PerformanceTag Archive

How much does it cost to manage your data? In an early job, I was making a projection to purchase more disk to expand capacity on our Exchange mailbox servers. At the time, disk was relatively expensive, and the capacity that I had projected for 3 years would have also… Continue Reading Save Money – by buying more disk

It has finally happened – many years ago, when I worked at VMware, there were internal rumors of a rebootless upgrade being worked on since vSphere 5.0. And now, with the release of vSphere 6.7, you can upgrade the hypervisor without rebooting. What happens is the hypervisor will re-load, without… Continue Reading VMware rebootless upgrades are here!

I have learnt from my Cloud implementations that often customers hold expectations of Cloud that are not always completely effective. Based on my own experience from working with many customers, I have learnt that the following will need to be a focus; Cloud is potentially more secure than on-premises implementation. However, the… Continue Reading 6 Lessons from Cloud Implementations

A term that you may have heard used a few times may not make complete sense, so; What is Shadow IT? The term Shadow IT or Stealth IT is used to represent the implementation or usage of IT services that have not been officially created or deployed by the IT… Continue Reading Shadow IT / Stealth IT

VMware are often focussing on the latest and greatest features and capabilities offered by their newest software. Of course, they are always driving forward and the next version’s enhancements and benefits are forefront of their minds – but there are still some people out there who are just starting on… Continue Reading Benefits of VMware – the uneven cluster

Today I attended a Microsoft StorSimple 8000 series presentation at Microsoft’s offices here in Adelaide, South Australia. It’s a 2RU / 4RU device that provides primary storage through iSCSI, with inline block level automatic tiering, de-duplication and compression, where the final tier is Azure cloud storage. It incorporates volume-level snapshots “for… Continue Reading Microsoft StorSimple 8000 series review

If you’ve been in IT for a while, you may stick by the rule that with Windows, you should put your pagefile on it’s own disk. Originally, this was when computers had little RAM, and to optimise performance of the pagefile it was advised to use FAT instead of incurring… Continue Reading Put your pagefile on it’s own disk

Running release N minus 1? What about release N plus 45 days? Software update best practice should mean that patches and updates are tested, but not held back when it provides known fixes. It is common practice for risk-averse companies to not run the very latest release of software, instead… Continue Reading n-1 is dead, long live N+45

How long does it take you to boot up a server? I don’t just mean the time it takes to start Windows or Linux, I mean the time it takes the hardware to begin starting Windows. Next time you reboot a physical server, go and time it – you won’t… Continue Reading Hidden benefits of virtualisation – reboot time and the impact on server availability and regular operations

In my interaction with new and existing VMware customers, it strikes me how often people forget one of what I consider to be one of the best benefits of a VMware based clustered solution. It is often pleasant news for people planning or implementing a new VMware virtualisation solution to… Continue Reading Hidden benefits of VMware – pick and mix

If you build a cluster for a VMware virtualised infrastructure, you can use almost any compute resource that you have available. Do you want to mix a Dell R710 dual CPU host with 32 GB of RAM with an IBM BladeCenter Hx5 with a single CPU and 96GB – sure,… Continue Reading SDDC drives mix and match hardware