If you transition to cDOT, this could be the last disruptive headswap you’ll have to do.

Francis Kim
fkim@berkcom.com

On Oct 5, 2015, at 1:40 PM, Paul Letta <letta@jlab.org> wrote:

Hello,
I've currently got a FAS3240 HA pair (with each controller in its own chassis).  I am swapping the heads with a FAS8020  HA pair.  This is 7-mode 8.2.x.

With the current 3240's..there are a cluster interconnects that runs between c0a and c0b on both controllers.

The new 8020 is a HA pair in one chassis.   Are cluster interconnects required ?

The Installation and Setup Instructions guide shows it differently for cDOT and 7-mode..

For cDOT is says to connect e0a to e0a and e0b to e0b for the cluster interconnect.
This is listed as a "switchless cluster" for cDOT. (no mention of 7-mode here)

For 7-mode and cDot for a "switched HA configuration", it has e0a and e0b for both heads going the upstream switches.

The guide I'm talking about is at:


Install Hardware (blue 2) step 2.2

I am not planning on using e0a or e0b for networking at all.  The purchase did not come with any cables that will work between these ports.

Thanks.
Paul


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