Re: changelog configuration in MMR environment

Noriko Hosoi <nhosoi@xxxxxxxxxx> · Wed, 01 Jul 2015 17:10:54 -0700

    On 07/01/2015 04:55 PM, William wrote:

          Do the settings under cn=changelog5,cn=config (such as nsslapd
-changelogmaxage) have an effect on newer MMR environments?

        Yes, they do.

      Glad to know that.

          The
documentation seems to indicate that the values under cn=changelog5 
are
only related to the older replication mechanisms.

        Which documentation are you reffering?

      https://access.redhat.com/documentation/en
-US/Red_Hat_Directory_Server/8.0/html/Configuration_and_Command_Referen
ce/Configuration_Command_File_Reference
-Retro_Changelog_Plug_in_Attributes
-nsslapd_changelogmaxage_Max_Changelog_Age.html

    Thank you, William!

    Are you running RHDS8?  It is quite old...  I'd recommend the latest
    version which is RHDS 10.

https://access.redhat.com/documentation/en-US/Red_Hat_Directory_Server/10/html/Configuration_Command_and_File_Reference/index.html

      Because it's under the retro_changelog_plugin section, and the
discussions of retro changelog is described as:

"T he Retro Changelog plug-in configures Directory Server to maintain a
changelog that is compatible with
the changelog implemented in Directory Server 4.0, 4.1, and 4.1x.
Maintaining a retro changelog is
essential to maintain a changelog for directory clients that depend on
a Directory Server 4.x-style
changelog."

In the administration guide.

    Retro changelog is a separate plug-in.  Despite of the name "retro",
    it is still useful to store the change logs in the database
    independent from new/old replications.

    dn: cn=Retro Changelog Plugin,cn=plugins,cn=config

      objectClass: top

      objectClass: nsSlapdPlugin

      objectClass: extensibleObject

      cn: Retro Changelog Plugin

      nsslapd-pluginPath: libretrocl-plugin

      nsslapd-pluginInitfunc: retrocl_plugin_init

      nsslapd-pluginType: object

      nsslapd-pluginbetxn: on

      nsslapd-pluginEnabled: off

      nsslapd-pluginprecedence: 25

      nsslapd-plugin-depends-on-type: database

      nsslapd-plugin-depends-on-named: Class of Service

    cn=changelog5,cn=config is the changelog being used in MMR --
    cn=Multimaster Replication Plugin,cn=plugins,cn=config.

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