topic Re: How many controllers are there in single node cluctered Data ONTAP in ONTAP Discussions

How many controllers are there in single node cluctered Data ONTAP

siddarajugc — Wed, 04 Jun 2025 22:55:18 GMT

Hi All,

I have simple question,

How many controllers are there in single node cluctered Data ONTAP?

1 node = 1 controller

1node = 2 controller (HA Pair)

Please any one can explain me.

Thanks in advance

Siddaraju

Re: How many controllers are there in single node cluctered Data ONTAP

ekashpureff — Fri, 30 Oct 2015 11:52:22 GMT

Siddaraju -

1 node = 1 controller.

I hope this response has been helpful to you.

At your service,

Eugene E. Kashpureff, Sr.
Independent NetApp Consultant http://www.linkedin.com/in/eugenekashpureff
Senior NetApp Instructor, IT Learning Solutions http://sg.itls.asia/netapp
(P.S. I appreciate 'kudos' on any helpful posts.)

Re: How many controllers are there in single node cluctered Data ONTAP

siddarajugc — Fri, 30 Oct 2015 12:03:44 GMT

Hi ekashpureff,

Thanks for your response,

Then what is the difference between node and controller?

If 1 node = 1 controller,

24 node cluster = 24 controller right ?

Thanks & Regards'

Siddaraju

Re: How many controllers are there in single node cluctered Data ONTAP

ekashpureff — Fri, 30 Oct 2015 12:18:19 GMT

Siddaraju -

Yes, you are correct.

A 'node' is a single controller.