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Thread: RHES4U3: Upgrade from 4.5.5 to 5.0.2

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    noman1 is offline New Member
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    Default RHES4U3: Upgrade from 4.5.5 to 5.0.2

    Hello,

    I have a two-node Red Hat ES 4 Cluster running with the ZCS-NETWORK-4.5.5_GA_838.RHEL4.tgz code release (June '07). This cluster is a single-node cluster (meaning one ACTIVE node with all services running on it, including LDAP and MTA,etc and one PASSIVE standby node). I am planning on going to zcs-NETWORK-5.0.2_GA_1976.RHEL4.20080130204528.tgz code release. Please, point me to all the appropriate documents needed to complete this task. Also, this will be done on the production environment, i need to be sure it goes smooth. Please, advice on all the necessary steps i have to take to ensure everything goes smoothly.

    ~rookie

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    mmorse's Avatar
    mmorse is offline Moderator
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    Cluster documentation can be found in the support portal.
    The docs are currently being revised for 5.0.x, however you should still get on 4.5.11 first following the 4.5.x docs.
    4.5.11 & 5.0.2 Released!

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    noman1 is offline New Member
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    Mike,

    Are you saying that I CANT go from 4.5.5 to 5.0.2 release in one hop? I could consider going to 5.0.0 (its a one man show here + plus we have just web support for production). I am new to the whole Zimbra environment, so i am trying to be as cautious as possible during this upgrade. Also i found the "single server cluster upgrade" document, will this be sufficient for this task?

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    mmorse's Avatar
    mmorse is offline Moderator
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    I believe that the clustering upgrade process to 5.0.2 still needs to be finalized - when it's ready the docs will be posted in the support portal.
    Hence my suggestion to get to 4.5.11 in the meantime - you should anyways
    Current 5.0.2 release notes read:
    Installing the clustering feature has been integrated with the install and upgrade functionality of ZCS for 5.0.0. We are currently working on an upgrade procedure to enable clustered hosts to move from 4.5.x to 5.0.0 and it will be available shortly. Important: Do not attempt a cluster upgrade using ZCS Cluster upgrade documentation for 4.5. Contact Support for information.
    Bug 23670 - 4.5.x to 5.0.x cluster upgrade documentation & Bug 24297 - 5.0.2 Cluster Install Fails

    You may also be interested in Bug 18197 - RHEL5 support for cluster/RHCS
    Last edited by mmorse; 02-05-2008 at 07:43 PM.

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