Hardware Requirements
The hardware requirements for your High Availability Add-on (HAA) are different between development and production environments.
Development Environments
Item
Minimum Requirements
Recommended
HAA Nodes
1
2+
RAM
4 GB
8 GB
Storage
10 GB
20 GB
While one node is sufficient for a development environment, two or more are recommended in order to utilize the clustering features likely needed for your production environment.
Production Environments
Item
Minimum Requirements
Recommended
HAA Nodes
3
3+
Cores per Node
4
8+
RAM
15 GB
30+ GB
Storage
75 GB
150+ GB
Network
1 G
10+ G
Note: Always maintain an odd number of nodes. This is required to obtain a quorum needed in failure and failover scenarios.
Software Requirements
Important!
HAA only supports 64-bit operating systems and must be installed on a clean host with no other applications.
Platform
Supported Versions
Ubuntu
- 14.04
- 16.04
- 18.04
RHEL/CentOS 6
- 6.7 - 6.9 (Requires at least Minimal Install configuration)
RHEL/CentOS 7
- 7.0 - 7.6 (Requires at least Minimal Install configuration)
Oracle Linux
- 6.7 - 6.9
- 7.0 - 7.5
Amazon Linux
- All 64-bit Versions
Updated about a month ago