Application high availability (HA) is the elimination of single points of failure in an IT infrastructure to protect applications from unplanned downtime – delivering at least 99.99% annual uptime. Gain a clear understanding of the fundamental concepts of HA and DR here:
Key words associated with application protection
Disaster Recovery Fundamentals – How to protect applications from local, regional, and sitewide disasters
Understand the anatomy of a cluster and key considerations for choosing a clustering software.
What does High Availability protection really mean?
How does efficient replication enable SANless clustering?
Learn how shared storage and shared-nothing (SANless) clusters work?
- How Workloads Should be Distributed when Migrating to a Cloud Environment – Unlike on-premises environments, public cloud offerings give you a wide range of geographical regions availability zones to choose from when deploying your workloads. Learn best practices for choosing a workload distribution strategy for the cloud.
- Public Cloud Platforms and their Network Structure Differences – Public cloud providers have their own networking structures. Learn the basics of how these structures affect your cluster configuration.
- How a Client Connects to the Active Node – Learn the key clustering mechanisms that detect and manage the response to application failures.
- How does Data Replication between Nodes Work? – Ensuring redundancy of storage is essential. Learn how SIOS DataKeeper efficiently replicates data between nodes.
- What is “Split Brain” and How to Avoid It Learn how to ensure you maintain one active node and one or more standby node(s) even when the network connection fails.