Too often in the past , High Availability and Disaster Recovery have been marketed as expensive choices for businesses with deep pockets. The truth is that, with careful planning, there are sensible and economic solutions for small businesses that can maintain business continuity when disaster strikes.… Read more
High Availability (HA) and Disaster Recovery (DR) can be provided for subscription databases from an AlwaysOn Avaliability Group, but the secondary replicas will need to be manually configured to create the new subscriptions… Read more
Having pierced the veil of confusion surrounding High Availability, Wesley David finds himself asked (and being asked) whether HA is worth the money it burns through. Perhaps it's more cost-effective to have a recovery process that moves like greased lightning?… Read more
Wesley has heard High Availablity touted as all sorts of technological cure-all for busy SysAdmins and DBAs, and now he's taking a stand against it. There are a range of things that High Availability is regularly confused with (either deliberately or innocently), and Wesley's clearing it all up.… Read more
If you're using Exchange 2010, then you're probably interested in using the new Database Availability Group feature for your High Availability needs. The DAG is superbly powerful technology, but you'd better make sure yours is 100% correctly configured. Neil Hobson walks us through what we need to know, using a two-node DAG as an example.… Read more
In April 2009 Microsoft released a public beta of Exchange 2010, the latest and greatest version of a part of its unified communications family of products. Recently in August 2009, a feature complete Release Candidate version was released for public download. In this article Neil Hobson takes a look at some of the high availability features of Exchange 2010.… Read more
Neil Hobson writes about the ways that MS Exchange 2007 can ensure that your organisations messaging remains available. He looks at the way that the Mailbox Server role can be made more available using features as Single Copy Clusters, Local Continuous Replication, and Clustered Continuous Replication. He also discusses ways of improving the resilience of the other server roles.… Read more
