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You do not say whether this is 7-Mode or C-Mode, but you mention SVM, in which case I assume it is C-Mode. For C-Mode that is not possible. MCC must be setup on clean system without ant data or configuration.

For 7-Mode it is possible but certainly not online. For a start, you will need to move second controller in second chassis so no failback will be possible until you install FC-VI in both controllers. Also you need to change some chassis/controller settings in maintenance boot and they must be the same on both chassis/controllers.


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With best regards
Andrei Borzenkov
Senior System Engineer
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From: Toasters <toasters-bounces@teaparty.net> On Behalf Of Heino Walther
Sent: Thursday, November 19, 2020 12:23 PM
To: toasters@teaparty.net
Subject: Converting HA into MC ?

Hi there

Can anyone please tell me if it is possible to convert a normal AFF8080HA into an AFF8080SMC?
(there is only one disk shelf attached)

I can imagine I would need the following:
- 2 x FCVI Cards
- 1 x Empty AFF8080 chassis
- 4 x QSFP to LC cables
- 1 x disk shelf identical to current shelf

First job is to install the FCVI cards, which can be done with a few failovers.
Then we need to do a failover and pull out the downed controller and install it into the new chassis, and attach the two systems.
We then need to change the chassis setup from the maint.-console.
Configure the FCVI cards and do a giveback.
..
…
As you maybe can tell, this is just of the top of my head ????
Has anyone tried this? The plan was to convert a running system without any downtime… then mirror up the aggregates, move the SVMs, and then convert back to a normal HA setup again…

But won’t start this if there is a gotcha somewhere… and there is a somewhat high risk of that? ????

/Heino