"Given the volume of online data generated every day, IT organizations large and small must confront the well known issue of storage obsolescence.
The good news is that, like all computer-based technology, disk and tape storage is rapidly improving and changing, offering increased density, performance, and reliability. The bad news is that as storage technology changes, the data must be migrated or copied from the current storage to the new storage.
Data migration is a constant personal albatross for many IT administrators, and with good reason. It’s time-consuming, boring, and fraught with potential errors. In other words, it may be necessary, but it is never fun, and it is often treacherous.
This problem is becoming critical as corporate and regulatory compliance, along with e-discovery, force IT organizations to keep data under management longer and longer. In other words, the problem is growing more urgent. Take the example of using tape as an archive medium. As new tape drives and technologies are released approximately every three years, the older tape drives and media are instantly made obsolete."