Archive for 'storage'

vSphere Storage: Features and Enhancements

If you are looking for a detailed explanation of the features and enhancements to the storage stacks in ESX 4 as well as the differences between storage in ESX 3.5 and 4.0, the following presentation has what you are looking for:
Vmug V Sphere Storage (Rev E)
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vSphere Storage: Features and Enhancements
This [...]

The Importance of SAN Maintenance

Note: This is a guest post provided to us by an extremely smart gentleman, with whom I’ve worked closely with in the past. At this time however, homeboy prefers to remain anonymous.

I get questions like this all the time:
"I’m trying to help educate my management on the importance of having the right microcode in place [...]

Safe and Natural VMFS Enlargement! – Extend or Grow VMFS and Why You Should Care

Now that I have you at attention, let us take this time to talk of things. Important things. The things your parents never told you about VMFS. First let us start with some definitions, each of these will be taken in the context of VMware Virtualization using ESX/vSphere, and VMFS, but you knew that, didn’t [...]

Holy sVmotion Fail Batman!

I thought I had covered failed sVmotion in a past post, or at least some of the symptoms. Alas, I can not find the post (either I fail at Google, or they fail at indexing my content… likely the first). During a recent sVmotion fail I came across a wonderful cleanup KB from vmware.com. From [...]

To extend or not to extend? That is the question.

Using extents gives you flexibility with your volumes and adding extents is a very simple and usually painless process. The ability to dynamically increase your total storage for a single VMFS volume is a feature we all love, but how many of us actually use it? Is it worth the risk?
Are you running extents for [...]

A Practical Guide to Virtual Disks as Used by VMware – Part 1 Intro

Time for a new series! Are you as excited and motivated as I am? In this series we’ll cover the Tops and Bottoms of VMware disk types. What are they, how do you make them, what are the benefits and drawbacks, and when would you use them. A lot to cover? Sure IS, but that [...]

What RAID level do you use for your VMFS?

Many of you will say “RAID 5, of course!” and for those of you that do I would like to ask why? Is it because you really understand the differences between the different RAID levels? Granted that you may but have you ever had to do a RAID rebuild of a RAID 5 volume? How [...]

End-to-End VMware Management With Tools From EMC

EMC ControlCenter is Storage Resource Management software that apparently integrates with the VC APIs and ESX CIM APIs to provide end to end insight into your Virtual Infrastructure.
From VirtualGeek