may somehow be be non-standard so AVERAGE has no data to fetch.
>>>>
>>>> Try `/usr/local/bin/rrdtool fetch <file> AVERAGE --start now-800 --end now`
>>>> and `/usr/local/bin/rrdtool fetch <file> MAX --start now-800 --end now`
>>>> and `/usr/local/bin/rrdtool fetch <file> MIN --start now-800 --end now`
>>>>
>>>>
>>>> -Russell Dwarshuis
>>>>
>>>> ----- Original Message -----
>>>> From: "Russell Dwarshuis" <rjd at merit.edu>
>>>> To: "Tony DeMatteis" <tonyd at commspeed.net>
>>>> Cc: smokeping-users at lists.oetiker.ch
>>>> Sent: Friday, June 27, 2014 10:48:42 AM
>>>> Subject: Re: [smokeping-users] Problem using Smokeping RRD in PHPWeathermap
>>>>
>>>> phpweathermap is running rrdtool fetch to get the data. From your debug, it is retreiving the nan's:
>>>>
>>>>> /usr/local/bin/rrdtool fetch
>>>>> /www/phpweathermap/htdocs/fs_smokeping/Network/switches/sw-mm2sqpk.rrd
>>>>> AVERAGE --start now-800 --end now
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:382]
>>>>> configs/smokeping_test.conf: > 1403873700: nan nan nan nan nan nan nan
>>>>> nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>>> It must not be reading the same rrd file that smokeping is using. Check the datadir configuration option in your smokeping config file to see if the path is the same.
>>>>
>>>>
>>>> -Russell Dwarshuis
>>>>
>>>> ----- Original Message -----
>>>> From: "Tony DeMatteis" <tonyd at commspeed.net>
>>>> To: smokeping-users at lists.oetiker.ch
>>>> Sent: Friday, June 27, 2014 9:24:38 AM
>>>> Subject: Re: [smokeping-users] Problem using Smokeping RRD in PHPWeathermap
>>>>
>>>> Addendum...
>>>>
>>>> BTW, here is my phpweathermap node config:
>>>>
>>>> NODE node09727
>>>> LABEL Latency {node:this:bandwidth_in:%d} ms / Loss
>>>> {node:this:bandwidth_out:%d}%
>>>> TARGET
>>>> gauge:/www/phpweathermap/htdocs/fs_smokeping/Network/switches/sw-mm2sqpk.rrd:median:loss
>>>> USESCALE pingloss in
>>>> POSITION 153 76
>>>>
>>>> Thank you,
>>>>
>>>> td
>>>>
>>>> On 06/27/2014 06:18 AM, Tony DeMatteis wrote:
>>>>> Greetings all,
>>>>>
>>>>> I'm trying to use my smokeping rrds latency/loss in my PHPWeathermaps
>>>>> and getting a "no valid data" error. Graph generates fine in the
>>>>> smokeping Web UI so I know it's not a lack of data. I wouldn't think it
>>>>> a scaling issue. And I can clearly see from the phpweathermap debug
>>>>> output that it's seeing nan data. I have tried a number of other RRDs
>>>>> with same result. They too show the nan data. Could someone shed some
>>>>> light on this for me?
>>>>>
>>>>> Thank you all very much...
>>>>>
>>>>> td
>>>>>
>>>>> admin at noc2:/www/phpweathermap/htdocs# /usr/local/bin/php -q weathermap
>>>>> --config configs/smokeping_test.conf --bulge
>>>>> WARNING: configs/smokeping_test.conf: ReadData: NODE node09727, target:
>>>>> gauge:/www/phpweathermap/htdocs/fs_smokeping/Network/switches/sw-mm2sqpk.rrd:median:loss
>>>>> on config line 49 of configs/smokeping_test.conf had no valid data,
>>>>> according to WeatherMapDataSource_rrd
>>>>>
>>>>>
>>>>> admin at noc2:/www/phpweathermap/htdocs# /usr/local/bin/php -q weathermap
>>>>> --config configs/smokeping_test.conf --bulge --debug
>>>>>
>>>>> DEBUG: [ReadData at Weathermap.class.php:892] configs/smokeping_test.conf:
>>>>> ReadData for NODE node09727:
>>>>> DEBUG: [ReadData at Weathermap.class.php:901] configs/smokeping_test.conf:
>>>>> ReadData: New Target:
>>>>> gauge:/www/phpweathermap/htdocs/fs_smokeping/Network/switches/sw-mm2sqpk.rrd:median:loss
>>>>> DEBUG: [ReadData at WeatherMapDataSource_rrd.php:496]
>>>>> configs/smokeping_test.conf: Special DS names seen (median and loss).
>>>>> DEBUG: [ReadData at WeatherMapDataSource_rrd.php:516]
>>>>> configs/smokeping_test.conf: SCALING result by 1
>>>>> DEBUG: [ReadData at WeatherMapDataSource_rrd.php:574]
>>>>> configs/smokeping_test.conf: RRD ReadData: Target DS names are median
>>>>> and loss
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:322]
>>>>> configs/smokeping_test.conf: RRD ReadData: traditional style
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:362]
>>>>> configs/smokeping_test.conf: RRD ReadData: Running:
>>>>> /usr/local/bin/rrdtool fetch
>>>>> /www/phpweathermap/htdocs/fs_smokeping/Network/switches/sw-mm2sqpk.rrd
>>>>> AVERAGE --start now-800 --end now
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:382]
>>>>> configs/smokeping_test.conf: > 1403873700: nan nan nan nan nan nan nan
>>>>> nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:382]
>>>>> configs/smokeping_test.conf: > 1403874000: nan nan nan nan nan nan nan
>>>>> nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:382]
>>>>> configs/smokeping_test.conf: > 1403874300: nan nan nan nan nan nan nan
>>>>> nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:382]
>>>>> configs/smokeping_test.conf: > 1403874600: nan nan nan nan nan nan nan
>>>>> nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:382]
>>>>> configs/smokeping_test.conf: > DEBUG:
>>>>> [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:390]
>>>>> configs/smokeping_test.conf: RRD ReadData: Read 5 lines from rrdtool
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:391]
>>>>> configs/smokeping_test.conf: RRD ReadData: Headings
>>>>> are: uptime loss
>>>>> median ping1 ping2 ping3 ping4
>>>>> ping5 ping6 ping7 ping8
>>>>> ping9 ping10 ping11 ping12 ping13
>>>>> ping14 ping15 ping16 ping17
>>>>> ping18 ping19 ping20
>>>>>
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:400]
>>>>> configs/smokeping_test.conf: --
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:400]
>>>>> configs/smokeping_test.conf: --1403874600: nan nan nan nan nan nan nan
>>>>> nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>>>>
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:400]
>>>>> configs/smokeping_test.conf: --1403874300: nan nan nan nan nan nan nan
>>>>> nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>>>>
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:400]
>>>>> configs/smokeping_test.conf: --1403874000: nan nan nan nan nan nan nan
>>>>> nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>>>>
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:400]
>>>>> configs/smokeping_test.conf: --1403873700: nan nan nan nan nan nan nan
>>>>> nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan nan
>>>>>
>>>>> DEBUG: [wmrrd_read_from_real_rrdtool at WeatherMapDataSource_rrd.php:455]
>>>>> configs/smokeping_test.conf: RRD ReadDataFromRealRRD: Returning
>>>>> (NULL,NULL,0)
>>>>> DEBUG: [ReadData at WeatherMapDataSource_rrd.php:616]
>>>>> configs/smokeping_test.conf: RRD ReadData: Returning (NULL,NULL,0)
>>>>>
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>>>>>
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