VMware VVol Part 6: The mythical Protocol Endpoint

The VVol Blog Series: Part 1: Introduction Part 2: With and Without VVols Part 3: New Storage Constructs Part 4: How are VVols instantiated Part 5: Storage Containers & Capability Profiles Part 6: The Mythical Protocol Endpoint Last time we looked at Storage Containers, Capability Profiles and storage policy-based data placement (based on matching of rules). This time I want to delve deeper into the Protocol Endpoint (PE), a mystical object Read More …

VMware VVol Series: Part 3 Implementation Considerations and availability

The whole area of VVols will require quite a bit of consideration and people are wondering how it is implemented i.e. what does that really look like. In the latest post in this three-part series my colleague Paul Morrissey discusses a little bit more regarding what the deployment looks like as well as support for HDS products. This is in the form of FAQ that have arisen both internally and externally. The Read More …

vSphere Storage Interoperability Series Part 2: Storage I/O Control (SIOC) 1 of 2

Disclaimer: I work for Hitachi Data Systems. However this post is not officially sanctioned by or speaks on behalf of my company. These thoughts are my own based on my experience. Use at your own discretion. This is the second part of my storage interoperability series designed to bring it all together. Here are the other parts: Part 1: vSphere Storage Interoperability: Introduction This started from a desire I had to be Read More …

vSphere Storage Interoperability: Part 1 Introduction

  Disclaimer: I work for Hitachi Data Systems. However this post is not officially sanctioned by or speaks on behalf of my company. These thoughts are my own based on my experience. Use at your own discretion. VMware vSphere has many features within its storage stack that enhance the operation of a virtual datacenter. When used correctly these can lead to optimal performance for tenants of the virtual environment. When used Read More …

VMware Metro Storage Cluster Explained – Part 2: The Potential Solution

Recap In my last article, I discussed a typical dual-site scenario where storage replication is used to synchronously mirror a volume or LUN object between data centers. The goal is to mitigate the risk of Data Center failure. While it does that in some ways by creating multiple copies of data, the failover process is complex, depending on the scenario. Data can become corrupt, and systems can become isolated. There Read More …

VMware Metro Storage Cluster Explained – Part 1: The Challenge

First and foremost, vMSC stands for vSphere Metro Storage Cluster, that is, a vSphere HA/DRS cluster stretched over distance. After attending Duncan Epping & Lee Dilworths presentation at VMworld 2013 on vSphere Metro Storage Clusters (Session BCO4872), it got me thinking about writing this article. The use case for vMSC is pretty clear….to provide VM mobility and resilience across Data Centers. As a storage practitioner for 12 years, one of Read More …