Everybody in IT knows by now that flash memory is redefining the enterprise storage industry, mostly by decoupling performance from capacity. Most storage vendors are happy to just add flash to their existing product lines, often using it as cache, or as a storage tier handled transparently within the array. Few vendors take the opportunity to rethink the way storage works, though, from the basics of performance to how it meshes with the idea of public & private clouds. Coho Data, coming out of stealth mode with their first product, the DataStream, does just that. Continue reading Coho Data DataStream
In Applications Performance Equals Response Time, not Resource Utilization, we took the position that while for the majority of the applications deployed on physical hardware the general practice was to infer their performance by looking at normal vs. abnormal resource utilization statistics, once you virtualize an application, it becomes necessary to directly measure its response time in order to ensure adequate service to business constituents and end users. Continue reading Virtualization Performance Management – Linking Response Time, Load and Chargeback
In a comment thread, from the article Multiple Hybrid Clouds Kludged Together? — Cloud Architecture, an insight was raised.
“… companies are not managing their software proactively to ensure they are staying in budget.” — Cary King.
This raised a few hairs on the back of my head, as I, Edward Haletky (Texiwill), recently went shopping for cloud services and some of the prices were outrageous to say the least for just a basic VM, if I suddenly needed more VMs the numbers would add up quickly to something outside of the budget. On top of that, there is the utilization charge back for cloud services. This particular Cloud Provider could not tell me what the rules for such charge backs. In a private or hybrid cloud, licensing costs for software and operating systems could eat through any budget in next to no time. Add in utilization charge back and budgets may be crushed under the weight of all these new charges. Continue reading ITaaS: Managing Software Costs within Hybrid Clouds