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Plesk IP migration issue

Discussion in 'Plesk 9.x for Linux Issues, Fixes, How-To' started by MachiM, Aug 20, 2010.

  1. MachiM

    MachiM Guest


    I will need to change the IP address of several Plesk containers. I
    understand how to change the IP in Plesk and also understand how to
    bulk change IP address for all domains by following the

    However there seems to be a problem with the apache configuration,
    example as below.

    OLD shared IP :
    NEW shared IP :
    domain.com : OLD shared IP :

    Apache is only listening on IP for domain.com. Now if add the
    IP address to the server and change the IP address of the
    domain to the new IP then the website is no longer accessable
    until the DNS change propagates which usually takes upto 48hrs.

    This downtime of upto 48hrs is not acceptable. How can I enable
    apache to listen on ALL IP address for domain.com ? If apache can
    service the site domain.com on both NEW and OLD IP addresses then
    during the DNS propagation the webiste will not be down and after
    48hrs I can remove the OLD IP.

    Basically I am trying to acheive zero downtime when changing IP
    address on the same server. Both old and new IP addresses can be
    available simultanoesly on the server during the migration process.

    I also understand that I can change the DNS TTL to some very short in
    order to minimize this, however please note that some domains have
    DNS hosted at 3rd party and so it will be very difficult to
    arrange/co-ordinate this.

    Please advise.

  2. Vikash

    Vikash Guest

    I would like to know how to do this too. Changing IP within the same server should be something simple to do without downtime.