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[{TableOfContents }]\\
In this appendix we provide information needed for backup and recovery of the single signon\\
!! Microsoft Active Directory\\
Our scenario uses Kerberos authentication in the Microsoft Active Directory of your Windows\\
2000 server. Backup and recovery of the Active Directory is therefore essential. For details\\
refer to the Microsoft Technet whitepaper Active Directory Disaster Recovery at:\\
This document also covers the Domain Controller replication, which prevents the Kerberos\\
Network Authentication Service to be the single point of failure in the network. If you want to\\
make your network more reliable and available you should consider setting up Domain\\
Controller replication.\\
!! Objects on your iSeries system\\
Details about the iSeries objects used to store the information for Network Authentication\\
Service and EIM are given here.\\
For details about how to backup and recover iSeries objects, refer to Backup and Recovery,\\
!! The iSeries Network Authentication Service objects\\
All objects used by the Network Authentication Service on the iSeries server are located in\\
the Integrated File System (IFS) directory:\\
We recommend that you backup all objects and sub-directories of this directory on the same\\
schedule that you back up your iSeries security data.\\
!! The EIM domain on the iSeries LDAP directory server\\
The EIM domain is implemented in an LDAP directory. If you use the directory server\\
integrated in OS/400, it stores information in the following locations:\\
* The database library (QUSRDIRDB by default), which contains the directory servers\\
contents. The name of the library can be found in iSeries navigator Network -> Servers ->\\
TCP/IP -> Directory Server -> Properties.\\
* The QDIRSRV2 library, which is used to store publishing information (not used by EIM).\\
* The QUSRSYS library, which stores various items in objects beginning with QGLD\\
(specify QUSRSYS/QGLD* to save them).\\
* If you configure the directory server to log directory changes, a database library called\\
QUSRDIRCL that the change log uses.\\
Important: Correct object authorities of the Network Authentication Service objects and\\
EIM objects are essential for your system and network security. To maintain them after the\\
restore, it is not sufficient simply to restore the objects. You need to Restore User Profiles\\
(RSTUSRPRF) prior to restoring the objects and to Restore Authorities (RSTAUT) after\\
restoring the objects. For details refer to Backup and Recovery, SC41-5304.\\
Appendix A. Backup and recovery 227\\
We recommend that you backup the libraries and objects listed above on the same schedule\\
that you back up your iSeries security data. It may be necessary to save-while-active since\\
the option to end the LDAP server may not available to you.\\
The configuration data is stored in the following directory:\\
You should also save the files in that directory whenever you change the LDAP configuration\\
or apply PTFs.\\
Another approach, from an availability perspective, is to use LDAP replication. Through V5R2,\\
the OS/400 directory server has the capability to replicate data between a master server and\\
one or more read-only replica servers. You can find more on replication in the IBM Redbooks\\
on LDAP:\\
* Implementation and Practical Use of LDAP on the iSeries Server, SG24-6193\\
* Understanding LDAP, SG24-4986\\
* LDAP Implementation Cookbook, SG24-5110\\
!! The iSeries EIM configuration\\
Except for the data in the EIM domain in the LDAP directory, EIM uses configuration\\
information you enter when you run the EIM configuration wizard. This configuration data\\
contains the URL of the LDAP server and the name of the parent DN (if any).\\
The EIM configuration data is saved automatically with your security data using the Save\\
Security Data (SAVSECDTA) command.\\
You restore it simply by restoring the QSYS user profile object.\\
!! Sample CL program to save your data\\
Example A-1 is a sample CL program that will save your data that relates to Network\\
Authentication Service, LDAP, and EIM.\\
/* SAVSSOOBJ - Save SSO objects (and more) */
/* Parm: Device to which the objects are saved, */
/* i.e. DEV parameter for various SAV... commands */
/* */
/* Saves the following: */
/* - OS/400 security data including EIM configuration in the QSYS *USRPRF */
/* - LDAP configuration and Network Authentication Service objects from IFS */
/* - LDAP objects from QUSRSYS (their name start with QGLD) */
/* - All default LDAP libraries. */
/* You may need too change the following in the SAVLIB command: */
/* * Change the name of the LDAP database library, if you changed */
/* the default name in DIrectory Server Properties */
/* * Remove the name of the QUSRDIRCL library if you have not set up */
/* the logging of changes. */
/* * Remove the name of the QDIRSRV2 library if you are not using */
/* directory publishing */
DCL VAR(&DEV) TYPE(*CHAR) LEN(10) /* PARM: Device for save commands */\\
/* Establish error handling */\\
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