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Thread: Upgrade from Zimbra 32 Bits to 64 Bits

  1. #1
    rrojas is offline Active Member
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    Default Upgrade from Zimbra 32 Bits to 64 Bits

    Hi,

    Actually i have installed 2 Zimbra servers (1 mta and 1 store) in a 32 Bits Machine running RedHat ES 32 Bits. I've purchased 3 new servers and i want to migrate this services to this machines (1 mta , 1 active store and 1 backup store). What's the best method to do this? I'ts possible upgrade from 32 Bits OS and Zimbra package to 64 Bits OS and Zimbra??? If not, how can i do?? Install 32 Bits OS in the new machines and then migrate?
    Last edited by rrojas; 07-31-2008 at 08:00 AM.

  2. #2
    jholder's Avatar
    jholder is offline Former Zimbran
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    Quote Originally Posted by rrojas View Post
    I've purchased 3 new servers and i want to migrate this services to this machines (1 mta , 1 activ e store 1 backup store).
    Please define backup store? Are you going to create a script or something to copy the store? In that case, why not backup the most critical things like ldap, etc.

    What's the best method to do this? It's possible upgrade from 32 Bits OS and Zimbra package to 64 Bites OS and Zimbra??? If not, how can i do?? Install 32 Bits OS in the new machines and then migrate?
    This really depends on the distro. We currently only support RHEL64.
    If you use that, then the migration should be relatively simple.

    The software needs to be upgraded, but all the data will remain the same.

    Basically, backup your /opt/zimbra
    Install RHEL64 on your new machine
    Install RHEL64-ZCS on your new 64bit machine. None of the settings will matter, but install it anyway.
    Code:
    su - zimbra
    zmcontrol stop
    su - root
    rm -rf /opt/zimbra
    rsync -avr /old/zimbra /opt
    chown -R zimbra:zimbra /opt/zimbra*
    cd /opt/zimbra/libexec
    ./zmfixperms
    cd /64-bit/install/zcs
    ./isntall.sh -s
    You MUST, MUST, MUST install your current version of ZCS. For example, if you're running 4.0, then you will need to install the 4.0 64 bit on your server. Now isn't the time to upgrade zcs. You should do that later.

    Good luck, and if you need anything, just hollar.

    john

  3. #3
    rrojas is offline Active Member
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    Default Upgrade from Zimbra 32 Bits to 64 Bits

    Ok, if i understod the step are as follow:

    1.- On my exisintg servers (both running Zimbra 3.1.1_GA_394 on RedHat ES 4) I'have to upgrade to Zimbra 4.0.0 GA 303 because this version has a 64Bits version (or another newly)

    2.- In my new servers install Zimbra 4.0.0 GA 303 64 Bits running RedHat ES 4 64Bits and the copy my /opt/zimbra from the old servers to my new 64 Bits server and follow the steps that you mentioned..

  4. #4
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    jholder is offline Former Zimbran
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    Yep.

    you got it!

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    brian is offline Project Contributor
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    Keep in mind when switching from 32 to 64 bit OS, you'll need to dump the openldap data with slapcat and import the ldif file on the new box with slapadd. A simple copy of the rest of the data in /opt/zimbra is fine.
    Bugzilla - Wiki - Downloads - Before posting... Search!

  6. #6
    rrojas is offline Active Member
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    Default Upgrade from Zimbra 32 Bits to 64 Bits

    Ok. Where can i find a docs about doing this (dump ldap )???

  7. #7
    brian is offline Project Contributor
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    These are Network Edition specific but you can extract the ldap specific parts for your purpose.


    http://wiki.zimbra.com/index.php?tit..._64-bit_Server
    Bugzilla - Wiki - Downloads - Before posting... Search!

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