Category Archives: Software Defined

Opvizor Performance Analyzer for vSAN


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At a VMUG a couple of months ago I bumped into my old friend Dennis Zimmer. Dennis told me that he was working on something cool for vSAN but couldn’t reveal what it was just yet. Last week I had a call with Dennis about what that thing was. Dennis is the CEO for Opvizor, […]

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Posted in Management & Automation, monitoring, opvizor, performance, Server, Software Defined, startup, Storage, Virtual SAN, vsan, vSphere | Comments

Adding a fifth (virtual) ESXi host to vCenter Foundation


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When running a 4 node stretched cluster environment it should be possible to use “cheaper” vCenter Server licenses, namely vCenter Foundation. One of the limitations of vCenter Foundation is that you can only manage 4 hosts with it. This is where some customers who wanted to manage a stretched cluster hit some issues. The issue […]

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Posted in 6.5, BC-DR, Server, Software Defined, Storage, u2, Virtual SAN, VMware, vsan, vSphere | Comments

How to simplify vSAN Support!


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Last week I presented at the Tech Support Summit in Cork with Cormac. Our session was about the evolution of vSAN, where are we today but more importantly which directly will we be going. One thing that struck me when I discussed vSAN Support Insight, the solution we announced not to long ago, is that […]

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Posted in BC-DR, gss, Management & Automation, Server, Software Defined, Storage, support, support insight, Various, Virtual SAN, VMware, vsan, vSphere | Comments

What’s new vSAN 6.7


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As most of you have seen, vSAN 6.7 just released together with vSphere 6.7. As such I figured it was time to write a “what’s new” article. There are a whole bunch of cool enhancements and new features, so let’s create a list of the new features first, and then look at them individually in […]

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Posted in 6.7, Server, Software Defined, Storage, Various, Virtual SAN, VMware, vsan, vsan 6.7, vSphere | Comments

vSAN Stretched Cluster: PFTT and SFTT what happens when a full site fails and multiple hosts fail?


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This question was asked on the VMTN community forum and it is a very valid question. Our documentation explains this scenario, but only to a certain level and it seems to be causing some confusion as we speak. To be honest, it is fairly complex to understand. Internally we had a discussion with engineering about […]

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Posted in pftt, Server, sftt, Software Defined, Storage, stretched cluster, Various, Virtual SAN, vsan | Comments

Doing maintenance on a Two-Node (Direct Connect) vSAN configuration


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I was talking to a partner and customer last week at a VMUG. They were running a two node (direct connect) vSAN configuration and had some issues during maintenance which were, to them, not easy to explain. What they did is they placed the host which was in the “preferred fault domain” in to maintenance […]

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Posted in 6.2, 6.6, 6.6.1, maintenance, Server, Software Defined, Storage, Virtual SAN, VMware, vsan, vSphere | Comments

vSAN Adaptive Resync, what does it do?


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I am starting to get some more questions about vSAN Adaptive Resync lately. This was introduced a while back, but is also available in the latest versions of vSAN through vSphere 6.5 Patch 02. As a result various folks have started to look at it and are starting to wonder what it is. Hopefully by […]

vSAN Adaptive Resync, what does it do?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in Server, Software Defined, Storage, Various, Virtual SAN, VMware, vsan, vsan 6.6, vSphere | Comments

Where is the vSAN storage performance proactive test in vSphere 6.5 U1 patch 02?


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I had some customers asking where the storage performance proactive test and the multicast proactive test was in the latest release of vSAN. In the past this is what the UI looked like when they would go to the Proactive Test section: But now it looks like this: What happened? Well, two tests have been […]

Where is the vSAN storage performance proactive test in vSphere 6.5 U1 patch 02?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in benchmark, performance, proactive test, Server, Software Defined, Storage, Virtual SAN, vsan | Comments

Holiday gift: vSAN Essentials book available for free


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Christmas is coming so Cormac and I figured we would do something special for everyone, after a long debate we decided to make the vSAN Essentials book available for free. Note that this is the “Essential Virtual SAN” book which was published by VMware Press / Pearson and is based on the 6.2 version of […]

Holiday gift: vSAN Essentials book available for free” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.2, essential virtual san, essentials, Server, Software Defined, Storage, Virtual SAN, vsan | Comments

Using HA VM Component Protection in a mixed environment


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I have some customers who are running both traditional storage and vSAN in the same environment. As most of you are aware, vSAN and VMCP do not go together at this point. So what does that mean for traditional storage, as in with traditional storage for certain storage failure scenarios you can benefit from VMCP. […]

Using HA VM Component Protection in a mixed environment” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.5, 6.6, apd, ha, PDL, Server, Software Defined, Storage, Various, Virtual SAN, vmcp, VMware, vsan, vsphere ha | Comments