Most IT professionals are used to talking about uptime, downtime, and system failure. But not everyone is entirely clear on the definition of the terms widely used in the industry. What exactly differentiates “mean time to failure” from “mean time between failures”? And how does “mean time to repair” play into it? Let's get some definitions straight! Definition of a Failure I … [Read more...] about Defining Failure: What Is MTTR, MTTF, and MTBF?
I've been talking about storage capacity utilization for my entire career, but the storage industry doesn't seem to be getting anywhere. Every year or so, a new study is performed showing that half of storage capacity in the data center is unused. And every time there is a predictable (and poorly thought through) "networked storage is a waste of time" response. The good news … [Read more...] about Storage Utilization Remains at 2001 Levels: Low!