Archive for December, 2009

DBJ: DRBD Makes Excellent Low-cost HA Soln for MySQL

With all the trouble keeping MySQLs built-in replication running, some folks are looking for alternatives.  DRBD provides a distributed block level device, which can provide the sort of database mirroring we need, below the filesystem.  That makes it transparent to MySQL, but nevertheless a great complimentary solution.  In this article we’ll discuss the pros and cons, and then part two will take you step by step through a basic setup.

Read the article on Database Journal – DRBD and MySQL – Excellent Low-cost HA Solution

Open Insights 62 – Context

In our last newsletter of the decade we discuss the importance of context.  Whether it is in user interface design such as priorities in the iphone and feature development, or the numbering of apartments in a new building complex, the perspective or context within which designers, architects and engineers see things, is often quite different from the day-t0-day experiences of so-called end-users.  Stepping into their shoes, and being able to see things from their perspective, ie your customers perspective, is an ever present challenge in business.

Newsletter Issue 62 – Context