How many hosts are needed to implement SFTT in vSAN Stretched Cluster?

Many of you who are well versed in vSAN will realize that we released a Secondary Failures To Tolerate (SFTT) feature with vSAN 6.6. This meant that not only could we tolerate failures across sites, but that we could also add another layer of redundancy to each copy of the data maintained at each of the data sites. Of course the cross site replication (now [...]

Read more

NFS Best Practices – Part 2: Advanced Settings

Following on from part 1 of the NFS Best Practices, part 2 is going to look at tuning from a vSphere perspective. As mentioned, our objective is to update the NFS Best [...]

NFS Best Practices – Part 1: Networking

There is a project currently underway here at VMware to update the current Best Practices for running VMware vSphere on Network Attached Storage. The current paper is a number [...]

WHIPTAIL Announce 4.1.1 Update

Last week, I presented at the UK National VMUG. I took the opportunity to catch up with Darren Williams (Technical Director, EMEA & APAC) of WHIPTAIL who was also [...]

vSphere 5.1 SSD Monitoring reporting N/A for certain fields

One of the new features of vSphere 5.1 was the SSD monitoring and I/O Device Management features which I discussed in this post. I was doing some further testing on this [...]

VAAI Comparison – Block versus NAS

I get a lot of questions around how the vSphere APIs for Array Integration (VAAI) primitives compare from a protocol perspective. For instance, a common question is to [...]

Heads Up! VSA Manager 5.1.x – Install Error 2896: Executing action failed

I was asked recently to provide some assistance with a VSA installation problem. The issue which this person experienced is described in the release notes for VSA 5.1.1 [...]

vCenter Operations Manager – Caught out by new Solution Licensing step

In a few recent posts, I've been looking at performance counters in vSphere 5.1. One of my colleagues, Hugo Strydom, reached out to me about doing a vCenter Operations (vCOps) [...]