Delving into Immutable Infrastructure

Before getting too far into the topic, let’s first take a quick look at the difference between mutability and immutability. Mutable Immutable Continually updated, patched, and tuned to meet the ongoing needs of the purpose it serves. State does not change or deviated once constructed. Any changes result in the deployment of a new version … Continue reading Delving into Immutable Infrastructure

Understanding Erasure Coding with Rubrik

It is imperative for any file system to be highly scalable, performant, and fault tolerant. Otherwise…why would you even bother to store data there? But realistically, achieving fault tolerance is done through data redundancy. On the flipside, the cost of redundancy is increased storage overhead. There are two possible encoding schemes for fault tolerance: triple … Continue reading Understanding Erasure Coding with Rubrik

vBrownBag – VCAP6-DCV Design Objective 2.2

vBrownBag EMEA is in the midst of recording sessions that cover the VCAP6-DCV Deploy (3V0-622) exam. If you are interested in presenting one of the exam objective, see the Call for Presenters post here. Objective 2.2 – Map Service Dependencies Skills and Abilities Evaluate dependencies for infrastructure and application services that will be included in a vSphere design. Create … Continue reading vBrownBag – VCAP6-DCV Design Objective 2.2