In an age of de-duping VTLs we’re stuck with tape-based software
Why does backup software still have its obsession with tape? The backup applications are riven through with the assumption that the ultimate end-target is tape, however much they nod to disk-to-disk (D2D) or virtual tape libraries (VTL).
With organisations that have abandoned tape or used it for their last-tier backup, the backup applications make a dreadful hash of managing D2D and VTL targets, especially with de-duplication. A backup application cannot write a de-duped file to tape and has to expand it before it can do so. But it is a nonsense for the same approach to be taken by a backup application when directing a de-duped storage device to move its data to a remote de-duped storage device. That negates all the bandwidth reduction benefits of de-dupe.