Of all the new features included in vSphere 6.5, the one that will be most useful to small and mid-sized vSphere deployments is vCenter High Availability (VCHA). I was working on VMware Education's ...

Exchange Server 2010 incorporates a number of high-availability features that system admins will find useful, including a new database availability groups (DAG) feature. Mailbox databases and the data ...

DBAs have many options for how to ensure high availability (HA) for SQL Server. Some of these options are available in the different versions and editions of SQL Server itself. Some are available in ...

Higher levels of availability have become all the rage. The days of service-level agreements (SLAs) with explicit definitions of RPO (recovery-point objectives) and RTO (recovery-time objectives) may ...

With the free Citrix XenServer virtualization platform, it's easy to create a highly available virtual server cluster; here's how High availability used to be expensive, requiring both specialized ...

The public cloud offers a myriad of options for providing high availability and disaster recovery protections for SQL Server database applications. Conversely, some of the options available in a ...

A high-availability stack serves one purpose: through a redundant setup of two or more nodes, ensure service availability and recover services automatically in case of a problem. Florian Haas explores ...

Mailbox databases and the data they contain are critical to any Exchange organization. To ensure high availability for mailbox databases, Exchange Server 2007 provided a variety of replication and ...