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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vSphere 6.5 p01 – Important patch for users of Automated UNMAP

VMware has just announced the release of vSphere 6.5 p01 (Patch ESXi-6.5.0-20170304001-standard). While there are a number of different issues addressed in the patch, there is [...]

2-node vSAN topologies review

There has been a lot of discussion in the past around supported topologies for 2-node vSAN, specifically around where we can host the witness. Now my good pal Duncan has [...]

A closer look at Runecast

Last week, I had the pleasure of catching up with a new startup called Runecast. These guys are doing something that is very close to my heart. As systems become more and more [...]

Photon Platform v1.1 /Photon Controller v1.1.1 is now GA

I spotted this announcement late on Friday afternoon (March 2nd). What is significant about this announcement is that this is the first ever Photon Platform/Controller release [...]

Getting More Out of vSAN – Webcast Series coming to EMEA

Earlier this year, our colleagues in the US kicked off the "Getting More Out of vSAN" webcast series. We are pleased to be able to replicate this initiative in EMEA. We now [...]

vSphere 6.0 Update 3 – Important Update for vSAN

ESXi 6.0 Update 3 is now available. This update is significant for vSAN customers as there are a number of performance related issues addressed. The KB article detailing vSAN [...]

Kubernetes on vSphere with kubernetes-anywhere

I already described how you can get started with Kubernetes natively on vSphere using the kube-up/kube-down mechanism. This was pretty straight-forward, but not ideal as it [...]