FROM PCWORLD:

It can be a storage nightmare: Given expanding regulatory requirements and the key role that electronic records now play in lawsuits, some enterprises are saving every bit of data they have, just to be safe. As a gauge of storage demand, IDC says the total amount of disk storage shipped last year grew 40.5 percent from 2007.

Sure, storage media are getting less expensive. The cost of a gigabyte of disk storage fell more than 27 percent from 2007 to 2008, according to IDC. But with the storage requirements of average enterprises rapidly growing, keeping it all forever can create long-term management challenges and lead to headaches when something needs to be found. Analysts, attorneys, and vendors say enterprises are better off getting rid of some data — but doing it judiciously. For IT departments, that means planning, carefully executing, and not going it alone.

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