witness host

2-node vSAN topologies review

There has been a lot of discussion in the past around supported topologies for 2-node vSAN, specifically around where we can host the witness. Now my good pal [...]

Understanding recovery from multiple failures in a vSAN stretched cluster

Sometime back I wrote an article that described what happens when an object deployed on a vSAN datastore has a policy of Number of Failures to Tolerate set to [...]

vSAN Stretched Cluster – Partition behavior changes

My good pal Paudie and I are back in full customer[0] mode these past few weeks, testing out lots of new and upcoming features in future release of vSAN. Our [...]

Essential Virtual SAN (6.2) available for pre-order

Our friends over at Pearson and VMware Press have informed us that the second edition of the Essential Virtual SAN book (that I wrote with Duncan Epping) is [...]

VSAN 6.2 Part 9 – Replacing the witness appliance

There might be a reason in VSAN stretched cluster environments or in 2-node VSAN ROBO deployments to change the witness appliance. The one thing to keep in [...]

VSAN 6.2 Part 8 – Upgrading VSAN Stretched Cluster from 6.1 to 6.2

This is an exercise that we ran through in our lab environment, and we thought that the steps would be useful to share here. By way of introduction, our 4 node [...]

VSAN Stretched Cluster – some possible warnings

We are hearing about a number of VSAN stretched cluster implementations going on at the moment, which is great news. I just set up such a configuration once [...]