Category Archives: isolation response

2 node direct connect vSAN and error “vSphere HA agent on this host could not reach isolation address”


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I’ve had this question over a dozen times now, so I figured I would add a quick pointer to my blog. What is causing the error “vSphere HA agent on this host could not reach isolation address” to pop up on a 2-node direct connect vSAN cluster? The answer is simple, when you have vSAN […] Continue reading

Posted in 2-node, direct connect, ha, isolation response, Server, Software Defined, Storage, Various, Virtual SAN, vsan, vsphere ha | Comments Off on 2 node direct connect vSAN and error “vSphere HA agent on this host could not reach isolation address”

This host has no isolation addresses defined as required by vSphere HA


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I had a comment on one of my 2-node vSAN cluster articles that there was an issue with HA when disabling the Isolation Response. The isolation response is not required for 2-node as it is impossible to properly detect an isolation event and vSAN has a mechanism to do exactly what the Isolation Response does: kill the […]

The post This host has no isolation addresses defined as required by vSphere HA appeared first on Yellow Bricks.

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Posted in 6.5, 6.7, ha, isolation address, isolation response, Server, vsan, vsphere ha | Comments Off on This host has no isolation addresses defined as required by vSphere HA