SAN terminology Reference Table
SAN Glossary (A - G)
ABTS (suspension of basic link services)
ACC (link service to accept response): the extended link service requests (such as FLOGI) normal response, that request has been accepted.
Access fairness (fair access): a process for the protection of competition, the node can access to the arbitration loop.
Access method (access methods): access to the physical network to transfer data
ACK (acknowledgment frame): for end to end flow control, to the Class-1 and Class-2 to connect one or more frames that confirm the successful reception
Active copper (copper activities): allows devices to connect to 33 meters from the copper connection
Address identifier (address identifier): a 24-bit number, used to indicate the link-layer address of communications equipment. Frame header of each data frame identifier in the two addresses were used to identify the source ID and destination ID.
Alias server (alias server): a recommended standard, FC-PH-3 components. It uses the well known address FFFFF8, and maintain an identifier mapping table to support the multicast group management.
AL_PA (Arbitrated Loop Physical Address): an 8-bit value, used to identify access to the arbitration loop equipment.
AL_TIME (Arbitrated Loop Timeout value): In the worst case network conditions, the time required for broadcasting a double word value. The default value is 15 milliseconds (ms).
ANSI (American National Standards Institute): The United States standard authorities.
ARB (arbitration of the original language): only for the arbitration loop topology, as the node loop port (L_Port) fill word transmission, indicating that the node can access to the loop.
Arbitrated Loop (Arbitrated Loop): a shared 100 Mbps Fibre Channel transmission link, to support 126 devices and one to the architecture of the access port, the port of Arbitrated Loop Physical Address (AL_PA) smaller the value, its priority higher.
Arbitration (arbitration): address of the shared loop topology of the competition, a reasonable allocation of link resources.
ARP (Address Resolution Protocol): TCP / IP protocol as an integral part of IP address used to convert the Ethernet address (ie link layer MAC address).
ASIC (application-specific integrated circuits)
ATM (Asynchronous Transfer Mode): A high-speed packet switching technology, used by local area network or wide area network data, the data packet has a fixed length. It provides network connectivity between any two points, and each node can transmit data simultaneously.
Bandwidth (bandwidth): cable, chain or system transfer data.
BB_Credit (buffer to buffer credit number): one can be used to determine the number of frames sent to the receiver data.
Broadcast (Radio): The structure of a packet sent to port all the N_Port
Bypass circuitry (bypass circuit): When the valid signal is lost during transmission, the use of the circuit auto-bypass signal path on a device.
CAM (content addressable memory)
Camp on recommended as the optimal structure of the connection request queue means, so that the order of connection requests received more reasonable.
Cascade (Cascade): connecting two or more Fibre Channel hubs or switches to increase the number of ports and expansion of network coverage. Usually the maximum number of seven cascades. But the SilkWorm 1000 switch cascade number up to 32, SilkWorm 2000 switch is as high as 239.
CDR (Clock and Data Recovery Circuit)
CEConformit? Europ?enne.
Channel (Channel): point to point links for data transmission from the network point to another point.
CIM (Common Information Model): a management structure that allows the use of a general program management of various different resources.
Class 1 connection oriented service level, need to send and receive frame confirmation.
Class 2 a connectionless service level, the need for N_Port port to send and receive frames between the confirmation.
Class 3 a connectionless service level, the port without the need of the N_Port the frame between the sending and receiving confirmation.
Class 4 a kind of connection-oriented service levels, allowing the use of some of the bandwidth virtual circuit.
Class 6 connection-oriented multicast services. Mainly for the central server and client video broadcasting.
Class F a connectionless service level, on the expansion port (E_Port) data transmission between the success or failure notification.
CLS (undo original language): only for the arbitration loop, from a port to send to another L_Port L_Port port for closing the existing connection, undo the dialogue.
Community (community): In the Simple Network Management Protocol (SNMP), the relationship between agent and management station set mainly on the authentication, access control, and the definition of agent properties.
Controller (Controller): A computer module for interpretation of signals between the host and peripheral controller is usually part of peripherals.
COS (service level)
CRC (cyclic redundancy check): a coding test method, used for data transmission error detection and correction.
Credit (credit value): that F / FL_Port port to the N / NL_Port ports provide the maximum amount of the value of the buffer to prevent N / NL_Port port to send too much data frame, the receiver buffer overflow.
Cut-through (shortcut exchange): a switching technology that allows the purpose of obtaining the frame immediately after the addresses to make routing decisions.
Datagram (packet): A Class 3 Fibre Channel service that allows to quickly send data to multiple devices connected with the structure without the need to receive confirmation.
Dedicated simplex (Special Single): Allow an N_Port port to maintain a Class 1 connection in the same time, as the initiator port initialization and the dialogue between the other N_Port.
Disparity (Special Single): Allow an N_Port port to maintain a Class 1 connection in the same time, as the initiator port initialization and the dialogue between the other N_Port.
DLS (dynamic load balancing): Fx or E_Port port allows re-calculation of route changes.
Domain ID (field identifier): for the SilkWorm 2000 series switches assigned a unique number between 1-239, for the structure, said the switch.
DWDM (dense wavelength division multiplexing): see wave division multiplexing, allows sharing of optical waves of different wavelengths.
E_D_TOV (fault detection timeout value): an operation can allow the maximum time of data back and forth over this time still no response, that is error.
EE_Credit (end to end credit value): not confirmed the maximum number of frames, the two communication devices for the management of the exchange between the frames.
EIA (Electronic Industries Association)
8b/10b encoding (8b/10b encoding): A coding scheme, an 8-bit bytes are encoded in two 10-bit characters, for the balance of high-speed bit stream number of 1 and 0.
ELP (extended-link process)
Emulex host bus adapter brand
EOF (frame terminator): a fixed bit sequence, marking the end of the frame.
E_Port (expansion port): used to connect two switches.
Exchange (Exchange): high-level Fibre Channel mechanism used for one-way between the two N_Port port or two-way communication.
Fabric (exchange): high-level Fibre Channel mechanism used for one-way between the two N_Port port or two-way communication.
FAN (notification framework): the loop re-initialization, save Arbitrated Loop Physical Address and structure of the address (requires switch support).
F_BSY (port busy frame structure): send this frame structure, said structure or purpose of the N_Port port as busy and can not send the data work.
FCA (Fibre Channel Association)
FC-0 Fibre Channel network to the bottom of the physical media.
FC-1 This layer includes 8b/10b encoding scheme.
FC-2 This layer is responsible for framing and protocol, frame structure, sequence / exchange management and use of a fixed character set.
FC-3 This layer includes a node for multiple N_Port port of the universal service.
FC-4 This layer is responsible for dealing with standards and configuration file, services in the upper layer protocol (such as SCSI and IP) to the Fibre Channel protocol mapping work.
FC-AL (Fibre Channel Arbitrated Loop)
FC-AV Fibre Channel Audio Visual.
FC-CT (Fibre Channel Common Transport)
FC-FG (Fibre Channel General requirements)
FC-FLA (Fibre Channel loop access)
FC-GS (Fibre Channel Generic Services)
FC-GS-2 (second generation Fibre Channel Generic Services)
FC_IP (IP protocol for Fibre Channel)
FC-PH (Fibre Channel Physical Protocol): used for FC-0, FC-1 and FC-2 layer of the physical and signaling protocol, and also on the signaling link, physical media types and speeds were provided.
FC-PH-2 (second-generation physical interface)
FC-PH-3 (third-generation physical interface)
F_RJT (architecture port refused to frame): send a command frame structure, used to indicate the frame to send the request was denied. Reasons for rejection may not support the service level, frame header is invalid or not available N_Port port.
FC_SB (Fibre Channel single-byte)
FC-SW (Fibre Channel switch fabric): provides for the interconnection and initialization of Fibre Channel switches, tools and algorithms to a multi-switch Fibre Channel architecture.
FC-SW-2 (second generation Fibre Channel switch fabric): provides for the interconnection and initialization of Fibre Channel switches, Fibre Channel switches to form the multi-structure algorithms and tools.
FC_VI (Fibre Channel Virtual Interface)
FCC (Federal Communications Commission)
FCIA (Fibre Channel Industry Association): The task is to Fibre Channel product training and marketing.
FCLC (Fibre Channel loop Societies)
FCP (Fibre Channel Protocol): Defines the SCSI interface to the Fibre Channel mapping.
FDDI (Fiber Distributed Data Interface): American National Standards Institute (ANSI) to develop the network architecture standards MAN, FDDI network built on fiber, can provide 100 megabits per second transmission capacity.
FFFFF5Class 6 multicast server known Fibre Channel address
FFFFF6 clock synchronization server known Fibre Channel address
FFFFF7 secure key distribution server, known Fibre Channel address
FFFFF8 alias server known Fibre Channel address
FFFFF9 Quality of Service (QoS) providers, known Fibre Channel address
FFFFFA management server known Fibre Channel address
FFFFFB time servers known Fibre Channel address
FFFFFC directory server known Fibre Channel address
FFFFFD structure known Fibre Channel address of the controller
FFFFFEF_Port known port Fibre Channel address
FFFFFF known broadcast address
Fill word known broadcast address
FL_Port (architecture loop port): used to loop connected to the structure, need to enable optical loop interface card LED. It is the loop NL_Port entrance port access infrastructure.
Flash (Flash): A programmable NVRAM memory, which can save data.
FLOGI (architecture login): node logic switch connected to the structure of the process.
F_Port a kind of framework with the N_Port port connection port.
Fractional Bandwidth (part of the bandwidth): Use the link part of the bandwidth of data transmission, each N_Port port up to 254 Class 4 connections.
Frame (frame): the definition for network transmission and data unit, the frame starting delimiter (SOF), frame header, data portion, cyclic redundancy check (CRC) and frame terminator (EOF) of several parts. Data part of the length of 0-2112 bytes, CRC length is 4 bytes.
FRU (field-replaceable unit): failure to replace the parts.
FSP (Fibre Channel Service Protocol): used for all services in common FC-4 level agreements, and transparent in structure type and network topology.
FSPF (Fabric Shortest Path First Protocol): A Fibre Channel switch for routing protocols.
Full duplex (full duplex): In a connection at the same time to send and receive data.
Full fabric citizenship (all structure members): You can log on to the name service loop equipment
Gateway (Gateway): the network used to connect incompatible equipment, software and hardware to provide the necessary conversion work.
GBIC (Gigabit Interface Converter): a removable transceiver modules provide Gigabit Fibre Channel and the transition between the physical layer.
Gbps Gigabit per second
GBps Gigabytes per second
Gigabit1, 062,500,000 bits
GLM (Gigabit Link Module): A semi-transparent transceiver with a serial / string and conversion functions.
G_Port (Universal Port): Support E_Port port or port function F_Port
GUI (Graphical User Interface)
SAN Glossary (H - N)
HBA (host bus adapter) server or workstation bus and the interface between the Fibre Channel network.
HiPPI (High Performance Parallel Interface): A 800Mbit/sec interface, usually used for super-computer environment.
Hot swappable (hot replace): you can power-up state for replacement parts.
HSSDC high-speed serial data connection
HTTP (Hypertext Transfer Protocol): used for World Wide Web (WWW) standard TCP / IP transport protocol.
Hub (Hub): Fibre Channel line connector loop topology is used to shrink as the star topology. Hub can automatically identify an activity node, and added to the loop, and stop working was out of the loop node.
Hunt Group (looking for group): an alias ID registration number N_Por port to its route structure to the free port.
Idle (Idle): When the link is no need to transfer data, send a continuous fixed binary sequence of activities to maintain the link. Also used to maintain bit, byte and word synchronization.
In-band (Band): In the fiber channel protocol for managing data transmission.
Initiator (boot device): In the Fibre Channel network, storage devices with the initiation of the transaction between the parties, can be a server or workstation.
Intercabinet (cabinet room layout): Copper set up a standard that allows connection between the cabinet up to 33 meters distance.
Intermix (mixed): Class 1 connection to allow the idle bandwidth is used for Class 2 or Class 3 connections.
Interswitch (inter-switch links): See ISL
Intracabinet (cabinet wiring): Copper set up a standard that allows the cabinet wiring length 13 meters.
IOD (ordered to send): a set parameters to ensure that each frame in order to send, otherwise discard the frame.
IP (Internet Protocol): TCP / IP protocol component is responsible for the host address and network-related work.
IPI Intelligent Peripheral Interface
ISL (inter-switch links): between the two switches connected through E_Port port.
Isolated E_Port (isolation E_Port port): ISL connection exists, but because of overlapping domain ID or no ID parameters such as E_D_TOV, which led to the switch without a data transfer, this time it is in isolation E_Port port.
ISP (Internet Service Provider)
Jaycor a host bus adapter brand
JBOD (disk bundle): number of disks are configured as a unit of arbitration loop.
Jitter (Jitter): When the byte stream through the physical media, the time synchronization offset.
A special 10-bit K28.5 character is used to indicate the beginning of Fibre Channel command frame.
LAN (Local Area Network): transmission distance is less than 5 km network.
Latency (store and forward time): a network device data frames in the stay in the time frame to reach from the device to be forwarded between the time-consuming.
LED (light emitting diode): A status indicator in the switch, usually yellow, green and two states.
Link (Link Control Device): a terminal card, different modes of Fibre Channel physical and logical link control.
LIFA (Circle the initial structure of distribution frame): contains the framework for the distribution of all arbitration loop physical address (AL_PA) bitmap is selected loop initialization process after temporary loop master controller sends the first frame .
LIHA (loop initialization hard assigned frame): a bit sequence from the allocation of arbitration, said the hard-loop physical address (AL_PA), a loop initialization process after selection of the temporary loop master controller sends the third frame .
LILP (loop initialization hard assigned frame): a bit sequence from the allocation of arbitration, said the hard-loop physical address (AL_PA), a loop initialization process after selection of the temporary loop master controller sends the third frame .
Link (link): a two-way, point to point serial data channel.
LIP (loop initialization process): for loop address, instruction loop failure or restart the node method.
LIPA (loop initialization pre-allocation): in the last loop initialization process logged into the device structure is marked in the frame a bit.
LIRP (loop initialization report position of the frame): the loop initialization process, all L_Port AL_PA address port selected to send its first frame. The frame is sent after the inspections in the loop to collect all L_Port port relative physical location information. The frame is optional frame.
LISA (loop initialization software distribution frame): the loop initialization process to send the fourth frame. The frame selected after a temporary loop master controller to send.
LISM (loop initialization master controller select the frame): the loop initialization process, when L_Port port selection arbitration loop physical address (AL_PA) when sending the first frame.
Login server (log server): the logon request unit.
LoomBrocade second-generation architecture-specific integrated circuit (ASIC) of the Code. Second-generation ASIC architecture for the SilkWorm 2xxx series switches.
Looplet (small loop): from architecture to connect the private arbitration loop.
LPB (loop port bypass): from a node loop port (L_Port) to send the original language sequence, used to bypass the other it points to the node loop port. Only for the arbitration loop.
LPE (loop port enabled): sent by a node loop port sequence of the original language is used to activate the original language by LPB another node loop port bypass, only for the arbitration loop.
L_Port (node loop port): the port in support of arbitration agreements loop
LPSM (loop port state machine): Monitoring and implementation of initialization tasks and access to the structure of a logic. By the node loop port management to track the different stages of loop operation status.
LR (Link Reset): a primitive sequence, in two N_Port port (Point to Point topology), or an N_Port port with a F_Port port (architecture topology) link between the use of the initialization process. Expectations agreed to a LRR primitive sequence (see below).
LRR (Link reset response): a primitive sequence, in two N_Port port (Point to Point topology), or an N_Port port with a F_Port port (architecture topology) link between the use of the initialization process, as LR primitive sequence in response to expectations of a free response.
LWL (Long Fiber): Connector color code is blue laser based on 1300 mm, support 1.0625 Gbit / s link speed.
MAN (MAN)
Mbps (megabits / second)
MBps (megabytes / sec)
Metric (step): A relative value assigned to the router, used to help calculate the shortest path.
MIA (media interface adapter): the connection between the optical fiber to copper conversion equipment.
MIB (Media Interface Adapter): the connection between the optical fiber to copper conversion equipment.
MRK (marker of the original language signal): only for the arbitration loop, sent by the L_Port port for sending and receiving side to achieve synchronization. Different manufacturers have different definitions of the signal.
MTBF (mean interval between failure)
Multicast (Multicast): a limited broadcast, send information to the network port on a group of N_Port.
Multimode (multimode fiber): a fiber size that allows the transmission distance between devices to 500 meters.
Name Server / Service (multi-mode fiber): a fiber size that allows the transmission distance between devices to 500 meters.
NAS (network storage device): a disk array connected to the controller through the controller access to the LAN.
NDMP (Network Data Management Protocol): used for tape backup, without taking up server resources.
NIC (network interface card)
NL_Port (node loop port): Support for Arbitrated Loop protocol port.
Node (node): Fibre Channel devices support one or more ports.
Node name (node name): A node assigned to the Fibre Channel 64-bit identifier.
Non-OFC a laser transceiver, because of its low intensity without the need for open fiber control.
Nonparticipating Mode (multi-join mode): When access to the loop in the device more than 127, making it impossible to obtain the physical address of the arbitration loop, then into this mode.
NOS (not primitives, sequence): a primitive sequence, in two N_Port port (Point to Point topology), or an N_Port port with a F_Port port (architecture topology) link between the use of the initialization process. The primitive sequence for the port to detect link failures to send or receive up not loop.
N_Port (N_Port port): framework or point to point connection of Fibre Channel ports.
SAN Glossary (O - Z)
OFC (Open Architecture Control): A permit or prohibit the high-intensity laser transceiver, the method of laser signals.
OLS (offline primitive sequence): a primitive sequence, in two N_Port port (Point to Point topology), or an N_Port port with a F_Port
Port (architecture topology) link between the use of the initialization process. The primitive sequence that is trying to initialize the port to send a link has been identified NOS primitive sequence, or about offline. The expected response for the link reset primitives (LR).
OLTP(?????????)
??? Operation(???)?????C-2??????????????br />
??? OPN(????????????)??????????????????????????L_Port ??????????????????????????????
??? Ordered set(??????????????????????????????????????????????????????????????????????br />
??? Originator (?????????????? N_Port ???
??? Out-of-band(???)???????????????(???????????????????????????????br />
??? OX_ID (????????????)???????????????????????????????????????
??? Parallel(???)???????????????????????br />
??? Participating Mode(??????)??_Port ??????????????? L_Port ?????????????????????????????????
??? Passive copper A low-cost copper fibre channel connection allowing distances up to 13 meters (14 yards) between devices.
??? PBC (?????????)??????????????????????????????????????????????????????
??? PLDA(????????????)????????????
??? PLOGI????????????????????????????????????????????br />
??? Point to Point(?????????????????????????????
??? Port(???)?????????????????????????????????
??? Port Log(??????)?????????????????????
??? Port Log Dump(?????????)???????????????????????????????????????
??? Port name(?????????????????????????4????????br />
??? POST(??????)???????????????????????br />
??? Primitive sequence(??????)???????????????????????????????????????????????????????????????????????br />
??? Primitive signals (??????)????????????????????????????????????????????????????????Idle)?????R_RDY)?????????????????ARB??PN??LS)???MRK??????????????br />
??? Private device(??????)?????????????????????????????????????br />
??? Private loop(??????)?????????????????????
??? Private loop device(?????????)????????????????????????
??? Private NL_Port(??? NL_Port ???)?????????????????? NL_Port ?????????????????????????????????????????br />
??? PSU???
??? Public device(??????)??????????????????????????????
??? Public loop(??????)???????????????????????br />
??? Public loop device(?????????)??????????????????????????????
??? Public NL_Port(??? NL_Port ???)??????????????????????????? FL_Port ???????????N_Port ????????L_Port?????br />
??? Qlogic(??? NL_Port ???)??????????????????????????? FL_Port ???????????N_Port ????????L_Port?????br />
??? QoS(??????)
??? Queue(???)????????????????????????????????????????????????
??? QuickLoop(??????)??rocade ?????????????????????????????????????????????????????PLDA)??br />
??? RAID(????????????)?????????????????????????????????????????????????????????
??? R_A_TOV(????????????????????????????????????????????????????br />
??? Receiver(?????????????????????????????
??? Redundancy(???)?????????????????????????????br />
??? Remote switch(????????????????????????????????ATM????????????
??? Repeater(???????????????????????????????????
??? Responder(???????????????????????????????????
??? Retimer(??????)??????????????????????????br />
??? Route(???)????????????????????br />
??? R_RDY(??????????????????????????????????????
??? RSCN(?????????)???????????????????????????????????????????????????????????br />
??? R_T_TOV(?????????)????????????????????????????????br />
??? RX_ID(????????????)????????????????????????????????????????????br />
??? S_ID(??D)?????????????????????????????????????????br />
??? SAN(??????????????????????????????????????????????????????????br />
??? SCR(?????????)??????????????????????????? RSCN ?????br />
??? SCSI(???????????????????????????????????????????5-25????????????????????br />
??? SCSI-2???????????????
??? SCSI-3???????????CSI????????br />
??? SEQ_ID(???????????????????????????????????????????????????????br />
??? Sequence(??????????? N_Port ????????? N_Port ?????????????????br />
??? Sequence initiator(?????????????????????????? N_Port ?????br />
??? Sequence recipient(???????????????????? N_Port ?????br />
??? SERDES(????????????)?????????????????????????????????????????br />
??? Serial(???)???????????????????????????
??? Server(???????????????????????????????????????????br />
??? SES(SCSI????????????)??CSI????????????????????????????????????????????br />
??? SilkWormBrocade ???????????????
??? Single mode(??????)????????????????????????????????0?????br />
??? sLink service(sLink ???)???????????? N_Port ????????N_Port ??????????????????/????????????????????br />
??? SMI(?????????)???????????????????????????(SNMP)???????????????
??? SNMP(????????????)??CP/IP??????????????????TCP/IP??????????????????????????????
??? SNS(??????????????)?????????????????????????????????????????????????????????????????????15????????????????°?
??? SOF (??????)??????????????????????????????
??? SoIP(IP??????SCSI???)
??? SONET(?????????)?????????????????????????????????????????br />
??? Special character(??????)?????0????????????????????????????????????????????????????????????????????????????????????????
??? SRM(?????????)?????????????????????
??? Stealth mode(??????)????????????QuickLoop ?????????Brocade?????????????????????????????????
??? Storage(??????)??????????????????????????br />
??? Store-and-forward(??????)??????????????????????????br />
??? Striping(??????)?????AID?????????????????????????????????????????????
??? Switch(?????????????????????????????????????????????????????????????br />
??? SWL (??????)??????????????????850???????????.0625??????/???????????br />
??? T11(T11?????????????????????????????????????????????????br />
??? Tachyon??P?????????????????????????????????????????C-0??C-2??br />
??? Target(??????)??????????????????????????????
??? TCP/IP(?????????/??????)??nternet?????????
??? Telnet???TCP/IP????????????
??? Tenancy(??????)??????????????????????????????????????br />
??? Time server(???????????????????????????????????
??? Topology(???)??????????????????????????br />
??? TPC(??????????????????????????????????????
??? Transceiver(??????????????????????????????????????
??? Translative mode(??????)????????????????????????????°?
??? Transmission character(??????)??????????????????????????????
??? Transmission word(??????)??????????????????????????????
??? Trap(???)?????????????????????????????????????????????????????br />
??? TTL(????????????????????????????br />
??? Tunneling(??????)??????????????????????????????????????????????????????????????????????????????
??? U_Port (??????)??????????????????????????????????????????????????????????????????????????????
??? ULP (??????)???????????????FC-4?????????????????? SCSI??P??iPPI ??IPI ?????br />
??? Unicast(??????)???????????????FC-4?????????????????? SCSI??P??iPPI ??IPI ?????br />
??? VAR(????????
??? VCSEL(???????????????????????????????????????????br />
??? Virtual circuit(???????N_Port ??????????????????????????????????????br />
??? WAN(?????
??? WDM (?????
??? World-Wide Name??????????????????64?????????????????????????????br />
??? Zoning(???)??????????????????????????????????????????????????????????????????
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