If you want to clear a zfs property, you will often be told to use inherit to instead just inherit the value from the parent dataset. But what if you want to clear a zpool property instead? The answer is simple but you got to know it.
Here I put the
'' to emphasize the fact that it’s a pure empty space. that is, if you want to clear the property, there is nothing after ‘=’.
zpool set <property>='' <pool>