[smokeping-users] Master/slave missing data

[G.W. Haywood]

Hi there,

On Mon, 9 Nov 2009, Seth Lyons wrote:

> When I first add a slave to my smokeping implementation, the graphs
> are blank for several hours -- often 12-14 hours.  Permissions are
> set properly, the RRD files are being updated each minute (per my
> config), but the graphs are blank.  A closer look at the RRDs show
> that value = NaN.  But then...magically...after about 12-14 hours,
> the graphs start showing real data.

I'd suggest running with --debug on both master and slave(s) to see
what values are being seen by the processes themselves.  Here's the
kind of thing you can see in the logs:

Feb 24 11:26:25 ... 'gale.local.jubileegroup.co.uk : 68.66 46.09 5.94 4.23 4.43 3.91 4.16 4.0
Feb 24 11:26:50 ... 'news.bbc.co.uk : 53.89 50.60 48.26 46.94 54.11 48.20 47.25 48.26 47.22 4
Feb 24 11:27:20 ... 'www.google.co.uk : 61.50 59.69 59.69 58.74 61.37 60.81 69.88 64.02 62.00
Feb 24 11:27:50 ... 'mail4.xxxxxxxxxxx.co.uk : 89.63 86.51 86.50 86.63 89.57 107.74 - 86.73 8
Feb 24 11:29:44 ... '192.168.xxxxx : 26.49 5.24 4.86 5.35 6.13 5.72 5.45 5.25 5.39 4.92 5.55
Feb 24 11:29:47 ... 'wrt54gs4.local.jubileegroup.co.uk : 4.66 4.20 4.30 3.64 4.93 4.17 3.86 3
Feb 24 11:30:25 ... 'draught.local.jubileegroup.co.uk : 0.16 0.19 0.14 0.20 0.21 0.16 0.13 0.
Feb 24 11:30:28 ... 'p75.local.jubileegroup.co.uk : 2.84 2.35 1.52 1.55 1.48 1.55 1.61 1.55 1
Feb 24 11:30:31 ... 'vortex.local.jubileegroup.co.uk : 0.29 0.18 0.19 0.25 0.16 0.16 0.15 0.1
Feb 24 11:30:34 ... 'twister.local.jubileegroup.co.uk : 7.08 6.41 3.20 2.74 3.08 3.16 3.08 3.
Feb 24 11:30:37 ... 'localhost : 0.18 0.05 0.03 0.05 0.08 0.04 0.04 0.04 0.09 0.10 0.08 0.06
Feb 24 11:30:40 ... 'portakabin2.local.jubileegroup.co.uk : 0.20 0.27 37.50 0.22 0.18 0.17 0.

> Has anyone been able to pinpoint the problem/identify the root
> cause/come up with a fix?

I've never noticed the issue, so I've never had to fix it. :)

--

73,
Ged.