# CMDB model · CentOps documentation

> Categories and classes of configuration items in layers from the service down to infrastructure, and the relationships between them.

URL: https://centops.eywo.digital/en/docs/cmdb-model/
Language: en
Last updated: 2026-10-30

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# CMDB model

Categories and classes of configuration items in layers from the service down to infrastructure, and the relationships between them.

1.  [Overview](https://centops.eywo.digital/en/docs/)
2.  [Modules](https://centops.eywo.digital/en/docs/modules/)
3.  [Processes](https://centops.eywo.digital/en/docs/processes/)
4.  [CMDB model](https://centops.eywo.digital/en/docs/cmdb-model/)
5.  [Terms and FAQ](https://centops.eywo.digital/en/docs/terms/)
6.  [Datasheet](https://centops.eywo.digital/en/docs/datasheet/)

## Model layers

01**Services**

### Business services

Customer-facing services and their dependencies

Business service

02**Applications and data**

### Applications

Applications and their owners

ApplicationsApplication service

### Application platforms

Middleware, application and integration servers

Application platform

### Database

Database instances and databases

Database instanceDatabase

03**Runtime**

### Containers

Container clusters, nodes and namespaces

Container clusterCluster nodeNamespace / project

### Virtual servers

Virtual machines on all platforms

Virtual serverServer from monitoring (to classify)

### Cloud

Cloud accounts and subscriptions

Cloud account / subscription

04**Compute platform**

### Virtualization platform

Clusters, datastores and virtual disks

Virtualisation clusterDatastoreVirtual disk (shared / RDM)

### IBM Power

Power servers, HMC, LPAR and VIOS

IBM Power SystemHMCLPAR (VIOS)

### Physical servers

x86 servers including hypervisors, and workstations

Physical serverWorkstationHypervisor host

05**Storage and network**

### Storage

Disk arrays, pools and volumes

Disk arrayStorage poolVolume / LUN

### SAN

Fabrics, switches, ports and zones

SAN fabricSAN switchSAN portSAN zone

### Network elements

Switches, routers, firewalls and load balancers

Network element

### Network configuration

VLANs, VRFs, IP subnets and network zones

Network segment / zoneVLANVRFIP subnet

### Interfaces and virtual network

Network interfaces, SEA, virtual switches and port groups

Virtual switchPort groupNetwork interfaceShared Ethernet Adapter (SEA)

### OT device

Control systems, PLC and RTU

OT device (control system, PLC, RTU)

## Relationships between categories

Relationship types between categories in the reference model. Impact is calculated along these relationships from infrastructure up to services.

From category

Relationship

To category

Network configuration

is routed through

Network elements

Physical servers

hosts

Virtual servers

Virtual servers

is connected to

Interfaces and virtual network

Virtual servers

uses storage

Virtualization platform

Applications

depends on

Database

Application platforms

runs on

Virtual servers

Storage

is mapped to

Physical servers

Applications

backs up

Virtual servers

IBM Power

is in zone

SAN

Applications

depends on

Application platforms

Storage

is mapped to

IBM Power

Database

runs on

Virtual servers

IBM Power

contains

SAN

IBM Power

depends on

Interfaces and virtual network

Network elements

contains

Interfaces and virtual network

Physical servers

is in zone

SAN

Interfaces and virtual network

is mapped to

Network configuration

Applications

backs up

Database

Application platforms

depends on

Network elements

IBM Power

is connected to

Network configuration

Physical servers

is connected to

Network elements

Physical servers

contains

SAN

Interfaces and virtual network

is connected to

Network configuration

Storage

contains

SAN

Application platforms

runs on

IBM Power

Virtualization platform

uses storage

Storage

Business services

depends on

Applications

Applications

backs up

IBM Power

Physical servers

is a member of

Interfaces and virtual network

Virtualization platform

contains

Physical servers

IBM Power

is connected to

Network elements

Containers

runs on

Virtual servers

Database

runs on

IBM Power

Storage

is connected to

Network elements

Application platforms

is deployed in

Containers

IBM Power

contains

Interfaces and virtual network

Interfaces and virtual network

is connected to

Network elements

SAN

is connected to

Network elements

Containers

uses storage

Storage

Business services

depends on

Virtualization platform

The process map and CMDB model are generated from the current state of the application · updated 30 October 2026