Limitations and System Requirements

Implementation of Synology High Availability requires two identical Synology servers to act as active and passive servers. Before the two servers are combined into a high-availability cluster, system will check for the following hardware and software limitations to ensure that a high-availability cluster can be created.

System Requirements

Please note the following guidelines regarding software and hardware:

Network Environment

Please note the following guidelines regarding network settings when attempting to form a high-availability cluster.

Note:

Package and Software Limitations

Please see the package and software related limitations below:

Specific Expansion Units

Both the active and passive servers must be connected to the specific expansion units. There are two modules on each expansion unit.

To setup/add expansion units:

Notes:

For detailed information regarding expansion unit installation, please remember to see the Quick Installation Guide for your servers and expansion units.