Replication in large networks

Replication is used in large networks where multiple ERA Servers are installed (e.g., a company with several branches). For more information, see chapter Installation.

The options in the Replication tab (Tools > Server Options...) are divided into two sections:

Replication “to“ settings

Replication “from“ settings

The Replication ”to“ settings section is used to configure lower ERA Servers. The Enable “to” replication option must be enabled and the IP address or name of the master ERAS (Upper server) entered. Data from the lower server is then replicated to the master server. The Replication ”from“ settings allow master (upper) ERA Servers to accept data from lower ERA Servers, or to transfer them to their master servers. The Enable “from“ replication must be enabled and names of lower servers should be defined (delimited by a comma).

Both of these options must be enabled for ERA Servers located anywhere in the middle of the replication hierarchy (i.e., they have both upper and lower servers).

All of the previously mentioned scenarios are visible in the figure below. The beige computers represent individual ERA Servers. Each ERAS is represented by its name (which should be the same as %Computer Name% to avoid confusion) and the corresponding settings in the replication dialog window.
 

schema04

Other options that influence the replication behavior of servers include:

Replicate threat log, Replicate firewall log, Replicate event log, Replicate scan log, Replicate mobile log, Replicate quarantine log
If these options are selected, all information displayed on the Clients, Threat Log, Firewall Log, Event Log, Scan Log, Mobile Log, Quarantine Log and Tasks tab is replicated in individual columns and lines. Information not stored directly in the database, but in individual files (i.e., .txt or.xml format), may not be replicated. Enable these options to also replicate entries in those files.

Automatically replicate threat log details, Automatically replicate scan log details, Automatically replicate client details, Automatically replicate mobile log details, Automatically replicate quarantine files
These options enable automatic replication of the complementary information stored in individual files. They can also be downloaded on demand by clicking the Request button).

NOTE: Some logs are automatically replicated, while detailed logs and client configuration logs are only replicated on demand. This is because some logs contain large amounts of data that may not be relevant. For example, a scan log with the Log all files option enabled will consume a significant amount of disk space. Such information is usually not necessary and can be requested manually. Child servers do not automatically submit information about deleted clients. Therefore upper severs may continue to store information about deleted clients from lower servers. If you want to delete a client from the Client tab on upper servers, select the Enable deletion of replicated clients option on the underlying server located in Server Options > Advanced > Edit Advanced Settings > Setup > Replication.

To set the log maintenance level in ERAS, click Tools > Server Options > Advanced > Edit Advanced Settings… > Setup > Server Maintenance.

If you want to only replicate clients with a status change, select the Tools > Server Options > Replication > Mark all clients for replication by “Replicate Up Now” option.