S/390 parallel enterprise server generation 3: a balanced system and cache structure
IBM Journal of Research and Development - Special issue: IBM S/390 G3 and G4
A high-frequency custom CMOS S/390 microprocessor
IBM Journal of Research and Development - Special issue: IBM S/390 G3 and G4
RAS design for the IBM eServer z900
IBM Journal of Research and Development
Processor subsystem interconnect architecture for a large symmetric multiprocessing system
IBM Journal of Research and Development
z990 netmessage-protocol-based processor to support element communication interface
IBM Journal of Research and Development
Reliability, availability, and serviceability (RAS) of the IBM eServer z990
IBM Journal of Research and Development
IBM Journal of Research and Development
IBM totalstorage productivity center for replication for z/OS
IBM Systems Journal
IBM eServer z900 I/O subsystem
IBM Journal of Research and Development
RAS design for the IBM eServer z900
IBM Journal of Research and Development
Capacity on Demand advancements on the IBM system z10
IBM Journal of Research and Development
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Flexible, nondisruptive upgrade capabilities and self-healing characteristics in IBM eServer systems are currently being addressed. The IBM eServer z900 and preceding S/390® servers have been delivering leading-edge self-configuring, self-optimizing, self-protecting, self-managing, and self-healing capabilities that provide a solid foundation for those efforts. Current processors, memory, and input/output (I/O) cards are produced with dense physical packaging at high volumes without requiring fine configuration granularity. The granularity is provided under the control of Licensed Internal Code (LIC), which enables hardware entities to fulfill specific requirements based on encrypted product data. Disabled hardware entities are "dormant" and are reserved for capacity upgrades or self-healing. Concurrent capacity upgrade functions enable dormant hardware entities to reflect the new configuration. In case of hardware failure, healthy dormant hardware can be enabled, without disruption, to replace failing hardware. This paper describes the high level of concurrent configuration-change flexibility provided in the IBM eServer z900 and the asset protection approach on which it is based.