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Thread: Migrating Zimbra7 from SLES to Ubuntu, then Upgrade to Zimbra8

  1. #1
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    Question Migrating Zimbra7 from SLES to Ubuntu, then Upgrade to Zimbra8

    Hi All,

    We're trying to figure out the best way to go about this migration. We're currently running Zimbra 7.2.2_GA_2852.SLES11_64_20121204211855 SLES11_64 NETWORK on SLES 11sp2 on 4 HP servers (1 ldap, 2 MTA, 1 mailbox), and we're looking at moving to a 3 server virtualized (esxi) environment (1 proxy, 2 ldap/mta/mailbox) on Uubuntu.

    Our first plan was to simply install the Zimbra 7 proxy on the first Ubuntu VM server (to hide what's coming from our users) into the existing Zimbra system, install the other 2 servers into the system (making for a 7 server system), then migrating the mailboxes to the new mailbox servers, setting one of the new servers as the ldap master, then removing the original 4 servers from the Zimbra system.

    Once migrated, the plan was to upgrade the system to Zimbra 8.07.

    While this seemed like a good plan to begin with, once we began serious planning, it's more complicated.

    We want to use Ubuntu 12.04LTS, but the Zimbra 7 Ubuntu dist is for v10LTS. Is it possible to install Zimbra 7 on top of Ubuntu 12.04LTS? If not, would we need to install it on Ubuntu10LTS, then upgrade Ubuntu to 12LTS before upgrading the Zimbra to v8?

    Due to backup issues (actually restoration issues. A total restore if the upgrade went really wrong would take about 40 hours) with our existing system, we'd rather not upgrade in place to Zimbra 8. Plus, since we're on SLES 11sp2, we could only upgrade to 8.03 (I think).

    Any ideas on the best way to go about this would be very much appreciated!

    Thanks!

    Mark
    _____________________
    Mark Levy
    Network Administrator - QC Holdings, Inc
    Release 7.2.2_GA_2852.SLES11_64_20121204211855 SLES11_64 NETWORK edition.

  2. #2
    phoenix is offline Zimbra Consultant & Moderator
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    Default

    Install a new server with your desired operating system and the latest version of ZCS then use ZeXtras to move everything to the new server.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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