Enabling the change log

You can use either the Configuration Tool or the command line to enable the change log.

Enabling the change log with the Configuration Tool

To use the Configuration Tool to enable the change log:

1. Stop the server.
2. In the Configuration Tool, click Manage changelog in the task list on the left.
3. In the Configure/unconfigure changelog window, select the Enable change log database check box.
4. In the Maximum number of log entries box, click Unlimited if you want an unlimited number of entries in the change log. If you want to limit the number of entries, click Entries and type the maximum number of entries you want recorded. The default is 1,000,000 entries.
5. In the Maximum age box, accept the default of Unlimited if you want entries to remain in the change log indefinitely, or click Age and type the number of days and hours for which you want each entry to be kept.
6. Click Update.
7. Messages are displayed while the change log is being enabled. Click Close when the task is complete.

Enabling the change log with the command line

You can use the idscfgchglg command to configure a change log for a directory server instance.

The change log is a database that is created in the same database instance as the directory server instance database. An additional 30 MB of hard disk space are required. The change log information is added to the directory server instance's ibmslapd.conf file. A change log requires the following:

• A database instance with the same name as the directory server instance must already exist.
• A database for the directory server instance must already be configured.
• For AIX®, Linux, and Solaris platforms, the local loopback service must be registered in the /etc/services file.

Otherwise, the command fails.

This command cannot be used for a proxy server instance.

You can optionally specify the maximum number of entries to keep in the change log and the maximum age to which each entry in the change log is kept until it is automatically destroyed. If you do not specify any options, the entries in the change log never expire and the size of the change log is a maximum of 1,000,000 entries.

For example:

To configure a change log for directory server instance ldapdb with no age limit or size limit, issue the command:

idscfgchglg -I ldapdb –m 0

To configure a default change log for directory server instance ldapdb with a size limit of 1,000,000 and an entry age of 25 hours, issue the command:

idscfgchglg -I ldapdb –y 1 –h 1

See the IBM® Tivoli® Directory Server Version 6.3 Command Reference for detailed information about the idscfgchglg command.

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