This IBM® Redbooks® Product Guide describes the IBM System Storage® SAN42B-R extension switch. Today’s organizations depend on fast, reliable access to data wherever and whenever it is needed. The ramifications and potential business impact of an unreliable disaster recovery (DR) and data protection infrastructure are greater than ever. The System Storage SAN42B-R extension switch provides scalable deployment options to extend disaster recovery and data protection storage solutions across any distance. It includes a suite of features that help ensure continuous availability of a storage extension network, from predeployment validation tools to advanced network failure recovery technologies.
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