Thoughts on high availability
With all the news and buzz around vSphere it’s easy to get carried away by all the new stuff appearing. But even with all these new features we still need to think about High Availability and how to design the infrastructure. Everytime we design a…
Database size calculation sheets
Last week a collegue asked how big the initial database for VirtualCenter should be and how much it grows. He also needed to know much diskspace he needed to reserve for the database. Since we have to do this more often I thought it would…
Virtualisation: it isn’t an app, it’s an infrastructure
Now most of our loyal followers know, I usually do not post any content on this blog other than things related to the hosting of website. It’s my “job” to keep this part of the infrastructure running (well, that’s not quite how it is, but…
Don’t enable root access for SSH
I came across some scripts to run on your ESX server after it has been installed. These script did some stuff like disabling firewall and enabling root logon from a remote system. Although it looks like it makes your life easier now you can logon…
Tip: Create an ISO store, no matter what
In one of our previous projects we suggested a LUN to use for ISO’s. The client said: ‘Well, we don’t need one, we have all our software on network shares and operating systems are deployed by the means of an unattended install with boot from…