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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vCloud Director 5.1 & Storage Profiles

In my 10 part series of posts on the new vSphere 5.1 Storage Features, I called out in part 3 that there was now even greater interoperability between features like Profile [...]

VSA Cluster Service Considerations

Some changes have been made to the vSphere Storage Appliance (VSA) Cluster Service in version 5.1. Previously, the VSA Cluster Service was installed on the vCenter Server - [...]

Boot from Software FCoE – Detailed

For those of you who have been following my new vSphere 5.1 storage features series of blog posts, in part 5 I called out that we have a new Boot from Software FCoE feature. [...]

Heads Up! VSA 5.1 Upgrade Issues

For those of you who are already using VSA 1.0, and are considering an upgrade to VSA 5.1, the following information will be of interest to you. [...]

The requested operation will exceed the VDC’s storage quota

vSphere 5.1 introduced a number of vCloud Director (vCD) interoperability features from a storage perspective, namely ability to take VM snapshots from within the vCD UI, [...]

Nimbus Data’s new Gemini Array & vSphere Integration

At VMworld 2012 in San Francisco, I had the pleasure of catching up with Scott Kline, Karthik Pinnamaneni & the rest of the team from Nimbus Data. In the weeks leading up [...]

Do RDMs still rely on LUN ID?

I had an interesting question the other day about whether Raw Device Mappings (aka RDMs) still had a reliance on the LUN ID, especially when it comes to the vMotion of Virtual [...]