80 Tivoli Business Systems Manager Version 2.1: End-to-End Business Impact Management
3.2 The databases
IBM Tivoli Business Systems Manager comes with pre-populated databases.
Detailed installation procedure is given in 6.3, Database server installation on
page 176. The following databases are provided:
Objects The primary IBM Tivoli Business Systems Manager
database that stores most of the management data. As
the name implies, it stores IBM Tivoli Business Systems
Manager objects information, attributes, and links.
ASIRuleSvc Rule database that contains a mirror image of selective
IBM Tivoli Business Systems Manager objects for rule
processing. This database offloads some heavy rule
processing from the main object database, as most of the
rules are not concerned with state changes.
Meta Metadata database that contains the most information
about IBM Tivoli Business Systems Manager database
objects structure, attributes, and methods. Some of the
tables here are provided as views in the object database.
RODM, RODMLoad Temporary loading database for SNA network objects
from RODM.
OPCLoad Temporary loading database for Tivoli Workload
Scheduler (used to be called Tivoli OPC) data.
WebServer Database for the help and reporting system resources.
ObjectEvents Contains the processing queues of IBM Tivoli Business
Systems Manager. Each queue isrepresented in three
tables: Pending<qtype>, LastProcessed<qtype>, and
ObjectQueues Not used.
3.3 Object implementation
IBM Tivoli Business Systems Manager uses an object-oriented data structure. It
implements the objects in Microsoft SQL Server relational database. Typically, an
object in IBM Tivoli Business Systems Manager has:
򐂰 Class definition and attributes
򐂰 Methods that can be invoked
򐂰 Links to other objects
Our discussion provides some information about object implementation.
Chapter 3. Database structure 81
3.3.1 Important information sources
Tables that show important information about IBM Tivoli Business Systems
Manager object structure typically reside in the Meta database, but they can be
accessed through views in the Object database. Those are:
obj_class Primary table that contains an objects class definition.
link_type Primary table that describes existing link types.
isa_table Inheritance structure table.
obj_link_table Lists all possible links between object types.
link_chain Generated containment structure table.
isa_chain_table Generated inheritance structure paths.
method_table Lists the available methods for a specific class.
Extensions to these core information tables address required new functions.
These additional informational tables are not related directly to the object
implementation, but provide good information about the IBM Tivoli Business
Systems Manager object classes:
򐂰 Tables provided with the IBM Tivoli Business Systems Manager agent listener
GEM_LookupCID Provides a master list of all Gxxx classes that are
dynamically created and mapped to the
triplet (the
information about Manufacturer, Product, and
Version). The triplet is the key matching attribute for
the TEC integration as discussed in Chapter 7, TEC
components integration on page 209.
GEMIDLookup Provides the field key lookup for TEC-related objects,
such as IP Address, TMR, and host name, so that
finding an object does not require searching through
multiple tables with dynamically created names
Gxxxcname_C and Gxxxcname_A.
GEM_DMtoCID Provides a mapping for the old Tivoli Distributed
Monitoring Version 3.6 objects implementation.
Multiple DM profiles can be mapped to a single IBM
Tivoli Business Systems Manager class, therefore this
table is necessary.
򐂰 Tables provided with the Common Listener implementation:
CL_AutoPlacement Mapping of instrumentation to enterprise
CL_LinkRules Rules for creating a link based on the cid and other
CL_Options Common Listener global options
CL_Registration All known registered connectors

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