HP NetServer AA 4000 HP NetServer AA 6200 Solution Release 3.0 Administrator&a - Page 270
Video Provider., Video Redirector.
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Glossary redirected video. The CE graphical display that is displayed in a window on the IOPs. redirection. Identifies when a system uses a device that is not physically located in that system. For example, access to the Ethernet and SCSI devices is redirected from the CE to the IOP using Endurance software redirector. CE-based software driver that requests a specific service from a provider. redundancy. Provides duplicate hardware components so that if one component fails, the remaining component continues to provide service. Redundant components offer higher levels of system availability than can be provided by a single component. SCSI settings. A SCSI device location defined by the adapter number, bus number, SCSI ID, and LUN (logical unit number). shutdown. A system process that refers to shutting down either one of (or a combination of) the IOPs' and CE's copies of the Windows NT operating system. synchronize. A process that results in both CEs being tightly coupled, performing identical compute processing. When a CE is powered up and another CE is active, the synchronization process is started for the CE that just completed power up. tuple. A conceptual term that describes half of the redundant devices in a server. There are two tuples in the server. Each tuple contains a CE, an IOP, and a network connection. uninterruptable power supply. See UPS. UPS. Uninterruptable Power Supply. A batterybased device that provides a limited supply of electrical power in the event of a power failure. Video Provider. Video Provider on the IOP. Receives the I/O of the CE and makes it available for display on the IOP. Video Redirector. Video Redirector on the CE. Loads the video software on the CE and supports video I/O on the CE, redirected for display on the IOP. virtual network. LAN-style connectivity between the CE and each IOP. This connectivity is independent of any public (redirected) or private (IOP) network adapters. vulnerable. The state of a server when one or more components has failed but the system is still operational and available to end users. The system is vulnerable to complete failure if certain additional components fail. transient. A temporary condition describing a server fault that can be detected, isolated, and repaired without physically replacing any hardware components. 254