Considerations include the location for the chunk files
and the size of the initial chunk of database space.
When installing a database server,
the setup program prompts you for the location of
the Informix® chunk files. When you choose the location:
- Place the chunk files where no one can remove them.
The chunk files must be located on a local disk on the database server. After
you create a chunk file on a database server, do not move it. If you
do, the database server will no longer work, and you might lose data.
- You must use a local NTFS file system.
- In the future, you might want to expand the capacity
of the database server. If so, you must create additional chunk files.
By default, Rational Synergy uses
the following criteria to create the initial chunk of database space
(dbspace):
- 1 MB multiplied by the number of users is used for
root, log, and temp dbspace (root dbspace must be at least 60 MB).
- 2 MB multiplied by the number of users is used for
the initial ccm dbspace.
Note: The criteria are just a rough estimate of
the initial database chunk. As a rule, generously allocate space for
the ccm dbspace because the ccmdbspace
is where all metadata is stored and where the database typically grows.