HP StorageWorks 2/64 HP StorageWorks Core Switch 2/64 and SAN Director 2/128 I - Page 159
RR_TOV, SDRAM, sequence, service rate, single mode, switch, switch port, tenancy, throughput
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RR_TOV RSCN SAN SDRAM sequence service rate single mode SNMP SNS switch switch port SWL tenancy throughput Resource recovery time-out value. The minimum time a target device in a loop waits after a LIP before logging out a SCSI initiator. Registered state change notification. A switch function that allows notification of fabric changes to be sent from the switch to specified nodes. Storage Area Network. A network of systems and storage devices that communicate using Fibre Channel protocols. The main memory for the switch. A group of related frames transmitted in the same direction between two N_Ports. The rate at which an entity can service requests. The fiber optic cabling standard that corresponds to distances of up to 10 km between devices. Simple Network Management Protocol. An internet management protocol that uses either IP for network-level functions and UDP for transport-level functions, or TCP/IP for both. Can be made available over other protocols, such as UDP/IP, because it does not rely on the underlying communication protocols. Simple Name Server. A switch service that stores names, addresses, and attributes for up to 15 minutes, and provides them as required to other devices in the fabric. SNS is defined by Fibre Channel standards and exists at a well-known address. May also be referred to as directory service. Hardware that routes frames according to Fibre Channel protocol and is controlled by software. A port on a switch. Switch ports can be E_Ports, F_Ports, or FL_Ports. Short wavelength. A type of fiber optic cabling that is based on 850mm lasers and supports link speeds up to 2 Gbit/sec. May also refer to the type of transceiver. The time from when a port wins arbitration in a loop until the same port returns to the monitoring state. Also referred to as loop tenancy. The rate of data flow achieved within a cable, link, or system. Usually measured in bps (bits per second). Core Switch 2/64 and SAN Director 2/128 installation guide 159