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  1. #1
    Join Date
    Sep 2002
    Posts
    24

    Talking Unanswered: Can ASE11.9.2 and 12.5.0.1 on same system?

    Is there anyone out there running two different version of Sybase(v11.9.2 and v12.5.0.1) on the same system?
    Can you use jsql and the new version of isql on v12 on v11?
    See any degrade?

  2. #2
    Join Date
    Feb 2002
    Location
    Willy is on vacation
    Posts
    1,208
    Hiya hailieu,

    On UNIX platforms, you can run as many servers as you want only limited by your hardware resources.

    You can also run different versions of ASE on the same box, as long as each of them are using UNIQUE port numbers and running from different directories there shouldn't be any conflict.

    You can use SQL Advantage available starting from 12.5.0.1 IR and connect to any earlier releases of ASE.

    Cheers
    Willy

  3. #3
    Join Date
    Sep 2002
    Location
    Sydney, Australia
    Posts
    255

    Re: Can ASE11.9.2 and 12.5.0.1 on same system?

    Originally posted by hailieu
    Is there anyone out there running two different version of Sybase(v11.9.2 and v12.5.0.1) on the same system?
    Yes, on several non-production systems.
    No problem at all but not what you would call a production server system.
    Can you use jsql and the new version of isql on v12 on v11?
    Yes. You can also use 11.x isql/jsql against a 12.x or 12.5. server. The protocol has not changed.
    See any degrade?
    I presume you mean 'See any degradation [in running more than one Sybase server on the same system] ?'. Yes, of course ... it uses system resources. It depends on how you have configured (you can tie the Sybase server to the OS/hardware loosely or tightly):
    - the OS and config parms
    - each of the Sybase servers
    - the config parms in each Sybase server.
    It is usual practice for us to run up an additional Sybase server of a new version as a TEST server for a few months on the DEV box; the DEV server is tightly bound to the DEV box; the TEST server is loosely bound and "slower". If I setup the TEST server properly and dedicate system resources to it, it would run just as "fast" as the DEV server.
    Derek Asirvadem
    Senior Sybase DBA/Information Architect derekATsoftwaregemsDOTcomDOTau
    Anything worth doing is worth doing Right The First Time
    Spend your money on standards-compliant development or spend 10 times more fixing it

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