Category Archives: VMware

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?

VMworld Reveals: vMotion innovations


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At VMworld, various cool new technologies were previewed. In this series of articles, I will write about some of those previewed technologies. Unfortunately, I can’t cover them all as there are simply too many. This article is about enhancements that will be introduced in the future to vMotion, the was session HBI1421BU. For those who […]

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Posted in innovation, Server, Various, vmotion, VMware, vmworld, vmworld reveals, vSphere | Comments Off on VMworld Reveals: vMotion innovations

Runecast Analyzer 3.0!


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This week I had a brief conversation with the folks from Runecast. I have been following them since day 1 and they have made a big impression on me from the start. During the conversation the Runecast folks shared with me that Runecast Analyzer 3.0 was going to be announced today and they gave a […]

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Posted in 6.5, 6.7, cool, runecast, Server, Software Defined, startup, Storage, Various, Virtual SAN, VMware, vsan | Comments Off on Runecast Analyzer 3.0!

Does a vSAN IO Limit impact resync traffic?


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A question just came in, and I figured other people may have the same question so I would share it. The question was if a vSAN IO limit would impact resync traffic or for instance SvMotion? In this case the customer defines limits within each policy to ensure VMs do not interfere with other VMs […]

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Posted in hci, hyperconverged, Server, Software Defined, Storage, Virtual SAN, VMware, vsan | Comments Off on Does a vSAN IO Limit impact resync traffic?

Site locality in a vSAN Stretched Cluster?


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On the community forums, a question was asked around the use of site locality in a vSAN Stretched Cluster. When you create a stretched cluster in vSAN you can define within a policy how the data needs to be protected. Do you want to replicate across datacenters? Do you want to protect the “site local […]

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Posted in 6.7, Server, u1, u2, Virtual SAN, VMware, vmware vsan, vsan | Comments Off on Site locality in a vSAN Stretched Cluster?

Site locality in a vSAN Stretched Cluster?


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On the community forums, a question was asked around the use of site locality in a vSAN Stretched Cluster. When you create a stretched cluster in vSAN you can define within a policy how the data needs to be protected. Do you want to replicate across datacenters? Do you want to protect the “site local […]

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Posted in 6.7, Server, u1, u2, Virtual SAN, VMware, vmware vsan, vsan | Comments Off on Site locality in a vSAN Stretched Cluster?

VMware RADIO Fun Run 2019


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William Lam and I have been organizing a “running” event at a VMware internal event called RADIO. RADIO is our yearly R&D Innovation Offsite and is usually held in San Francisco. What is this run? Well basically it started many years ago (7 or 8?) with a group of 4-5 runners meeting up at 6:00 […]

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I want vSphere HA to use a specific Management VMkernel interface


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This comes up occasionally, customers have multiple Management VMkernel interfaces and see vSphere HA traffic on both of the interfaces, or on the incorrect interface. In some cases, customers use the IP address of the first management VMkernel interface to connect the host to vCenter and then set an isolation address that is on the […]

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Posted in 6.0, 6.5, 6.7, ha, High Availability, Server, VMware, vSphere | Comments Off on I want vSphere HA to use a specific Management VMkernel interface

Mixing versions of ESXi in the same vSphere / vSAN cluster?


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I have seen this question being asked a couple of times in the past months, and to be honest I was a bit surprised people asked about this. Various customers were wondering if it is supported to mix versions of ESXi in the same vSphere or vSAN Cluster? I can be short whether this is […]

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Posted in 6.5, 6.7, Server, Storage, u1, u2, Virtual SAN, VMware, vsan, vSphere | Comments Off on Mixing versions of ESXi in the same vSphere / vSAN cluster?

vSphere HA virtual machine failed to failover error on VMs in a partitioned cluster


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I received two questions this week around partition scenarios where after the failure has been lifted some VMs display the error message “vSphere HA virtual machine failed to failover”. The question that then arises is: why did HA try to restart it, and why did it fail? Well, first of all, this is an error […]

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Posted in 6.0, 6.5, 6.7, BC-DR, failure scenario, ha, Server, testing, VMware, vSphere | Comments Off on vSphere HA virtual machine failed to failover error on VMs in a partitioned cluster