This blog covers two of the new features added in 5.0 in detail.

The decision to release Failover Manager 5.0 instead of 4.11 was driven by semantics: there have been several improvements that are not backwards compatible with the 4.x versions of Failover Manager.

In the default mode of operation, EDB Postgres Failover Manager (EFM) agents run as the ‘efm’ operating system user. The agent uses sudo to perform various operating system and database tasks. More information about how sudo is used is in the Extending Failover Manager Permissions section of the user’s guide. Starting with version 3.0, EFM can now be run without sudo (or a sudo replacement). This...

A cornerstone for ensuring ongoing data access during scheduled downtime or unexpected failures is a high availability design. The EDB Postgres ™ Failover Manager is a high availability solution that monitors the health of streaming replication clusters and detects failures, and, if activated, automatically triggers a failover to minimize downtime. EDB Postgres Failover Manager, which is included...

We've posted two new videos about installing EDB Failover Manager and starting a new EFM cluster. The first video shows the installation and setup of EFM.

EDB Failover Manager 2.0, released in June, included several changes from 1.X. The user's guide contains information on upgrading and a full description of the properties. This blog gives a little more detail about just some of the new features. New 'efm' command The service interface now contains only the standard commands, such as start, stop, and status. Ditto for systemctl on RHEL 7. For...

I finally have a chance to look at Vaadin version 7 now, which is already up to v7.0.6 (nice work team!). There is a wealth of information from Vaadin about the changes and migration path, but I'm skipping all that and jumping right to examples as an experiment. Thus, my first blog ever about a book. I haven't always liked "cookbook" style technical books ("Python Cookbook" is a great one), but I...