Category Archives: stretched

All-Flash Stretched vSAN Cluster and VM/Host Rules


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I had a question last week about the need for DRS Rules or also known as VM/Host Rules in an All-Flash Stretched vSAN Infrastructure. In a vSAN Stretched Cluster, there is read locality implemented. The read locality functionality, in this case, ensures that: reads will always come from the local fault domain. This means that […]

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Posted in all flash, drs, flash, hybrid, Server, stretched, vsan | Comments Off on All-Flash Stretched vSAN Cluster and VM/Host Rules

Isolation Address in a 2-node direct connect vSAN environment?


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As most of you know by now, when vSAN is enabled vSphere HA uses the vSAN network for heartbeating. I recently wrote an article about the isolation address and relationship with heartbeat datastores. In the comment section Johann asked what the settings should be for 2-Node Direct Connect with vSAN. A very valid question as […]

Isolation Address in a 2-node direct connect vSAN environment?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 2-node, Server, Software Defined, Storage, stretched, two node, Various, Virtual SAN, VMware, vsan, vSphere | Comments Off on Isolation Address in a 2-node direct connect vSAN environment?

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 The paper was outdated as it was last updated around the vSphere 6.0 timeframe, and it was only a minor update.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)

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

Can all VSAN Witness VMs for ROBO be in the same VLAN?


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Yesterday I received the question if all VSAN Witness VMs for ROBO can be in the same VLAN? The excellent VSAN 2 node and Stretched Cluster guide for VSAN describes an example of how things can be implemented with different VLANs for the VSAN Witness, which would look like this: Now the question came in from […]

Can all VSAN Witness VMs for ROBO be in the same VLAN?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in robo, Server, Software Defined, Storage, stretched, Virtual SAN, vsan | Comments Off on Can all VSAN Witness VMs for ROBO be in the same VLAN?

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?

Removing stretched VSAN configuration?


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I had a question today around how to safely remove a stretched VSAN configuration without putting any of the workloads in danger. This is fairly straight forward to be honest, there are 1 or 2 things though which are important. (For those wondering why you would want to do this, some customers played with this […]

Removing stretched VSAN configuration?” originally appeared on Yellow-Bricks.com. Follow me on twitter – @DuncanYB.

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Posted in 6.1, BC-DR, Server, Software Defined, Storage, stretched, stretched cluster, Virtual SAN, VMware, vsan, vSphere | Comments Off on Removing stretched VSAN configuration?