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Is there any way to use NetApp DFM/Operations Manager to monitor for back-to-back consistency points on NetApp filers? (i.e., as seen from sysstat)
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I'm also interested in this.
What I've found so far is how to integrate the CPs to Cacti:
http://redhunter.com/blog/2010/02/11/netapp-consistency-points-in-cacti/
Is there no counter in DFM/NMC for the same result?
kind regards,
Adrian
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Yes, you can display CP information in Performance Advisor.
1. Enable showing of diagnostic counters in DFM: dfm option set perfAdvisorShowDiagCounters=yes
2. Restart the DFM
3. In Performance Advisor, go to Setup->Hosts. Select the host you want to view CP data for and edit its data collection.
4. Under enabled counters go to wafl where you will see the cp_count. This is counter we are interested in. You can modify the sample rate and retention period if needed.
5. In order to view the collected data you have to create a custom view. Go to Setup -->Custom Views.
6. Add the chart with the wafl:cp_count counters.
You can now view the new chart.
For those interested you can also collect/view this data using the filer CLI (diag mode) and the stats command:
> stats explain counters wafl:wafl:cp_count
Counters for object name: wafl
Name: cp_count
Description: Array of counts of different types of CPs
Properties: delta
Unit: none
Size: 13 column array
Column names: wafl_timer generated CP, snapshot generated CP, wafl_avail_bufs generated CP, dirty_blk_cnt generated CP, full NV-log generated CP, back-to-back CP, flush generated CP, sync generated CP, wafl_avail_vbufs generated CP, deferred back-to-back CP, container-indirect-pin CP, low mbufs generated CP, low datavecs generated CP
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Thank you very much! it works like a charm.
