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Prerequisites for Running dsmig
In this section, old instance refers to the 5.2 instance and new instance refers to the Directory
Server 6.0 instance.
Before you use dsmig to migrate an instance, ensure that the following tasks have been
performed:
■
The Directory Server 6.0 packages (either zip, or native packages) have been installed.
The Directory Server 6.0 packages can be installed on the same machine that holds the
Directory Server 5.2 instance, or on a dierent machine.
■
The old instance must have been stopped correctly.
A disorderly shutdown of the old instance will cause problems during the migration. Even if
the old and new instance are on dierent machines, the old instance must be stopped before
the migration is started.
■
dsmig has access to the old instance les.
■
If the old and new instances are on dierent machines, a complete image of the old instance
must be created on the machine that hosts the new instance.
The complete image includes all the les required for migration of the instance (schema,
conguration, security and database les). The complete image les must be located in the
same directories as they were under the original Server Root. You can run cp -r to achieve
this, provided none of the les have been relocated outside the Server Root.
You can create and start the new instance manually, but is not mandatory to create the new
instance before running dsmig. dsmig checks whether a new Directory Server instance exists in
the specied path. If a new instance exists, the commands are carried out on this instance. If a
new instance does exist, the instance is created automatically.
The new instance can be created anywhere except for the exact location of the old instance.
Using dsmig to Migrate the Schema
Directory Server 5.2 schema les are located in
serverRoot/slapd-instance-path/config/schema. Directory Server 6.0 schema les are located
in INSTANCE-PATH/config/schema.
Directory Server 6.0 provides a new schema le, 00ds6pwp.ldif, that contains new password
policy attributes. In addition, certain conguration attributes have been added to 00core.ldif .
Apart from these les, the standard schema les provided with Directory Server 6.0 are identical
to those provided in 5.2.
To migrate the schema automatically, run the following command:
$ dsmig migrate-schema old-instance-path new-instance-path
PrerequisitesforRunning dsmig
SunJavaSystemDirectoryServerEnterpriseEdition6.0 MigrationGuide • March200730
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