Sizing for large VMDKs on vSAN

I've recently been involved in some design and sizing for very large VMDKs on vSAN. There are a couple of things to keep in mind when doing this, not just the overhead when deciding to go with RAID1, RAID5 or RAID6, but also what this means for component counts. In the following post, I have done a few tests with some rather large RAID-5 and RAID-6 VMDKs, [...]

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Heads Up! Fibre Channel & vSphere 5.1 Web Client Users

A quick kudos to my colleague William Lam (@lamw) for bringing this to my attention. There is an issue in the new vSphere 5.1 web client when it comes to displaying Fibre [...]

Violin Memory & 1 Million IOPs from a single VM

Another Flash Array vendor that I wanted to meet with at this years VMworld in San Francisco was Violin Memory. For those of you who have been following the keynotes at [...]

Tintri adds new VM-aware features and VAAI Support

During VMworld 2012 in San Francisco, I had a chance to catch up once again with the team from Tintri. My first introduction to Tintri was at last year's VMworld, where they [...]

Pure Storage adds vCenter Web Client Plugin, VAAI, iSCSI & more to new release

Pure Storage are an all-flash enterprise storage company. I first met these guys at VMworld 2011 and was quite impressed by their product. Like many Flash Array vendors at the [...]

vSphere 5.1 Storage Enhancements – Part 10: 5 Node MSCS Support

This is not really a storage feature per-se, but I am including it in this series of vSphere 5.1 storage enhancements simply because most of the work to support this 5 node [...]

vSphere 5.1 Storage Enhancements – Part 9: Storage DRS

This post will look at Storage DRS enhancements in vSphere 5.1. [...]

Heads Up! vSphere 5.1 & EMC Storage

In this post, I want to call out two important matters related to the vSphere 5.1 release & EMC storage. The first is related to Round Robin Path Policy changes, and the [...]