Vmware

When doing vSphere Metro Storage Cluster, on the shared storage layer, you often have a ‘fallback’ side. The LUN that will become authoritative for reading and writing in case of a site failure, or a split brain. This makes VM storage placement on the correct Datastores rather important from an availability perspective. Up till now, […]

Continue reading about Metro-Cluster SDRS datastore tagging and the EnforceStorageProfiles advanced setting

Jemimus on October 18th, 2016

Among all the great new features and improvements made to vSphere 6.5, some of the ones I am most exited about are the improvements to DRS and HA. So lets zoom into those briefly. This information comes mostly from VMware pre-sales marketing material and should be considered preliminary. I hope to try out some of […]

Continue reading about New HA and DRS features in vSphere 6.5 #vmworld2016

On ESX 5.5U3, I recently ran into an annoying issue with HA. vSphere had recently been updated, but the hosts had not been all yet received the very latest version of the FDM (fault domain manager, aka ‘HA’) agent. During some routine maintenance work, a particular host was taken in and out of maintenance mode […]

Continue reading about Using vmkramdisk to fix rare HA-FDM Agent tardisks vmware_f.v00 uninstall issue

We all know about the VMware case numbers. Each SR you open gets a nice number. Internally, VMware has a problem database. Newly found bugs end up in there. And if you spend a lot of time with VMware support, you will end up hearing a lot about these internal PR (problem reports). Here is […]

Continue reading about Hidden in the release notes: VMware Engineering PR Numbers

Jemimus on January 31st, 2016

This year I need to refresh my VMware VCP cert, so I have started to look around for educational materials to help with this. I decided several years ago that I would never again buy any IT book in physical form, if that book ran the risk of being outdated quickly. This is especially true […]

Continue reading about $60 is too much for an IT education book