Hi @bavy
The logs show entries like:
[2016-07-05 09:20:07] [NORMAL ] Poller status: status, secs=14400, api_time=666, plugin_time=15, metrics=191721, skips=0, fails=0
This is the update every 4 hrs and you can see it says it sent 191721 metric updates with no skips or failures. So Harvest is able to talk to Carbon. Since you don't see any metrics my guess is that Carbon is failing to write the metrics to disk.
Check the logfile named 'creates.log' in
Ubuntu: /var/log/carbon
Red Hat/Centos: /opt/graphite/storage/log/carbon-cache/carbon-cache-a
I suspect you'll have errors, maybe file permissions related on the data directory:
Ubuntu: /var/lib/graphite
Red Hat/Centos: /opt/graphite/storage
Also make sure you have enough disk space. You can also check the data directory structure to see if you have netapp/perf/<site>/<cluster> where your cluster data should be.
Cheers,
Chris Madden
Storage Architect, NetApp EMEA (and author of Harvest)
Blog: It all begins with data
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