For companies that want to operate efficiently, it is essential to bring together all business-relevant information from distributed data sources in a central location. In the best case, this location is a Configuration Management Database (CMDB). Find out what a CMDB is, what advantages it brings, how it should be structured and how it should be maintained in order to provide optimum benefits.
In a nutshell:
A CMDB is a data pool that stores all information about the configuration of elements within an organization. The IT organization determines exactly what should flow into the CMDB database. This may include the following elements …
Once fed into the Configuration Management Database, the configuration data is correlated and interdependent. That is, they can be assigned to classes and attributes. Any change to an element or the relation to other elements is automatically recorded and documented. But how does that work exactly?
A CMDB contains a set of data or elements. These elements are called Configuration Items (CIs). As defined in ITIL 4, CIs are “all components that need to be managed in order to provide an IT service”.
For example, an asset, such as a laptop, can be a Configuration Item, but it does not have to be. The decisive factor here is whether the asset is configurable and has relevant dependencies to other elements. When planning and defining dependencies in a CMDB, the following should be considered to make the system work:
Here is an example to make what has just been said easier to understand: For each device (for example, a laptop), all its properties, such as …
… are recorded. But that’s a lot of information required per device. If you multiply this by the number of devices in the company (all laptops), the amount of data stored, or the effort required to store it, becomes infinitely large, not to mention unmanageable.
However, if the new documentation is created in a CMDB and the affected CIs (again the laptop example) are given a logical relationship to this documentation, the data is updated automatically. This saves time and resources because, ideally, the new software version is identified when the CIs are automatically recorded (via a discovery engine) and the new documentation is put into relation via automation rules.
Relationships are also used to recognize dependencies. If, for example, an external service provider fails, it can be selected in the CMDB and a list of all sites or devices related to this service provider can be displayed. Therefore, when planning a CMDB, consider the following:
The CMDB can therefore exchange data with various systems, determine dependencies and configure properties as part of IT service management (ITSM) – a CMDB therefore has many features.
However, a CMDB is not an isolated system, but also forms a basis that can be accessed by all systems used in the company. Here are a few examples of how a configuration management database works together with various systems:
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By building up a CMDB, companies get a valid database with high-quality information, which not only minimizes the time needed to obtain information, but also forms the basis for increasing process and service quality.
The aim of a CMDB is therefore to provide companies with exactly the information they need to make better business decisions and carry out ITSM processes efficiently.
The possible uses and application examples for a CMDB in the company are diverse and all company areas can benefit from it. Because it offers:
The CMDB therefore contains information from all areas of your company, saves it in the CIs, establishes connections between them and makes information available to employees and managers centrally and across departments.
By centralizing all configuration information, all staff and management can better understand critical CIs and their relationships to each other. A CMDB can therefore be of great benefit for important ITSM processes:
The following graphic illustrates well how ITSM processes, database configuration management, the discovery engine and process automation are interrelated.
A CMDB saves time and avoids idle time because your team no longer has to scroll through dozens of tools to find the information they need. No matter whether you are looking for information on a server from monitoring, an invoice from financial accounting or the last correspondence with the technical department in order to be able to rectify a fault: All information and documents are available in the CMDB.
An always up-to-date CMDB …
However, the greatest added value is the reliability of information. Since there is no longer any local documentation and all changes are documented in the CMDB, highly up-to-date information is always available to employees in all departments.
The tedious and error-prone comparison between different documentation data to determine the current version is thus history thanks to a well-maintained CMDB. In regulated industries, it can also support compliance, help teams manage controls and provide a clear audit trail.
However, in order to reap these benefits, it is important to take certain steps within the company and leave nothing to chance when implementing a CMDB.
The decisive factor in determining whether a CMDB can be used efficiently is its structural design. This means that it must be designed according to current company-specific requirements. Currently, this means that the requirements and needs in a company can change. A CMDB must be able to follow such changes and map them correctly, preferably in real time.
To benefit from the advantages just mentioned, you need to plan well and overcome various challenges. Here we name the three most important:
A CMDB can quickly become one of the largest data repositories in your company. This is because it often additionally contains a copy of data from other source systems in order to be used effectively and to map the complete company. Then, as companies grow and develop, the data set can become quite large and then you need to be able to act.
A CMDB is only as good as the timeliness of its data. So if your IT environment changes, the data stored in your CMDB must also change as a result, and functions such as auto-discovery help you with this. This means new assets, removal of retired assets, changes to existing assets and the relationship between them must always be up to date. In addition, outdated or obsolete information should be updated or corrected as automatically as possible.
The value of a configuration management database lies not only in its data, but above all in its correct use. So to use a CMDB effectively, you need …
… to make efficient use of all configuration data. But it is not only certain challenges that a CMDB poses to you, you should also plan well for the introduction in the company itself. Because properly implemented, a CMDB facilitates the work of your IT teams at all levels and significantly optimizes the quality of your digital services.
Industry statistics show that only 25% of companies are able to derive a meaningful benefit from their CMDB investments. Due to this low success rate, this technology has a rather dubious reputation. However, this poor reputation is not due to the performance of the CMDB itself, but rather to the incorrect use and inadequate implementation of the system.
Every company needs to check whether the introduction of new technologies and processes will be successful. In a recent study by the Harvard Business Review, 93% of managers stated that the biggest challenge in data-driven digital transformation is employees’ knowledge of these processes.
To help you overcome these challenges, here are 5 tips to help you successfully introduce CMDB management.
CMDBs are often described as a central source of information. This sometimes leads to companies trying to squeeze all their data into one database without thinking about whether the data is even relevant.
As with any data pool, a CMDB should contain only focused, useful data that also supports internal business processes. So make sure that your CMDB has a clearly defined benefit and offers the possibility to update data, to map all changes and that there are also clear responsibilities for this.
When we refer to a CMDB as a central location for displaying asset data, this does not mean that all asset data must be located exclusively in the CMDB. For example, it makes more sense to store financial data in an IT Financial Management (ITFM) tool and software license information in a Software Asset Management (SAM) tool.
The data can then be imported into your CMDB and mirrored, even if this is not the primary storage location.
The most common problems with using a CMDB are that …
A suitable solution to these challenges is event-driven detection, which complements traditional bottom-up detection. Bottom-up discovery assigns assets from infrastructure to customer-facing CIs.
Event-driven detection occurs when, for example, an event occurs within a system or a problem occurs that results in communication between systems. Based on this event, the system then assigns the associated CIs and their connections.
CMDBs are not only used to model older infrastructures and software, but also to catalog new infrastructures and the associated workflows.
Choosing the right tool is extremely important to ensure that a CMDB adds value to business processes. Some CMDB tools are nothing more than data structures that are slow to respond to changes. In order to work successfully with a CMDB, you need a powerful configuration management database tool.
The CMDB software SmartCMDB from REALTECH offers exactly that by creating a database for the automation of your IT processes. It provides access to all information as well as assets of your organization. Thus, it supports you during audits or the analysis and monitoring of your critical infrastructures. And we help you with the implementation in the company through our support team. We also help you solve the challenges and issues you and your employees face.
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The introduction of a configuration management database (CMDB) comes with high requirements, but the maintenance afterwards can be an equally significant challenge. The quality of the data determines the effectiveness of the processes and the satisfaction of the users.
If employees receive outdated or incorrect information to perform their tasks, this can significantly affect their work and even make it pointless. Such situations often lead to frustration and mistrust towards the system, which in turn can result in the CMDB being bypassed or not accepted. To avoid this problem, careful and continuous maintenance of the CMDB is essential. This is ensured as follows:
In today’s dynamic business environment, an intelligent, standardizing discovery engine is indispensable. It must be able to reliably identify various technical objects, read out their status and configuration, and make them easily accessible to the user on a normalized basis (with uniform designations and notations).
In addition to the intelligent discovery function, the CMDB must have sufficient interfaces and methods to be able to cleanly synchronize data from third-party systems at any time. In short, a uniform image of the heterogeneous reality should always be generated in the CMDB.
Only if configuration items (CIs) and their relationships are up to date and the metamodel adapts to constantly changing conditions can the CMDB realize its full potential and become a valuable, reliable tool.
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Implementing a CMDB involves a lot of work, but this effort is rewarded. Because the advantages of a functioning CMDB are enormous. By creating a binding information point, you create added value – not only for IT, but for all departments including. Management. In short, you not only make processes within the company more efficient, you also optimize your entire company with a CMDB.
CMDB is the abbreviation for Configuration Management Database, i.e. a central database that contains all relevant information about the hardware and software components of the IT infrastructure used by IT services.
The purpose of a CMDB is to identify, store, monitor, determine, catalog, and report on service assets and CIs to designated locations. This leads to saving time, ways and resources by storing all relevant information needed to achieve business goals in one place.
A CMDB contains so-called configuration items (CIs). CIs are all components that have to be managed in order to provide an IT service. For example, an asset, such as a laptop, can be a Configuration Item, but it does not have to be. The decisive factor is whether the asset is configurable and has relevant dependencies to other elements – then it belongs in a CMDB.
