In the last three virtualization and cloud security podcasts, Mike Foley, Sr Technical Marketing Architect for vSphere Security, mentioned security disaster recovery plans. There is a growing need for such plans. The 174th podcast covered this need, as well as the why and the how of putting such plans together. Unlike traditional disaster recovery, security disaster recovery is just what it sounds like, recovering from a disastrous security event. How would your organization respond to such an event? Is it about incident response? It is more than this. While you listen to the podcast, consider these thoughts.
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What do you know about Asigra? What if I told you there is a good chance that you have used its products but never knew it? During VMworld 2014 in San Francisco, I had the opportunity to sit in on a briefing from Asigra at the Tech Field Day Extra event. I had heard of Asigra before but could not have told you much about the company or its product offerings before this briefing. Asigra is a company that specializes in backup and recovery, and it has been doing so for over a quarter century.
Is the backup licensing model about to change? While I was at VMworld in San Francisco, I took notice of all the different Recovery-as-a-Service (RaaS) options that are available, and I believe this service has reached its maturity. The number of options and services available seems to have taken a solid leap forward in the last few years. Most of the companies follow the same type of licensing model, in that the software is licensed by the number of agents that are deployed in the environment, the number of hosts, or the amount of data being backed up. Most of the companies, except for one particular company I talked to, followed this model.
I saw a question get posted on twitter that kind of intrigues me a little. The question was pretty straight forward. “How many virtual machines should I be able to run on a host?” That is really a fair question in itself but what I find intriguing is that this is the first question he asks. Is this really the first thing administrators think to ask when designing their environment? After all there is no set formula on how many virtual machines you can run on a host. You can be a little more exact when working with VDI because for the most part all the virtual machines would be set up pretty much the same way and the numbers can be a little more predictable. That would not be the case when working with server virtualization. You are going to have servers all with different configurations and amount of resources provisioned to the virtual machines. This variation is what will change your slot count and the amount of virtual machines you can run on the host.