<p dir="ltr">Absolutely, versions higher than 4.1 support this by default. Keep in mind that you should maintain an odd number for quorum as even will lead to split brain. Also, if you are using multiple node groups, the controllers must be in the same one for fail over of the vip addresses<br>
</p>
<br><div class="gmail_quote"><div dir="ltr">On Wed, Nov 16, 2016, 1:38 PM Fran Barrera <<a href="mailto:franbarrera6@gmail.com">franbarrera6@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr" class="gmail_msg">Hi,<div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">It is possible to add new controllers node to an existing cluster of openstack deployed with fuel?</div><div class="gmail_msg"><br class="gmail_msg"></div><div class="gmail_msg">Thanks,</div><div class="gmail_msg">Fran.</div></div>
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</blockquote></div><div dir="ltr">-- <br></div><div data-smartmail="gmail_signature"><div dir="ltr">Andrew Woodward</div></div>