You don’t have to use EC2 snitch on AWS but if you have already started with it 
, it may put a node in a different DC.

If your data density won’t be ridiculous You could add 3 to different DC/ 
Region and then sync up. After the new DC is operational you can remove one at 
a time on the old DC and at the same time add to the new one.

On Jun 28, 2018, 9:03 AM -0500, Randy Lynn <>, wrote:
> I have a 6-node cluster I'm migrating to the new i3 types.
> But at the same time I want to migrate to a different AZ.
> What happens if I do the "running node replace method" with 1 node at a time 
> moving to the new AZ. Meaning, I'll have temporarily;
> 5 nodes in AZ 1c
> 1 new node in AZ 1e.
> I'll wash-rinse-repeat till all 6 are on the new machine type and in the new 
> AZ.
> Any thoughts about whether this gets weird with the Ec2Snitch and a RF 3?
> --
> Randy Lynn
> office:
> 859.963.1616 ext 202
> 163 East Main Street - Lexington, KY 40507 - USA

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