At 07:35 PM 15/02/2011, karolbieniaszewski wrote:

>This software
>control devices and collects information about the overall activity but not only.
>Data is a lot - because it is a lot of equipment.
>Each message from the device must be kept on a coming update of its respective states in the database and generates messages to other devices or the users themselves.

Have you considered a dedicated two-way replication system to solve this? Two servers, taking turns in being replicator/replicant, on either a scheduled or ad hoc basis?

./heLen