1. A computer program product for facilitating data coherency, the computer program product comprising: a non-transitory storage medium readable by a processor and storing instructions for execution by the processor to perform a method comprising: translating original data to obtain translated data from the original data, wherein the translated data comprises a translation of the original data prior to initiating a data store operation; initiating the data store operation, wherein the data store operation comprises an attempt to modify the original data; responsive to initiating the data store operation to modify the original data from which the translated data has been obtained, checking whether at least one guard bit associated with the original data is set to indicate protection of the original data, and responsive to the checking indicating that the at least one guard bit is set: faulting the data store operation; and initiating discarding of the translated data to facilitate maintaining data coherency.