Last week, I considered the implications for multi data center redundancy on your applications. This post will look at considerations for the sysadmin – network and server level failover, plus [...]

A few months ago we finished a long running multi data center redundancy project to allow our server monitoring service, Server Density, to survive the complete failure of our primary [...]

Following our migration to SoftLayer and their release of global IPs, we started to implement our multi-datacenter plan by replacing dedicated (static IP) load balancers with Pound and a global IP. [...]

Once you have more than a few servers and applications running, handling all those logs is going to become a problem. Not in the sense of managing rotation – syslog [...]

Every Friday we have a short full company meeting where we run through what we’ve been working on and what was deployed, then discuss customer feedback and the roadmap for [...]

Reading through the Azure cloud outage root cause analysis from the other week made me think about the problem they encountered, what was needed to fix it and the timeline [...]

When the Qantas A380 suffered engine failure after taking off from Singapore in November last year, many things went wrong at the same time: The failure of the giant Rolls-Royce [...]

Back in April we ditched RabbitMQ in favour of building our own simple queuing system using MongoDB. This has been in production since then and has been working very well. [...]

When we first started with our server monitoring tool, Server Density, we had a single slice at Slicehost. Those were simple times – if it or any service running on [...]

Last night we got almost 10k unique visitors in just a few hours because of a post disputing a minor point of a post I wrote in July 2009. The [...]