topic Re: Collecting a single or rolling Perfstat on cDOT Nodes from linux in ONTAP Discussions

Collecting a single or rolling Perfstat on cDOT Nodes from linux

Adly — Thu, 03 Aug 2017 15:14:58 GMT

This is a script that combines a single run of perfstat and a rolling perfstat for an intermittent issue.

The script will take care of creating the necessary key for perfstat to run

All you need is copy this script into the same directory as the latest perfstat binary is.

Change the top parameters in the script:

case="2000000000"
clstr="clustermgmt"
iterations=5
sample=5
useradmin="admin"
dstpath="."

the perfstat outputs will be collected in dstpath directory. In this case, the same diretory where perfstat binary is.

start screen, run the script and <ctrl>a+d to detach from the session.

For the rolling perfstat with a graceful stop of the loop. All you need to do is touch a file called stop in the same directory as the script. So the current perfstat will finish gracefully and the loop stops.

Similarly for running a single perfstat with the above parameters, touch a file named stop and it will perform 5 iterations with 5 minute sample as stated above.

Reference:

KB#1015417 - How to collect a Perfstat from a clustered Data ONTAP system in Linux

KB#1012616 - How to collect Performance Statistics for Intermittent Issues

Re: Collecting a single or rolling Perfstat on cDOT Nodes from linux

Renifa — Mon, 22 Feb 2016 04:37:53 GMT

Thanks Adly for this useful information.

Renifa

Re: Collecting a single or rolling Perfstat on cDOT Nodes from linux

scheckel — Thu, 03 Aug 2017 14:00:00 GMT

Hi,

the KBs are good.

I heard some PS guys wrote a script than you can run perfstat multible times a day. With perfastat 7 it was easy.

Is something also available for perfstat8?

Or can somebody share that script?

Best wishes,

Markus.

Re: Collecting a single or rolling Perfstat on cDOT Nodes from linux

Adly — Thu, 03 Aug 2017 15:18:11 GMT

Hi Markus,

Yes, the script uses perfstat8.

I have attached the script above.

I hope it helps.

Cheers,

Adly