Hi @hashiya1112
First, in the 8.2 family this bug is fixed in 8.2.4 and later so updating ONTAP is the best option. If that isn't possible the next best thing is to monitor.
I created a collection template and grafana dashboard to visualize it like this:

This metric is the send lock-create total operations as mentioned in the bug. If the number is >1.5 million you should do a proactive reboot.
To set this up see the zip file here:
These files are to visualize bug id 901008 (http://mysupport.netapp.com/NOW/cgi-bin/bol?Type=Detail&Display=901008)
ATTN: You must use NetApp Harvest v1.3 or later!
1) Copy the conf file to /opt/netapp-harvest/template
2) Add collection of a new template to capture the additional counter needed by editing your netapp-harvest.conf poller entry for
the cluster where you want to enable the extra counter by setting:
template = bug-id-901088.conf,default
So an entry which includes these counters might look like:
[clus1]
hostname = 192.168.22.2
group = AMS
template = default,bug-id-901088.conf
3) Restart the poller /opt/netapp-harvest/netapp-manager -restart
4) In the Grafana GUI choose the dashboard list and then import. Select the json file and load it. Within a few minutes
you should see metrics arriving.
Let me know how this works for you!
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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