HP 6100 HP 4x00/6x00/8x00 Enterprise Virtual Array User Guide (5697-0733, Marc - Page 169
Corrective Action Code. An HP Command View EVA graphical user interface GUI display, console LUN ID - printer installation
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baud bay bidirectional block blower The maximum rate of signal state changes per second on a communication circuit. If each signal state change corresponds to a code bit, then the baud rate and the bit rate are the same. It is also possible for signal state changes to correspond to more than one code bit so the baud rate may be lower than the code bit rate. The physical location of an element, such as a drive, I/O module, EMU or power supply in a drive enclosure. Each bay is numbered to define its location. Also called Bi-Di. The movement of optical signals in opposite directions through a common fiber cable such as the data flow path typically on a parallel printer port. A parallel port can provide two-way data flow for disk drives, scanning devices, FAX operations and even parallel modems. Also called a sector. The smallest collection of consecutive bytes addressable on a disk drive. In integrated storage elements, a block contains 512 bytes of data, error codes, flags, and the block address header. A variable speed airflow device that pulls air into an enclosure or element. It usually pulls air in from the front and exhausts the heated air out the rear. C cabinet cable assembly CAC cache cache battery cache battery indicator carrier client communication logical unit number (LUN) condition report console LUN console LUN ID An alternate term used for a rack. A fiber optic cable that has connectors installed on one or both ends. General use of these cable assemblies includes the interconnection of multimode fiber optic cable assemblies with either LC or SC type connectors. • When there is a connector on only one end of the cable, the cable assembly is referred to as a pigtail. • When there is a connector on each end of the cable, the cable assembly is referred to as a jumper. Corrective Action Code. An HP Command View EVA graphical user interface (GUI) display component that defines the action required to correct a problem. See also read cache,write cache, and mirrored cache. High-speed memory that sets aside data as an intermediate data buffer between a host and the storage media. The purpose of cache is to improve performance. A rechargeable unit mounted within a controller enclosure that supplies back-up power to the cache module in case of primary power shortage. 1. An orange light emitting diode (indicator) that illuminates on the controller operator control panel (OCP) to define the status of the HSV Controller cache batteries. 2. An amber status indicator that illuminates on a cache battery. When illuminated, it indicates that one or more cache battery cells have failed and the battery must be replaced with a new battery. A drive-enclosure-compatible assembly containing a disk drive or other storage devices. A software program that uses the services of another software program. The HP Command View EVA client is a standard internet browser. See console LUN. A three-element code generated by the EMU in the form where e.t. is the element type (a hexadecimal number), en. is the element number (a decimal number), and ec is the condition code (a decimal number). A SCSI-3 virtual object that makes a controller pair accessible by the host before any virtual disks are created. Also called a communication LUN. The ID that can be assigned when a host operating system requires a unique ID. The console LUN ID is assigned by the user, usually when the storage system is initialized. See also console LUN. 169