Enhanced Remote Mirroring (ERM) concepts, planning, and design
Enhanced Remote Mirroring (ERM) is an important Copy Services feature of the IBM DS System Storage. With the DS3500 and DS3950 products this capability has been added to the DS3000 products as well. ERM provides the technology that enables the mirroring of a logical drive image from one system storage to another. In this regard, ERM is a major component of business continuity solutions for use in the event of a disaster or unrecoverable error at one system storage. It achieves this ...

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