Today I attended the virtual vRetreat event with Runecast and 10Zig, above you can see my doodle covering the Runecast presentation by @kev_johnson.
Runecast allows VMware administrators to proactively manage their vSphere patching, security compliance and HCL compatibility. By doing this it is predicted up to 90% of known issues can be prevented.
Please note this was drawn for vSAN 5.5 prior to the all flash release. You are now able to have flash in place of the HDD's described below, however one must still be allocated as cache even in a all-flash design.