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

Advertise here with BSA 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 process for a … [Read more...]

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

Advertise here with BSAAs 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 … [Read more...]

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

Advertise here with BSAI 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 The paper was outdated as it was last updated around the vSphere 6.0 timeframe, and it was only a minor update.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 guidance … [Read more...]

vSAN 6.6 Stretched Cluster Demo

Advertise here with BSAI 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 … [Read more...]

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

Advertise here with BSAYesterday 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 … [Read more...]

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

Advertise here with BSAA 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 … [Read more...]

Removing stretched VSAN configuration?

Advertise here with BSAI 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 … [Read more...]

Virtual SAN Stretched Clustering demo

Advertise here with BSAI posted about HA/DRS settings for VSAN Stretched Clustering yesterday and posted an intro to 6.1 and all new functionality which includes stretched clustering. As part of our VMworld session Rawlinson Rivera recorded a nice demo. We figured we should share it with the world, so I added the … [Read more...]

HA/DRS configuration with Virtual SAN Stretched Cluster environment

Advertise here with BSAThis question is going to come sooner or later, how do I configure HA/DRS when I am running a Virtual SAN Stretched cluster configuration. I described some of the basics of Virtual SAN stretched clustering in a what’s new for 6.1 post already, if you haven’t read it then I urge you to … [Read more...]

VMworld Virtual SAN slidedecks up on slideshare

Advertise here with BSAI just posted the slidedecks that I presented at VMworld on Virtual SAN up on slideshare. The recording and the slides will probably at some point also show up on but as I had many requests from people to share the material I figured I would do that straight after the event. If you … [Read more...]