This article describes expected behavior on a Neverfail Heartbeat server pair when calculating the expected work load to be performed on a file system.
Neverfail Heartbeat analyzes the data to be replicated prior to replication. Every file and folder needs to be analyzed and the info obtained is stored locally in a temporary file.
Neverfail Heartbeat installation prerequisites state that a system must have at least 1 GB of free space on the install partition. This is normally sufficient for a typical Neverfail Heartbeat installation.
If the environment Neverfail Heartbeat has been installed to have a file system with a large number of files and folders, the generated temporary file can reach a large size and in some cases could grow larger than 1 GB. Typically a folder path that exceeds 200 characters would fall into this category. In this case Neverfail recommends having more than 1 GB of free space on the partition Neverfail Heartbeat has been installed.