Mon Mar 30, 2026 12:35 pm
The "master" or "primary" node handles i/o. The i/o is being replicated to the "listener".
I am not sure that you can create a HA device with the cache. VSAN considers data "written" once it hits the underlying storage. If the underlying storage array is cache-backed, software does not take it into account; data integrity then is more on the hardware side.