Category Archives: 6.1

Virtually Speaking Podcast – vSAN Customer Use Cases


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As John Nicholson was traveling in and around New Zealand I was asked by Pete if I could co-host the Virtually Speaking Podcast again. It is always entertaining to join, Pete is such a natural when it comes to these things. I euuh, well I do my best to keep up with him :). Below […]

Virtually Speaking Podcast – vSAN Customer Use Cases” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.0, 6.1, 6.2, 6.5, BC-DR, podcast, Server, Software Defined, Storage, usecase, Virtual SAN, virtually speaking podcast, VMware, vsan, vSphere | Comments Off on Virtually Speaking Podcast – vSAN Customer Use Cases

Two host stretched vSAN cluster with Standard license?


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I was asked today if it was possible to create a 2 host stretched cluster using a vSAN Standard license or a ROBO Standard license. First of all, from a licensing point of view the EULA states you are allowed to do this with a Standard license: A Cluster containing exactly two Servers, commonly referred to […]

Two host stretched vSAN cluster with Standard license?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.0, 6.1, 6.2, 6.5, BC-DR, Server, Software Defined, Storage, stretched cluster, Virtual SAN, VMware, vsan, vSphere | Comments Off on Two host stretched vSAN cluster with Standard license?

Disk controllers for vSAN with or without cache?


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I got this question today and I thought I already wrote something on the topic, but as I cannot find anything I figured I would write up something quick. The question was if a disk controller for vSAN should have cache or not? It is a fair question as many disk controllers these days come […]

Disk controllers for vSAN with or without cache?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.0, 6.1, 6.2, Server, Virtual SAN, VMware, vsan, vSphere | Comments Off on Disk controllers for vSAN with or without cache?

Benchmarking an HCI solution with legacy tools


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I was driving back home from Germany on the autobahn this week when thinking about 5-6 conversations I have had the past couple of weeks about performance tests for HCI systems. (Hence the pic on the rightside being very appropriate ;-)) What stood out during these conversations is that many folks are repeating the tests they’ve once […]

Benchmarking an HCI solution with legacy tools” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.0, 6.1, 6.2, 6.5, benchmark, performance, Server, Virtual SAN, vsan | Comments Off on Benchmarking an HCI solution with legacy tools

600GB write buffer limit for VSAN?


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I get this question on a regular basis and it has been explained many many times, I figured I would dedicate a blog to it. Now, Cormac has written a very lengthy blog on the topic and I am not going to repeat it, I will simply point you to the math he has provided […]

600GB write buffer limit for VSAN?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.0, 6.1, 6.2, Server, Software Defined, ssd, Storage, Virtual SAN, VMware, vsan, vSphere, write buffer | Comments Off on 600GB write buffer limit for VSAN?

Can I still provision VMs when a VSAN Stretched Cluster site has failed?


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A question was asked internally if you can still provision VMs when a site has failed in a VSAN stretched cluster environment. In a regular VSAN environment when you don’t have sufficient fault domains you cannot provision new VMs, unless you explicitly enable Force Provisioning, which most people do not have enabled. In a VSAN stretched cluster […]

Can I still provision VMs when a VSAN Stretched Cluster site has failed?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.1, 6.2, BC-DR, Software Defined, Storage, stretched, Virtual SAN, vsan | Comments Off on Can I still provision VMs when a VSAN Stretched Cluster site has failed?

Rebuilding failed disk in VSAN versus legacy storage


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This is one of those questions that comes up every now and then, I have written about this before, but it never hurts to repeat some of it. The comment I got was around rebuild time of failed drives in VSAN, surely it takes longer than with a “legacy” storage system. The answer of course is: it depends (on […]

Rebuilding failed disk in VSAN versus legacy storage” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.0, 6.1, Server, Software Defined, Storage, Virtual SAN, vsan, vSphere | Comments Off on Rebuilding failed disk in VSAN versus legacy storage

Disable VSAN site locality in low latency stretched cluster


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This week I was talking to a customer in Germany who had deployed a VSAN stretched cluster within a building. As it was all within a building (extremely low latency) and they preferred to have a very simple operational model they decided not to implement any type of VM/Host rules. By default when a stretched cluster […]

Disable VSAN site locality in low latency stretched cluster” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.1, BC-DR, Server, site locality, Software Defined, Storage, Virtual SAN, vsan | Comments Off on Disable VSAN site locality in low latency stretched cluster

Jumbo Frames and VSAN Stretched Cluster configurations


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I received a question last week from a customer who had implemented a stretched VSAN cluster. The Health Check after the implementation indicated that there was an “issue” with the MTU configuration. The customer had explained that he had configured an MTU of 9000 between the two data sites and an MTU of (default) 1500 […]

Jumbo Frames and VSAN Stretched Cluster configurations” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.0, 6.1, Server, Virtual SAN, VMware, vsan, vSphere | Comments Off on Jumbo Frames and VSAN Stretched Cluster configurations

VSAN VROps Management Pack version 6.0.3 available


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On the 15th the VROps Management Pack for VSAN 6.0.3 was released. If you have VROps Standard or higher you can take advantage of this management pack. It is supported for the latest release of VSAN, 6.1, as of this management pack officially. Very useful to find out if there are any anomalies and what […]

VSAN VROps Management Pack version 6.0.3 available” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.1, log insight, Server, Virtual SAN, VMware, vrops, vsan, vSphere | Comments Off on VSAN VROps Management Pack version 6.0.3 available