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  1. #1
    Join Date
    Mar 2002
    Posts
    2

    Unanswered: Two versions in a server?

    Hello,

    Is it possible to install two versions (7.x and 9.30 )
    of informix in a server?

  2. #2
    Join Date
    Mar 2002
    Location
    Bangkok
    Posts
    11
    It may be possible in Unix, if you install each version on different directory (this mean 2 engines will use different onconfig and sqlhosts fiels), use separate chunks, use different environment variables for informix (this mean you should use different user to start informix).

    It is impossible on Windows NT because sqlhosts file is in the same registry in the same machine.
    Erawan

  3. #3
    Join Date
    Feb 2002
    Posts
    2,232
    Definitely on Unix. However, I would exercise extreme caution as multiple instances will degrade performance based on the usage and size of the instances as well as the hardware on the server (disk, cpu, memory...). Also performance troubleshooting is much more difficult.

    I do not know your environment but a question I have is what is preventing you from just upgrading your 7.x to 9.30 ?

    Good luck.

  4. #4
    Join Date
    Mar 2002
    Posts
    2
    Thanks a lot.

  5. #5
    Join Date
    Nov 2001
    Location
    Germany
    Posts
    14

    Environment variable??

    Hi,
    isn't it possile to set the environment variable "SQLHOSTS" on MS platforms?Or is it not supported?

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