by Dean | Jun 26, 2014 | Crazy Idea, General IT, IT, Linux, SAAS (Software as a Service), Tutorial, Virtualisation
In the final part to this series of posts, I would like to outline a few of the issues that I encountered when setting up DRBD. Split Brain With a two node cluster, this is probably the biggest issue that arises. Split brain is when the communication between the hosts...
by Dean | Jun 18, 2014 | Crazy Idea, Disaster Recovery, General IT, IT, Linux, monitoring, SAAS (Software as a Service), Tutorial, Virtualisation
Now that all the heavy lifting part of this is done. I wanted to write down a few little tips and points to do with this. Over all I couldn’t be happier with the way it works and how well it handles what I have thrown at it. But like with all IT (and especially...
by Dean | Jun 12, 2014 | Crazy Idea, Disaster Recovery, General IT, IT, Linux, Misc, SAAS (Software as a Service), Virtualisation
Now that we have two machines that are identical (With the exception of IP and host name.) The next step is to download, install and configure DRBD. To achieve this I used a few posts and combined them into the setup that I wanted to setup. Some of the posts include...
by Dean | Jun 4, 2014 | Crazy Idea, Disaster Recovery, General IT, IT, Linux, Misc, SAAS (Software as a Service), Tutorial, Virtualisation
At first I thought this was going to be a fairly easy and straight forward setup. I figured it would be install FreeNAS or Ubuntu and bam we will be away. What has ended up happening was a configuration of DRBD, Heatbeat and other HA utilities to get it up and running...
by Dean | May 25, 2014 | Crazy Idea, Error, General IT, IT, Misc, MySQL, PHP, Programming, Webtech
As we saw in part 1, I was experiencing timeouts on scripts that sent a large number of legitimate messages out from php mailer. This appeared to be related to the web hosting company throttling the email rate. To still be able to send these messages out a setup was...
by Dean | May 22, 2014 | Common Sense, Crazy Idea, Error, General IT, IT, MySQL, PHP, Programming, SAAS (Software as a Service), Tutorial, Webtech
For the web applications I build a lot of them want to sent out an email to their users for many different reasons. (All these reasons are legitimate, for example sending our a link to allow the users to login, reminders about upcoming classes etc) This can generate a...