HP StorageWorks 2/64 HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T
HP StorageWorks 2/64 - Core Switch Manual
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- HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 1
HP StorageWorks Fabric OS 5.x master glossary Part number: AA−RW7NA−TE First edition: September 2005 - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 2
Legal and notice information © Copyright 2005 Hewlett-Packard Development Company, L.P. © Copyright 2005 Brocade Communications Systems, Incorporated. Hewlett-Packard Company makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 3
HP StorageWorks Fabric OS 5.x documentation set or related to the Fabric OS 5.x product. It is not a comprehensive glossary of computer terms. 8b/10b encoding An encoding scheme that converts each 8-bit byte into 10 bits A fabric software facility that supports multicast group management. ANSI - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 4
managing multicast groups by supporting the create, add, enables scalable meta-SANs by allowing the switch are set to flash from one side of the switch to the other, to enable identification of an individual switch in a large fabric. A switch can be set to beacon by a CLI command or through HP - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 5
. Built-in self-test. The condition in which a receiver is delivering retimed serial data at the required bit error rate. A two-way connector used in some HP StorageWorks switches to provide a connection between the motherboard and the power supply. As it applies to Fibre Channel technology, upper - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 6
describe specific problem domains such as computer system, network, user or device management. The Common Models are subclasses of the Core Model and may frame-switching service that includes acknowledgement of frame delivery or nondelivery. A connectionless class of frame-switching service that - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 7
set of parameters that guide switch operation. May include current configuration of a switch. (3) In HP Zoning, a zoning element that switches and later use the core PID format by default; this parameter is not present in the configure command for these switches. See also PID. See Class of service - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 8
datagram A Class 3 Fibre Channel service that allows data to be sent quickly to devices attached to the cates. See also authentication, CA, and public key. director The HP StorageWorks Core Switch 2/64, SAN Director 2/128, or 4/256 SAN Director. disparity The proportion of ones and zeroes in an - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 9
switch in a fabric. It is used in routing frames. Usually assigned by the principal switch but can be assigned manually. The domain ID for an HP StorageWorks switch operational mode. ELS Extended link service. ELSs are sent to the destination N_Port to perform a requested function or service. A - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 10
limit the scope of fabric services scope but provide device connectivity switched fabric. See also cascade, SAN, and topology. fabric application platform A device that enables fabric-based storage applications such as mirroring, data migration, snapshots, and virtual tape. The HP StorageWorks - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 11
HP StorageWorks Core Switch 2/64, SAN Director 2/128, and 4/256 SAN Director during which one CP passes active status to another CP. Fabric address notification. Retains the AL_PA and fabric address when a loop reinitializes, if the switch supports that contains common services used by multiple - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 12
tasks. The HP Multi-protocol SAN Routing Service that enables SANs to span longer distances than could be supported with native switches to perform routing between different edge fabrics, optionally across a backbone fabric. Fibre Channel Routing Service. The HP Multi-protocol SAN Routing Service - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 13
at 100 Mbps. Fabric-Device Management Interface. FDMI is a database service provided by the fabric for Nx_Ports. Primarily used by HBA devices for building SANs to transmit data between servers, switches, and storage devices. Unlike IP and Ethernet, Fibre Channel was designed to support the needs - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 14
HP Fabric OS to be downloaded to HP StorageWorks 2 GB switches. Programmable nonvolatile RAM (NVRAM) memory that maintains its contents without power. Fabric login. The process by which an N_Port determines whether a fabric is present and, if so, exchanges service -programmable gate array. An FPD - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 15
first. The routing protocol for Fibre Channel switches. Fabric OS state synchronization. A service is related to high availability (HA). The Fabric Manager. High availability. A set of features in HP StorageWorks switches that is designed to provide maximum reliability and nondisruptive replacement - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 16
with services, such and maintain bit, byte, supports Fibre Channel Layer 4 FCP-Over-TCP/IP. It is a gateway-to-gateway protocol in which TCP/IP switching support FICON traffic. See ID_ID. The fabric created by an HP StorageWorks SAN Switch Integrated/64, consisting of six HP StorageWorks 1 GB switches - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 17
SCSI commands into TCP and transporting them over the network via IP. The multi-protocol SAN routing service that maps the FCP protocol to the IP transport. This service projects iSCSI hosts onto the backbone fabric of a gateway switch. Interswitch link. A Fibre Channel link from the E_Port of one - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 18
device used to indicate the status of elements on a switch. LIFA Loop-initialization fabric-assigned frame. A frame that of all other L_Ports around the Loop. L_Port support for this frame is optional, and this frame Channel link for each mode. Link Services A protocol for link-related actions. - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 19
LISA LISM LM_TOV login server loop circuit loop failure Loop_ID loop initialization looplet Loop Mode LPB LPE L_Port LPSM LR LRR LSAN Loop-initialization soft-assigned frame. The fourth frame transmitted in the loop initialization process after a temporary loop master has been selected. L_Ports - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 20
with a larger core than singlemode fiber. It is the most commonly used fiber for short distances, such as in LANs. See also LAN and SWL. Managed Object Format file. Management Platform. A platform running the HP Fibre Channel Routing Service or FC-to-FC routing (for instance, the HP StorageWorks Multi - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 21
SAN Routing Services. An optionally licensed software bundle available on certain HP platforms, such as the HP StorageWorks Multi-protocol Router, which includes the Fibre Channel Routing Service, the iSCSI Gateway Service, and the FCIP Tunneling Service array databases across switches as a - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 22
refers to an ELS field that appears simultaneously support. switched system. The terms packet, frame, and datagram are often used synonymously. See also frame. Programmable Array Logic. A relatively small FPD. A term that refers to the simultaneous transmission of data bits fabric. HP switches use the - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 23
See also topology. In an HP StorageWorks switch environment, an SFP or GBIC receptacle on a switch to which an optic cable for another device is attached. In Fabric OS, a port address can be defined by a domain and port number combination or by area number. In an ESCON Director, an address is used to - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 24
: ARB, OPN, and CLS. MRK is used in arbitrated loop. principal switch The first switch to boot up in a fabric. Ensures unique domain IDs among roles. private device A device that supports arbitrated-loop protocol and can interpret 8-bit addresses but cannot log in to the fabric. private key The - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 25
between any edge switch and the center of a fabric. A low-radius network is better than a high-radius network. Redundant array of independent disks Service. Refers to Brocade-specific ILS command code. RCS Stage Fabric Config. Refers to Brocade-specific ILS command code. Route control. The first 8 bits - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 26
R_RDY RR_TOV RSCN R_T_TOV RTWR running disparity RW RX RX_ID SAN SAN architecture SAN port count SCA Two or more switches acting as a core to interconnect multiple edge switches. Nodes attach to the edge switches. See also edge switch. The N_Port with which an exchange originator attempts to - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 27
is sent from the switch to the Nx_Ports. SCR State change registration. An event that occurs when the Extended Link Service (ELS) requests that the fabric switch. sectelnet A protocol similar to telnet but with encrypted passwords for increased security. Secure Fabric OS An HP StorageWorks - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 28
and exists at a well-known address. Also called directory service or name server. The mode that is entered by using the -s option of the Fabric OS firmwareDownload command. In the HP StorageWorks Core Switch 2/64, SAN Director 2/128, and 4/256 SAN Director, Single CP Mode enables a user to upgrade - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 29
4.1, software used to support encrypted telnet sessions to the switch. SSH encrypts all HP switches using QuickLoop. Stitch The code name given to the first-generation Fabric ASIC. This is the ASIC that is used in the Fibre Channel Storage Switch 8 and Fibre Channel Storage Switch 16 switches - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 30
with creating standards for Fibre Channel. tachyon A chip that supports FC-0 through FC-2 on a single chip. target A storage 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 - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 31
trunking group A set of up to four trunked ISLs for HP StorageWorks SAN Switch 2/8-EL, 2/8V, 2/16, 2/16V, 2/32, Core Switch 2/64, and SAN Director 2/128; a set of up to eight trunked ISLs for HP StorageWorks SAN Switch 4/32 and 4/256 SAN Director. trunking ports The ports in a set of trunked ISLs - HP StorageWorks 2/64 | HP StorageWorks Fabric OS 5.x Master Glossary (AA-RW7NA-T - Page 32
and stored on the switch. workstation A computer Write timeout value. An ELS field that appears in Port location on a switch (for example, Domain_ID may be defined as a port on a switch or a World Wide Name. A zone member can switches or hubs that allows segmentation of a node by physical port,
HP StorageWorks
Fabric OS 5.x master glossary
Part number: AA
−
RW7NA
−
TE
First edition: September 2005