Core Concepts
Before diving into Rackula, it helps to understand the fundamental concepts of server rack layouts. This section covers the terminology, standards, and best practices used throughout the application.
Key concepts
Section titled “Key concepts”Rack Units (U)The standard unit of measurement for rack equipment.
Rack TypesDifferent rack form factors and when to use them.
Device CategoriesHow equipment is classified and organised.
Quick reference
Section titled “Quick reference”Common rack sizes
Section titled “Common rack sizes”| Size | Height | Typical use |
|---|---|---|
| 42U | 73.5“ (1.87m) | Data centre standard |
| 25U | 43.75“ (1.11m) | Half-height rack |
| 12U | 21“ (53cm) | Wall-mount |
| 6U | 10.5“ (27cm) | Desktop/small |
Device category colours
Section titled “Device category colours”Rackula uses consistent colours to identify device types:
| Category | Colour | Examples |
|---|---|---|
| Server | Cyan | Compute nodes, hypervisors |
| Network | Purple | Switches, routers, firewalls |
| Storage | Green | NAS, SAN, disk shelves |
| Power | Red | PDU, UPS |
| KVM | Orange | Console servers |
| AV/Media | Pink | Media servers |
| Cooling | Yellow | Fans, AC units |
Related guides
Section titled “Related guides”- First Rack Walkthrough — Apply these concepts
- Device Management — Work with device categories
- Rack Configuration — Configure rack types