HP StorageWorks 2/64 HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 30

SWL Short wavelength. A type of fiber optic cabling that is based on 850 mm lasers and supports 1.0625, 2.125, and 4.25 Gbps link speeds. Can also refer to the type of GBIC or SFP tranceivers. See also LWL. syslog A daemon that is used to forward error messages. T10 A standards committee chartered with creating standards for SCSI. T11 A standards committee chartered with creating standards for Fibre Channel. tachyon A chip that supports FC-0 through FC-2 on a single chip. target A storage device on a Fibre Channel network. See also initiator. TC See track changes. TCP/IP Transmission Control Protocol/Internet Protocol. A communications protocol developed by the U.S. Department of Defense to internetwork dissimilar systems. telnet A virtual terminal emulation used with TCP/IP. tenancy The time period that starts when a port wins arbitration in a loop until the same port returns to the monitoring state. Also called loop tenancy. throughput The rate of data flow achieved within a cable, link, or system. Usually measured in bps (bits per second). See also BB fabric. tiering The process of grouping particular SAN devices by function and then attaching these devices to particular switches or groups of switches based on that function. Time Server A Fibre Channel service that allows for the management of all timers. topology As it applies to Fibre Channel technology, the configuration of the Fibre Channel network and the resulting communication paths allowed. There are three possible topologies: • Point-to-point-A direct link between two communication ports. • Switched fabric-Multiple N_Ports linked to a switch by F_Ports. • Arbitrated loop-Multiple NL_Ports connected in a loop. TPC Third-party copy. A protocol for performing tape backups without using server resources. track changes A Fabric OS feature that can be enabled to report specific activities (for example, logins, logouts, and configuration task changes). The output from the track-changes feature is dumped to the error log for the switch. transceiver A device that converts one form of signaling to another for transmission and reception; in fiber optics, converts optical signals to electrical signals. translate domain A router virtual domain that represents an entire fabric. Device connectivity can be achieved from one fabric to another, over the router and through this virtual domain, without merging the two fabrics. Also called phantom domain, phantom translate domain, or xlate domain. Translative Mode A mode in which private devices can communicate with public devices across the fabric. transmission char- A 10-bit character encoded according to the rules of the 8b/10b algorithm. acter 30 Glossary