1. A method comprising: receiving, at a distributed storage unit, a related data slice of a plurality of related data slices for storage, the plurality of related data slices generated from an original data segment and constructed to prevent recovery of the original data segment using a single related data slice, but to allow recovery of the original data segment using fewer than all of the plurality of related data slices; and storing the related data slice in a same memory stripe as other related data slices, the same memory stripe extending across a plurality of memory devices and a plurality of different distributed storage units.