Here’s an interesting article about the performance overhead or ‘virtualisation tax’ as it is is so called of running a hypervisor.
In my opinion for most server workload types a 15%-20% overhead is more than acceptable when considering all the other benefits VMware brings with it.
VMotion, DRS, HA, speedy creation of new servers, simple and speedy [...]
Firstly, let me start by saying that not everyone is going to want to ‘tweak’ with the bowels of RDP, but if you are so inclined then check out this article.
I stumbled upon it when wondering how I could get people to stop simply disconnecting sessions and logging off properly.
A few times over the years VMDK files have been ‘lost’ when a customer has had to shutown their storage in a less than graceful fashion.
In every case so far, touch wood, it is only the desciptor files that have been deleted so the raw data is still present in the *-flat.vmdk file.
It is actually [...]
VMware’s 2.1 release of VDM brought with it the option to ‘Allow blocking of incoming RDP connections that are not from VDM Clients’.
This is great, but what if you want to administer the Virtual Machines using RDP?
I know I’m a little bit slow on the uptake on this, but I’ve only just got round to implementing the recommendations from vinf.net after reading the blog post ages ago.
Not being able to run ESX 3.5 in a VM was a big blow for me as I do a lot of test and development [...]
IBM’s SVC has been around for a good few years now and it is by all accounts quite popular. It does a great job of aggregating lots of disparate storage (IBM and Non-IBM) and presenting through a more scalable and manageable interface.
Well SVC has had a make-over with the release of 4.3 and some [...]
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