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Thread: Migrate from ZCS6 -> ZCS7

  1. #1
    ScottChapman is offline Special Member
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    Default Migrate from ZCS6 -> ZCS7

    I am currently running ZCS6 on an Ubuntu 8.04 LTS 32-bit.

    I am planning on upgrading to Ubuntu 10.04 LTS 64-bit as well...

    What is the best strategy? Upgrade the OS first, or ZCS?

    Any anything I can read on how to do this migration?

    Thanks in advance!

  2. #2
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by ScottChapman View Post
    I am currently running ZCS6 on an Ubuntu 8.04 LTS 32-bit.

    I am planning on upgrading to Ubuntu 10.04 LTS 64-bit as well...

    What is the best strategy? Upgrade the OS first, or ZCS?

    Any anything I can read on how to do this migration?

    Thanks in advance!
    Use the following instructions (ignore the specific NE steps): Network Edition: Moving from 32-bit to 64-bit Server - Zimbra :: Wiki
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

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    Labsy is offline Elite Member
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    My advice is to wait until 7.0.1 is released, because there might be some random issues, possibly related to ZCS on UBUNTU 8.04 64-bit. Some of us have had problems after upgrading to 7.0.0 in webmail with signatures and being unable to save changes in preferences tab.
    Generally, it's always best to wait a patch or two before deploying new releases (7.x.x) into production environment.

  4. #4
    ScottChapman is offline Special Member
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    Thanks for the advice. Things work like a champ now, so I am in no rush.

    To be clear there are three changes I need to so:

    1) 32 -> 64bit
    2) Ubuntu 8.04 -> 10.04
    3) ZCS 6 -> 7

    Is it possible to combine 1 & 2 together using the 32-64bit migration instructions referenced?

  5. #5
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by ScottChapman View Post
    Is it possible to combine 1 & 2 together using the 32-64bit migration instructions referenced?
    From the wiki article:

    IMPORTANT: The ZCS release you install on the 64-bit server must be the same release as installed on the 32-bit server. The server can have a different operating system.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  6. #6
    ScottChapman is offline Special Member
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    Awesome, thanks.

    Since it also says I need to go through a Zimbra install using EXACTLY the same settings as my existing server, how do I do a dump of the existing settings (for install) to use as a reference?

    Thanks in advance!

  7. #7
    phoenix is online now Zimbra Consultant & Moderator
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    Quote Originally Posted by ScottChapman View Post
    Since it also says I need to go through a Zimbra install using EXACTLY the same settings as my existing server, how do I do a dump of the existing settings (for install) to use as a reference?
    It's all covered in the article. Set-up the server with the same hostname & domain name as the old server then follow the instructions in the article, it tells you which setting to change in the configuration files. Read the article a couple of times so you're familiar with the steps and then just go through them one by one, the article does work. If you have a problem then it's most likely you've not followed the steps exactly, you can always remove Zimbra and start again.
    Regards


    Bill


    Acompli: A new adventure for Co-Founder KevinH.

  8. #8
    ScottChapman is offline Special Member
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    Thanks, so where I am stuck is at the last step for preparing the 64-bit server:
    Change any other settings on the new server to match the configuration on the original server.

    Is there a way for me to see the settings on my current 32-bit server in a manner consistent with what the installer is showing me on my 64-bit server so I can make sure they match?

    And maybe there is also a way (post install) that I can do a reasonable dump of the settings to comparing using diff?

    Thanks in advance, otherwise I think I get the rest.

  9. #9
    ScottChapman is offline Special Member
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    I am assuming the answer to the above, is just the settings that the installer is showing, I did a zmprov galc to list everything so I think I got the settings just fine.

    That said, I did run into a couple of inconsistencies:

    editing my localconfig.xml file, I noticed a couple of anomolies:

    - My 64-bit server didn't contain any logger keys
    - My 64-bit server didn't contain any mailboxd_keystore keys

    And both of my machines (running 6.0.10_GA) and I couldn't fix up the tomcat keystore (neither machine had /opt/zimbra/tomcat but did have /opt/zimbra/mailboxd). Not sure if the instructions regarding copying keystore has the instructions backwards...

    Help?

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