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This IBM® RedpaperTM publication describes the support of the IBM System Storage® DS8870 for VMware vSphere in general terms. It also describes in greater detail the VMware vSphere Storage APIs Array Integration (VAAI) primitives, the IBM Storage Management Console for VMware plug-in, and the IBM Site Replication Adapter (SRA) for VMWare Site Recovery Manager (SRM). In addition to a high-level overview of the VMWare vSphere suite, this paper emphasizes the interaction of the software components with the IBM System Storage DS8870. It is intended for IT professionals who want an understanding of advantages such as off loading specific tasks to storage arrays, centralized service management, and simplified implementation of disaster recovery processes in virtualized environments.
This fourth volume in the comprehensive series “fills a gap in the existing narrative” of WWII’s Mediterranean air war (Journal of Military History). The fourth volume in this momentous series commences with the attacks on the Italian island fortress of Pantellaria, which led to its surrender and occupation achieved almost by air attack alone. The account continues with the ultimately successful, but at times very hard fought, invasions of Sicily and southern Italy as burgeoning Allied air power, now with full US involvement, increasingly dominated the skies overhead. The successive occupations of Sardinia and Corsica are also covered in detail. This is essentially the story of the tac...
This IBM® RedpaperTM publication describes the concepts, functions, and practical usage of IBM Easy Tier® Heat Map Transfer (HMT). IBM System Storage® DS8000® Easy Tier is designed to automate data placement throughout the storage system disks pool. Easy Tier generates a heat map. It is a workload activity metric for each extent in a logical volume. With Easy Tier HMT, it is possible to transfer the heat map from a mirrored primary site and reapply it periodically at secondary and tertiary sites by using the Easy Tier Heat Map Transfer Utility (HMTU). This capability helps maintain storage performance after a failover to a remote site. With DS8870 Release 7.5, the heat map transfer suppo...