[Xymon] Default Graph SIze

[Ralph Mitchell]

On Thu, Dec 22, 2011 at 5:02 PM, Henrik Størner <henrik at hswn.dk> wrote:

> On 22-12-2011 22:56, James Wade wrote:
>
>> I'm doing a new installation of xymon. Everything is working great, but
>> I'm in the process of configuring and could use some assistance, so you
>> might see a few more posts from me.
>>
>> Is there a way to have the graphs on each default to a different
>> setting? As an example, when looking at cpu, instead of a two day graph
>> have a one hour graph. Is there a global setting?
>>
>
> TRENDSECONDS in xymonserver.cfg. If you change this, then you'll probably
> also want to change the RRDWIDTH setting, which defines the size of the
> graph image.
>
> On www.xymon.com, TRENDSECONDS is set to 259200 = 3 days, and RRDWIDTH is
> set to 864; the reasoning being that with measurements every 5 minutes
> there are 288 measurements per day, so 3 days = 864 measurements. Matching
> the RRDWIDTH setting with this means that each measurement gets 1 pixel.
>


If I set  TRENDSECONDS & RRDWIDTH, I get blocky graphs, presumably due to
there not being sufficient data at the normal resolution.  To fix that, I
*think* I need to:

1) resize all the the rrd files with 'rrdtool resize' - wrote a script for
that
2) alter server/etc/rrddefinitions.cfg to set the defaults for new rrd -
done that

Did I miss anything?

Thanks,

Ralph Mitchell
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