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DNS Cluster / Account transfer

Discussion in 'Bind / DNS / Nameserver Issues' started by Legin76, Jun 21, 2012.

  1. Legin76

    Legin76 Well-Known Member

    Dec 11, 2007
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    I have 2 servers,one new and one old and want to transfer half the sites to the new server to share the load.

    If I set up a dns cluster with the two servers and transfer the accounts from one server to the other, would it cause any issues and would the dns changes happen instantly?

    My theory is that if I warn customers of possible down time, but can do it in just the time it takes to transfer the sites and delete the old, with the dns going straight to the new server, then many customers may not even notice the change over had happened.
  2. Infopro

    Infopro cPanel Sr. Product Evangelist
    Staff Member

    May 20, 2003
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    Root Administrator
    This is possible. A few comments if I may from my own experiences doing this.

    Don't delete anything, anywhere until you're sure you are done.
    Make sure DNS cluster works properly in advance of moving anyone.
    New server, new server host name, so, users that have been using and been redirected (via Tweak settings > Redirection tab) to will now be going to and this is fine of course, but if they've bookmarked cPanel once they're logged in, will no longer work at some point so, users won't get in and will be contacting you.
    Setup the DNS cluster proper and move one of your own smaller accounts or test accounts to make sure all works as expected.
    If you have large accounts near quota, this could be problematic during the move. To insure its not, change the quota on those accounts and give them plenty of space in advance of moving them. You can reset to the default account quota once you get them to the other side.

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