Category Archives: stretched cluster

Creating a vSAN 7.0 Stretched Cluster


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A while ago I wrote this article and created this demo showing the creation of a vSAN Stretched Cluster. I bumped into the article/video today when I was looking for something and figured that it is time to recreate the vSAN Stretched Cluster demo. I recorded it today, using vSphere / vSAN 7, and just […] Continue reading

Posted in 7, 7.0, BC-DR, Software Defined, Storage, stretched cluster, Virtual SAN, VMware, VMware Cloud Foundation, vsan, vSphere | Comments Off on Creating a vSAN 7.0 Stretched Cluster

vSAN/DRS awareness to be introduced in vSAN/vSphere 7.0!


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It was briefly mentioned here, but I figured I would elaborate on this new cool feature for vSAN Stretched Clusters which is DRS Awareness of vSAN Stretched Clusters. So what does this mean? Well, it is fairly straight forward. DRS will take vSAN resync traffic into consideration when the DRS algorithm runs. I can probably […] Continue reading

Posted in 7, 7.0, BC-DR, drs, Server, Software Defined, Storage, stretched cluster, Virtual SAN, VMware, VMware Cloud Foundation, vsan | Comments Off on vSAN/DRS awareness to be introduced in vSAN/vSphere 7.0!

Can I still provision VMs when a vSAN Stretched Cluster site has failed? Part II


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3 years ago I wrote the following post: Can I still provision VMs when a VSAN Stretched Cluster site has failed? Last week I received a question on this subject, and although officially I am not supposed to work on vSAN in the upcoming three months I figured I could test this in the evening […] Continue reading

Posted in BC-DR, metro cluster, Software Defined, Storage, stretched, stretched cluster, Virtual SAN, VMware, vsan, vSphere | Comments Off on Can I still provision VMs when a vSAN Stretched Cluster site has failed? Part II

Can you move a vSAN Stretched Cluster to a different vCenter Server?


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I noticed a question today on one of our internal social platforms, the question was if you can move a vSAN Stretched Cluster to a different vCenter Server. I can be short, I tested it and the answer is yes! How do you do it? Well, we have a great KB that actually documents the […] Continue reading

Posted in 6.7, Software Defined, Storage, stretched, stretched cluster, Virtual SAN, VMware, VMware Cloud Foundation, vsan | Comments Off on Can you move a vSAN Stretched Cluster to a different vCenter Server?

vSAN Stretched Cluster failure scenarios and component votes


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I was at a customer last week and had an interesting question about the vSAN voting mechanism. This customer had a stretched cluster and used RAID-5 within each location to protect the data on top of replicating across locations. During certain failure scenarios unexpectedly the data remained available, of course, it is great that you […]

The post vSAN Stretched Cluster failure scenarios and component votes appeared first on Yellow Bricks.

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Posted in Server, Software Defined, Storage, stretched cluster, Virtual SAN, vsan | Comments Off on vSAN Stretched Cluster failure scenarios and component votes

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 […]

The post vSAN Stretched Cluster: PFTT and SFTT what happens when a full site fails and multiple hosts fail? appeared first on Yellow Bricks.

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Posted in pftt, Server, sftt, Software Defined, Storage, stretched cluster, Various, Virtual SAN, vsan | Comments Off on vSAN Stretched Cluster: PFTT and SFTT what happens when a full site fails and multiple hosts fail?

New whitepaper available: vSphere Metro Storage Cluster Recommended Practices (6.5 update)


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I had many requests for an updated version of this paper, so the past couple of weeks I have been working hard. The paper was outdated as it was last updated around the vSphere 6.0 timeframe, and it was only a minor update. I looked at every single section and added in new statements and […]

New whitepaper available: vSphere Metro Storage Cluster Recommended Practices (6.5 update)” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in BC-DR, emc, metro, metro cluster, netapp, Storage, stretched, stretched cluster, vmsc, VMware, vplex, vSphere, vsphere metro storage cluster | Comments Off on New whitepaper available: vSphere Metro Storage Cluster Recommended Practices (6.5 update)

Sizing a vSAN Stretched Cluster


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I have had this question a couple of times already, how many hosts do I need per site when the Primary FTT is set to 1 and the Secondary FTT is set to 1 and RAID-5 is used as the Failure Tolerance Method? The answer is straight forward, you have a local RAID-5 set locally […]

Sizing a vSAN Stretched Cluster” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.6, Server, sizing, Software Defined, Storage, stretched cluster, Virtual SAN, vsan | Comments Off on Sizing a vSAN Stretched Cluster

vSAN 6.6 Stretched Cluster Demo


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I had one more demo to finish and share and that is the vSAN 6.6 stretched cluster demo. I already did a stretched clustering demo when we initially released it, but with the enhanced functionality around local protection I figured I would re-record it. In this demo (~12 minutes) I will show you how to […]

vSAN 6.6 Stretched Cluster Demo” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.6, BC-DR, Server, Software Defined, Storage, stretched, stretched cluster, Virtual SAN, VMware, vsan, vSphere | Comments Off on vSAN 6.6 Stretched Cluster Demo

VMware vSAN 6.6 demo

Advertise here with BSAI was playing around with a vSAN 6.6 environment yesterday and I figured I would record a quick demo of some of the new functionality introduced. Took me a bit longer than expected, but here it is. I hope you will find it us… Continue reading

Posted in 6.6, BC-DR, demo, Server, Software Defined, Storage, stretched cluster, Virtual SAN, VMware, vsan | Comments Off on VMware vSAN 6.6 demo