I'm upgrading our Summit X460G2-48p-10G4's form v.16 to v.21. What is the best practice or convention when upgrading? Should both partitions be done or should one be left to revert back to in case a roll back is needed?
To further Carsten's point, if you're adding to a stack (or think you might), be sure the booted image partition AND version matches the rest of the stack.