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Re: origin cluster migration



I would think you’d be able to a blue/green upgrade

https://docs.okd.io/3.9/upgrading/blue_green_deployments.html

After moving to new hosts, you could do in place upgrades for each minor version until you got to 3.9.

Todd



    Today's Topics:

3. Openshift Origin cluster migration (Marcello Lorenzi)


    ------------------------------

    Message: 3
    Date: Fri, 17 Aug 2018 10:18:11 +0200
    From: Marcello Lorenzi <cello86 gmail com>
    To: users <users lists openshift redhat com>
    Subject: Openshift Origin cluster migration
    Message-ID:
    <CACT02+7V=oUVE7dH7a4aMSDSd3YfL_1Zcpvem2j+JT8xzyc+hw mail gmail com>
    Content-Type: text/plain; charset="utf-8"

    Hi All,

    we are checking the possibility to move an existing Openshift Origin 3.6
    cluster hosted on a KVM environment to a newer Openshift Origin 3.9 cluster
    hosted on VMWare environment with more servers and hardware optimized. Into
    this migration we would maintain the wildcard DNS address and the master
    API address.

    Is it possible to install via advanced installation the newer cluster or
    the installer tries to contact the older cluster and it can creates issues?

    Thanks,
    Marcello
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