vSAN 7.0U1 – Object Format Health Warning after…

vSAN 7.0U1 – Object Format Health Warning after Disk Format v13 Upgrade

vSAN 7.0U1 – Object Format Health Warning after…

This is something I noticed on my own lab after applying the most recent disk format (version 13) to my vSAN 7.0U1 environment. I already described the new Capacity Management features in vSAN 7.0U1 in a previous post. One of these features in the new capacity reserve which dramatically lowers […]


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Introduction to vSAN Data Persistence Platform…

Introduction to vSAN Data Persistence Platform (DPp)

Introduction to vSAN Data Persistence Platform…

Introduction to vSAN Data Persistent Platform Applications are changing and the consumption of applications is changing, too. We have recognized this shift here at VMware, as evidenced by our Tanzu suite of products. Modern apps, in particular, those built to run on Kubernetes are designed to […]


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Stripe Width Improvements in vSAN 7 U1

Stripe Width Improvements in vSAN 7 U1

Stripe Width Improvements in vSAN 7 U1

Among the long list of enhancements introduced with vSAN 7 U1 is a subtle but important improvement to one of vSAN’s optional storage policy rules that changes how data is placed. Since data placement concepts can become complex, this post will use simple examples to describe the change and will not cover all cases. Let’s The post Stripe Width Improvements in vSAN 7 U1 appeared first on Virtual Blocks.


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What if the disk controller driver included in…

What if the disk controller driver included in my vendor’s ESXi image is not on …

What if the disk controller driver included in…

Sometimes unfortunately there are situations where a vendor’s ESXi image includes a disk controller driver that is not on the vSAN HCL/VCG (VMware Compatibility Guide). Typically it is a new version of the driver which is supported for vSphere, but not yet for vSAN. In that situation, what […]


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Top Tips for Moving Data to vSAN! (Part 2) –…

Top Tips for Moving Data to vSAN! (Part 2) – vMotion Options

Top Tips for Moving Data to vSAN! (Part 2) –…

This is a continuation of a series on top tips for migrating workloads to VMware vSAN™. Several different tools and methods can be used to migrate a workload. It’s important to understand the different options and benefits of each approach. This blog focuses on some of the different ways to use vMotion to speed up The post Top Tips for Moving Data to vSAN! (Part 2) – vMotion Options appeared first on Virtual Blocks.


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Is a crossover cable needed for vSAN 2-Node…

Is a crossover cable needed for vSAN 2-Node Direct Connect?

Is a crossover cable needed for vSAN 2-Node…

I had this question last week around vSAN 2-node direct connect and whether using a crossover cable is still required to be used or if a regular CAT6 cable (CAT 5E works as well) can be used. I knew the answer and figured this would be documented somewhere, but it doesn’t appear to be. […]


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vSAN 7 Troubleshooting Tools | MysticMarvin

vSAN 7 Troubleshooting Tools | MysticMarvin

vSAN 7 Troubleshooting Tools | MysticMarvin

The primary configuration & management point for vSAN is the vCenter client. But sometimes, troubleshooting has to dive deeper so additional tools are needed, how lucky we are, vSAN comes with its own. For this last post of 2020, let’s have a look at vSAN 7 Troubleshooting Tools and how to use it.


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Why a NAND based SSD may not be the right…

Why a NAND based SSD may not be the right choice for vSAN cache Tier

Why a NAND based SSD may not be the right…

As we all know storage media has evolved very quickly over the past few years, the decline of the spinning disk and the move to flash based storage devices, but also the shift from SAS/SATA protocol based drives to NVMe protocol based drives in order to address the performance limitations of […]


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VMware cements HCI lead – and maybe at…

VMware cements HCI lead – and maybe at Nutanix’s expense

VMware cements HCI lead – and maybe at…

Once again, VMware and Nutanix dominate the IDC quarterly revenue tracker for HCI systems by software owner. But their numbers diverge in the 2020 third quarter tallies, with VMware gaining revenues and share in a flat market and Nutanix falling on both counts. This is the third quarter in […]


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VMware vSAN Powered HCI Systems Lead the Market…

VMware vSAN Powered HCI Systems Lead the Market in Q3 2020, According to IDC

VMware vSAN Powered HCI Systems Lead the Market…

Once again, VMware vSAN powered HCI Systems lead the overall market for the third quarter of 2020, according to the IDC Worldwide Converged Systems Tracker. The tracker reports that systems running VMware HCI accounted for 40.2% share of the market, near a record high market share. […]


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PCIe Switch and SAS Expander support for VMware…

PCIe Switch and SAS Expander support for VMware vSAN

PCIe Switch and SAS Expander support for VMware…

I’ve received several questions from customers about using PCIe switches for vSAN. I would like to provide some clarity as well as also bring up the close compatriot of the internal PCIe switch, the SAS expander. What do I mean when I say PCIe switch? I’m referring to adapters such as Lenovo’s […]


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Performance-Focused VDI on vSAN

Performance-Focused VDI on vSAN

Performance-Focused VDI on vSAN

Virtual Desktop Infrastructures (VDI) and virtual application delivery continue to gain momentum throughout this year. An ever-growing demand to support remote workers, security compliance and improvements in hardware technology have resulted in VDI being a practical option for the demands of […]


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VMs which are not stretched in a stretched…

VMs which are not stretched in a stretched cluster, which policy to use?

VMs which are not stretched in a stretched…

I’ve seen this question popping up regularly. Which policy setting (“site disaster tolerance” and “failures to tolerate”) should I use when I do not want to stretch my VMs? Well, that is actually pretty straight forward, in my opinion, you really only have two options you should ever use: None […]


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Sharing my vSAN 7.0 U1 webinar, watch it now!

Sharing my vSAN 7.0 U1 webinar, watch it now!

Sharing my vSAN 7.0 U1 webinar, watch it now!

I recorded a webinar a while back. It was streamed last week, and I figured that as I have the recording here, I may as well share it with you. In this webinar I discuss many of the new features which were introduced as part of vSAN 7.0 U1, features like HCI Mesh, IO Insight, […]


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