[smokeping-users] master/slave error

[Chris Krough]

Hmm. I'm not sure, but rrdtool probably pre-populates the records with
NaN when the file is first created, so those NaNs could be from the
file initialization. I see that you verified that the RRDs are being
updated. Did you check the last update time with 'rrdtool last
__filename__' ? That should give you the epoch timestamp of the last
update. (http://www.epochconverter.com/)

Do subfolders exist for your top-level "targets" under cache/ and
dyndir/ ? Meaning, if you have a target container of "+Pancakes" in
your config, do the 'dyndir/Pancakes" and "cache/Pancakes" folders
exist.

Chris



On Wed, Jan 7, 2009 at 7:40 PM, Seth Lyons <slyons at fxcm.com> wrote:
> All of those permissions are set according, but still nothing...  Interesting to note is that the RRD files on the master are full of NaNs for the round-trip time, but when I run a debug on the slave, it returns real values.
>
>>>> "Chris Krough" <chris at krough.org> 01/07/09 7:09 PM >>>
> The cache/, data/, and dyndir/ directories in your web tree will also
> need to be writable by those two processes. Verify that the folders
> specified in your etc/config file exist and have the correct
> permissions for the following:
>
> imgcache =
> datadir =
> dyndir =
>
> Chris
>
>
>
>
> On Wed, Jan 7, 2009 at 4:46 PM, Seth Lyons <slyons at fxcm.com> wrote:
>> So...the files are stored in /usr/local/var/smokeping.  The owner:group are
>> smokeping:smokeping, and the users www and smokeping are members of the
>> smokeping group.  They have read permissions from /usr down through /var,
>> and are set to 775 from /usr/local/var/smokeping down the rest of the tree.
>>
>>>>> Neil Francis <N.J.Francis at bath.ac.uk> 1/7/2009 4:36 PM >>>
>>
>>> I changed the settings to 10 pings every 120 seconds, but still the same
>>> result.  I noticed though, that while the last modified times of the RRDs
>>> are being updated, the sizes of the files are remaining the same.
>>
>> The RRD file sizes won't change - they are sized on creation - RRD is
>> designed to work this way. Check the timestamps of the files to see if they
>> are being written to.
>>
>> Your problem definitely sounds like a file permission/ownership one. I'd
>> double check all the files in all the paths to the data files on your
>> system.
>>
>> Good luck.
>>
>>
>> --
>> Neil Francis
>> Systems Administrator
>> University of Bath
>> +44 1225 383571
>>
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>>
>
>
>
> --
> Chris Krough
>
> "Knowledge is of two kinds. We know a subject ourselves, or we know
> where we can find information on it." --  Samuel Johnson
>
>



-- 
Chris Krough

"Knowledge is of two kinds. We know a subject ourselves, or we know
where we can find information on it." --  Samuel Johnson