NetApp-harvest Lun performance graph issue

hashiya1112 — Wed, 04 Jun 2025 15:12:49 GMT

I use netapp-harvest 1.2.2

cDOT Version 8.2P3 collected by harvest

When I looked at the graph of "NetApp Detail: LUN", I realized that the value was wrong.

What can I fix?

Re: NetApp-harvest Lun performance graph issue

madden — Mon, 24 Apr 2017 13:48:56 GMT

Hi @hashiya1112

Reported IO spikes like these are likely the result of the ONTAP API returning incorrect data to Harvest, which it in turn passes to Graphite. Sometimes the root cause is an ONTAP bug, and since you are running a quite old release (8.2) upgrading ONTAP might resolve. I also see you are using an older version of Harvest (1.2.2) so upgrading it is also a good idea but I doubt updating only Harvest will solve the issue.

I have a theory for what causes this issue and would like to try a potential workaround for it. If you are interested to trial this with me please send a private message.

Cheers,
Chris Madden

Solution Architect - 3rd Platform - Systems Engineering NetApp EMEA (and author of Harvest)

Blog: It all begins with data

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NetApp-harvest Lun performance graph issue

Re: NetApp-harvest Lun performance graph issue