Asynchronous replication technology is the latest approach to providing fault tolerance for server and network storage. Unlike the replication technologies that preceded it, asynchronous technology ...

In a world that appears to be governed by Murphy's Laws, anything can go wrong. Accidents ranging from machine crashes, media failures, operator errors and random data corruption to such catastrophes ...

For the Galera cluster to perform well, we need to watch several factors, including CPU, memory, and disk I/O. It’s unwise to make backups during a busy day since physical backups can overload nodes, ...

Synchronous vs asynchronous replication: How do they differ with regard to the order of events during data writes? When comparing synchronous vs asynchronous replication, let’s take a scenario where a ...

Backups, snapshots, cloning and replication are all valuable ways of protecting the organisation’s data. In this article, we’ll look at replication, in particular between storage arrays. Key to this ...

I'm planning on setting up a test iSCSI export on my NAS which will be used by a KVM virtualisation host to store all guest volumes and data. My NAS box is a self-build running CentOS and this is ...