Doing maintenance on a Two-Node (Direct Connect) vSAN configuration

Advertise here with BSAI was talking to a partner and customer last week at a VMUG. They were running a two node (direct connect) vSAN configuration and had some issues during maintenance which were, to them, not easy to explain. What they did is they placed the host which was in the “preferred fault … [Read more...]

Using HA VM Component Protection in a mixed environment

Advertise here with BSAI have some customers who are running both traditional storage and vSAN in the same environment. As most of you are aware, vSAN and VMCP do not go together at this point. So what does that mean for traditional storage, as in with traditional storage for certain storage failure scenarios you can … [Read more...]

vSphere HA heartbeat datastores, the isolation address and vSAN

Advertise here with BSAI’ve written about vSAN and vSphere HA various times, but I don’t think this has been explicitly called out before. Cormac and I were doing some tests this week and noticed something. When we were looking at results I realized I described it in my HA book a long time ago, but it is so … [Read more...]

Which disk controller to use for vSAN

Advertise here with BSAI have many customers going through the plan and design phase for implementing a vSAN based infrastructure. Many of them have conversations with OEMs and this typically results in a set of recommendations in terms of which hardware to purchase. One thing that seems to be a recurring theme is the … [Read more...]

VMworld vSAN Sessions Playlist

Advertise here with BSAI just created a simple playlist up on youtube which has most (if not all) vSAN sessions on there. If you are interested in vSAN simply have a look at the playlist and pick what you want to watch. "VMworld vSAN Sessions Playlist" originally appeared on Follow me on twitter - … [Read more...]

Sharing the “Top 10 things to know about vSAN” slides…

Advertise here with BSAI was asked by a few people to share the slides for our Top 10 vSAN session at VMworld. Instead of sending the slides around via email I figured I would simply throw it up on slideshare and share it here. "Sharing the “Top 10 things to know about vSAN” slides…" originally … [Read more...]

Watch VMworld session “Top 10 Things to Know about vSAN #STO1264BE” for free …

Advertise here with BSAI didn’t know, but apparently our session was a featured session at VMworld Europe. For those interested in our VMworld: Top 10 vSAN session there’s a “mini player” below of our European VMworld session. I somehow can’t get it in a proper size but still wanted to … [Read more...]

List all “thick” swap files on vSAN

Advertise here with BSAAs some may know, on vSAN by default the swap file is a fully reserved file. This means that if you have a VM with 8GB of memory, vSAN will reserve 16GB capacity in total for it. 16GB? Yes, 16GB as the FTT=1 policy is also applied to it. In vSAN 6.2 we introduced the ability to have swap files … [Read more...]

#STO1490BU : vSAN Vision – The Future of HCI

Advertise here with BSA I am not able to attend many sessions, but wanted to add this one to my schedule. This session was hosted by Lee Caswell (VP Products Storage and Availability VMware), Christos Karamanolis (CTO Storage and Availability VMware) and the VP for Technical Solutions for Fox Dean Perrine. Lee Caswell … [Read more...]

Unbalanced Stretched vSAN Cluster

Advertise here with BSAI had this question a couple of times the past month so I figured I would write a quick post. The question that was asked is: Can I have an unbalanced stretched cluster? In other words: Can I have 6 hosts in Site A and 4 hosts in site B when using vSAN Stretched Cluster functionality? In short: … [Read more...]