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Understanding the GroupWise Directory

Novell Cool Solutions: Feature
By Tay Kratzer

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Posted: 19 Feb 2004
 

Read a sample chapter from Tay Kratzer's GroupWise 6.5 Administrator's Guide. Chapter 3: Understanding the GroupWise Directory. Learn how the various components of the GroupWise directory fit together. This sample chapter examines the principles of administration and the flow of administrative messages through the GroupWise system.

GroupWise 6.5 Administrator's Guide
Sample Chapter 3: Understanding the GroupWise Directory -- by Tay Kratzer. - published on informit.com

Here's an excerpt:

This chapter explores how the various components of the GroupWise directory fit together. It examines some principles of administration and the flow of administrative messages through the GroupWise system, and it lays the groundwork for a very detailed discussion on troubleshooting and fixing the GroupWise directory in Chapter 22, "Fixing the GroupWise Directory." The GroupWise directory refers to the databases used to manage GroupWise objects.

GroupWise Directory Components

As mentioned in earlier chapters, the GroupWise directory uses both eDirectory and the GroupWise domain and post office databases. eDirectory and the GroupWise domain database (WPDOMAIN.DB) together provide the administration-level directory databases. The portion of the GroupWise directory that is replicated for GroupWise clients to use is the post office database (WPHOST.DB).

GroupWise domain, post office, and message store databases use an underlying architecture called FLAIM, which allows for billions of extensible records. Until 1999, eDirectory used a different architecture that was also extensible, but did not work as well for large numbers of records. In 1999, Novell released eDirectory Version 8, which also uses FLAIM as its underlying architecture. Despite the fact that the lowest-level structures are now similar, the two systems are still separate.

Figure 3.1 shows some important architectural concepts that need to be explored:

  • When administering GroupWise objects, most of the information goes into the GroupWise FLAIM databases.
  • Information in eDirectory is moderately important to GroupWise administration.
  • Every GroupWise domain database is essentially identical to every other record in other GroupWise domain databases.
  • GroupWise post office databases only accept information that has first flowed through their owning domain.
  • Not all information written to a domain database is written to a GroupWise post office database.
  • GroupWise post office databases are not modified by GroupWise administration.

Read the entire chapter here

more Kratzer's Hot Docs

See other articles written by Tay Kratzer at "Kratzer's Hot Docs": http://www.novell.com/coolsolutions/gwmag/trenches/kratzer.html


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