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While the database server engine is upgraded by this task, the preceding steps do
not change your databases.
To start the IDS instance, you must initialize the server manually.
Multiple Residency
You can set up multiple independent database server environments on the same
computer
Complete the following tasks to set up multiple residency.
Planning for Multiple Residency
When you plan for multiple residency on a computer, consider the following
factors:
v Storage space
Each database server must have its own unique storage space. You cannot use
the same disk space for more than one instance of a database server. When you
prepare an additional database server, you need to repeat some of the planning
that you did to install the first database server. For example, you need to
consider these questions:
– Will you use mirroring? Where will the mirrors reside?
– Where will the message log reside?
– Can you dedicate a tape drive to this database server for its logical logs?
– What kind of backups will you perform?
v Memory
Each database server has its own memory. Can your computer handle the
memory usage that an additional database server requires?
Creating a New Database Server Instance
Before you set up multiple residency, you must install one database server as
described in Chapter 2, “Installing IDS on Windows,” on page 2-1. It is not
necessary to install more than one copy of the database server binary files. All
instances of the same version of the database server on one computer can share the
same executable files.
To set up multiple residency, use the Server Instance Manager. To use the Server
Instance Manager program, you must have administrative privileges on the
database server. However, local administrator privileges are sufficient, even if the
database server was installed for domain use.
Before you use the Server Instance Manager, verify that you are a member of the
Informix-Admin group. For more information, see “Verifying Administrators
Group Membership” on page 1-1.
The following steps are for using the Server Instance Manager GUI. See “Server
Instance Manager Command-Line Options” on page 2-14 for other ways you can
use this utility.
To create a new database server instance:
1. Choose Start → Programs → IBM Informix Dynamic Server 11.50 → Server
Instance Manager.
Chapter 2. Installing IDS (Windows) 2-13
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