HP StorageWorks 2/128 Brocade Glossary (53-1000040-03, November 2006)
HP StorageWorks 2/128 - SAN Director Switch Manual
![]() |
View all HP StorageWorks 2/128 manuals
Add to My Manuals
Save this manual to your list of manuals |
HP StorageWorks 2/128 manual content summary:
- HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 1
Glossary Supporting Fabric OS v5.2.0 Publication Number: 53-1000040-03 Publication Date: 9/29/2006 - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 2
other brands, products, or service names are or may be trademarks or service marks of, and are used to identify, products or services of their respective owners. of the programming source code, please visit http://www.brocade.com/support/oscd. Export of technical data contained in this document may - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 3
-0000369-02 53-1000040-01 53-1000040-02 53-1000040-03 Summary of Changes New document. Added FICON® terms. Added Fibre Channel Routing Services and FCIP definitions. Minor updates. Updated for Fabric OS v5.2.0, including IPSec and FCIP. Publication Date April 2003 October 2003 November 2005 April - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 4
- HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 5
reply. The normal reply to an Extended Link Service request (such as FLOGI), indicating that the request to customize zoning (appropriate for advanced SAN administrators who have the experience to perform manual zoning). See also Custom zoning and Typical zoning. AD zone database The zone database - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 6
indicate that the port is arbitrating access to the loop. arbitrated loop A shared 100-Mbit/sec Fibre Channel transport structured as a loop. Can support up to 126 devices and one fabric attachment. See also topology. arbitration A method of gaining orderly access to a shared-loop topology. area - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 7
regardless of which version is older. Autoleveling downloads the firmware to the blade, swaps partitions -versa. See also Fibre Channel Routing Services, translate phantom domain, and phantom device EZ instead of Web Tools. Basic User mode is supported only on SilkWorm 200E and 3250 switches. BB See - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 8
Glossary BER Bit error rate. The rate at which bits are expected to be received in error. Expressed as the ratio of error bits to total bits transmitted. See also error. BISR Built-in self-repair. BIST Built-in self-test. bit synchroniza- tion The condition in which a receiver is delivering - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 9
the E_Ports. Includes acknowledgement of data delivery or nondelivery. class of A specified set of delivery characteristics and attributes for frame delivery. service CLI Command-line interface. An interface that depends entirely on the use of typed commands, such as through a terminal connection - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 10
entire 8-bit address space and directly uses the port number as the area_ID. It supports up to 256 ports per switch. See also VC Encoded PID, native PID, and between ports. See also BB_Credit and EE_Credit. CSCN Common services connection framework. Custom zoning In EZSwitchSetup, a zoning option - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 11
parameters such as the subnet mask and default router, and to provide other configuration information such as the addresses for printer, time and news servers. DHCPD Dynamic Host Configuration Protocol daemon. digital certificate An electronic document issued by a CA (certificate authority - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 12
automatically assigned by the principle switch but can be assigned manually. See DLS. E E_D_TOV E_Port ECCN edge fabric EE_Credit by a recipient port to an originating port. Used by Class 1 and 2 services to manage frame exchange across the fabric, between source and destination. See also BB_Credit - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 13
. ELSs are sent to the destination N_Port to perform the requested function or service. ELS is a Fibre Channel standard that is sometimes referred to as "Fibre Channel Physical (FC_PH) ELS." EM Environmental monitor. A daemon in the Fabric OS that - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 14
reboot your servers. Extended edge PID is supported in Fabric OS v2.6.x, v3.1.x, and v4 a fabric. count fabric services Codes that describe the a failover occurs caused by a problem detected in the active CP, the Multiple failovers occur during the firmware download process, because when new firmware - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 15
with the SilkWorm 48000 (CP4) control processor blades. It does not support L_Port attachments. FCIP Fibre Channel over IP. FCIP Tunneling Service A routing service that enables SANs to span longer distances than could be supported with native Fibre Channel links. FCIP is a TCP/IP-based tunneling - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 16
at 100 Mbit/sec. FDMI Fabric-Device Management Interface. FDMI is a database service provided by the fabric for Nx_Ports. The primary use is by HBA devices that and storage devices. Unlike IP and Ethernet, Fibre Channel was designed to support the needs of storage devices of all types. It is a high - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 17
parameters with it. See also PLOGI. FR4-18i An application processor blade with 16 x 4Gbit/sec FC ports and 2 x 1Gbit/sec Ethernet ports.This blade supports FCIP and Fibre Channel Routing Services and is available for the SilkWorm 48000 director in chassisConfig mode 5. See also FCIP Tunneling - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 18
Gigabit Ethernet (GbE) ports available on the SilkWorm 7500 and FR4-18i blade. These ports support the FCIP and Fibre Channel Routing Services features with link speeds up to 1 Gbit/sec. Each GbE port can support up to 8 FCIP tunnels. Each FCIP tunnel is represented and managed as a Fibre Channel - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 19
. See also ISL. host A computer system that provides end users with services such as computation and storage access. hot swappable A subsystem component, such maintain bit, byte, and word synchronization. Internet Fibre Channel Protocol. Supports Fibre Channel Layer 4 FCP-Over-TCP/IP. It is a - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 20
dropped. IPSec A framework of open standards to ensure private, secure communications over Internet Protocol (IP) networks through the use of cryptographic security services. See also IKE and SA. IQN iSCSI Qualified Name. An iSCSI address that uniquely identifies an iSCSI device on the network. It - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 21
Glossary iSCSI Internet SCSI (Small Computer System Interface), an Internet Protocol (IP)-based storage networking standard. By carrying SCSI commands over IP networks, iSCSI is used to facilitate data transfers over intranets and to manage storage over long distances. iSCSI PDU Protocol Data - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 22
, to display the fabric shortest path first (FSPF) cost of a link, use the linkCost command. See also ISL, IFL, and FSPF. Link Services A protocol for link-related actions. LIP Loop initialization primitive. The signal used to begin initialization in a loop. Indicates either loop failure or SAN - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 23
Glossary loop failure Loss of signal within a loop for any period of time, or loss of synchronization for longer than the timeout value. Loop_ID A hexadecimal value representing one of the 127 possible AL_PA values in an arbitrated loop. loop The logical procedure used by an L_Port to discover - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 24
A type of fiber optic cabling that is based on 1310-mm lasers and supports link speeds of 1.0625, 2.125, and/or 4.25 Gbit/sec. Can Management Server daemon. Monitors the MS. Includes the Fabric Configuration Service and the Unzoned Name Server. mSet See migration set. 20 Brocade Glossary Publication Number - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 25
also NL_Port, Nx_Port. Name Server Simple Name Server (SNS). A switch service that stores names, addresses, and attributes for up to 15 minutes and and ACL parameters. Nondisruptive configuration download is independent of the hardware platform and supported on all hardware platforms running - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 26
to connect an FC Router to a backbone fabric. NS Name Server. The service provided by a fabric switch that stores names, addresses, and attributes related to potentially contend for a resource than the resource could simultaneously support (typically an ISL). Oversubscription could be a desirable - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 27
Channel frame has a header and a payload. The payload contains the information being transported by the frame; it is determined by the higher-level service or FC_4 upper-level protocol. There are many different payload formats, based on protocol. See also header. PBC Port bypass circuit. A circuit - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 28
specific source and destination port traffic passing though any switch port, in other words, it enables non-disruptive traffic analysis. Port mirroring is supported between VE_ports (VE_Port to VE_Port) with FCIP and no routing, and over VEX _Ports and EX_Ports. The mirror port can be any port - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 29
by the lowest switch WWN, the fabricPrincipal command, or the order in which the switches are cabled and powered on. 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 secret half of a key pair. See - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 30
pstate Port State Machine. PSU Power supply unit. public device A device that supports arbitrated-loop protocol, can interpret 8-bit addresses, and can log in to controller. QuickLoop Fabric Assist. Arbitrated-loop technology. Quality of service. A mechanism for each AL_PA address that allows for - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 31
. repeater A circuit that uses a recovered clock to regenerate and transmit an outbound signal. request rate The rate at which requests arrive at a servicing entity. resilience The ability of a fabric to adapt to or tolerate a failure of a component within the fabric. resilient core/ Two or more - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 32
be notified of state changes in other N_Ports and NL_Ports. This registration is performed using the State Change Registration (SCR) Extended Link Service. An N_Port or NL_Port can issue an RSCN to the fabric controller without having completed SCR with the fabric controller. Reliable transport with - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 33
that the port is online or is an Fx_Port, not what is sent from the switch to the Nx_Ports. SCR State change registration. Extended Link Service (ELS) requests the fabric controller to add the N_Port or NL_Port to the list of N_Ports and NL_Ports registered to receive the Registered State Change - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 34
sets that marks the beginning of a frame and indicates the class of service the frame will use. software enforced zoning This method of zoning is row. SSH Secure shell. Used starting in Fabric OS v4.1.x to support encrypted telnet sessions to the switch. SSH encrypts all messages, including the - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 35
using digital certificates. See also authentication and digital certificate. 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 Gbit/sec link speeds. Can also refer to the type of GBIC or SFP. See also LWL. syslogd Syslog daemon - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 36
with active LSANs defined. See also Fibre Channel Routing Services and phantom device. Translative A mode in which private devices to a destination domain. Bloom-based switches supported trunk groups of up to four ISLs. Condor- and GoldenEye-based switches support trunk groups of up to eight ISLs. - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 37
defined by the SilkWorm 1000 series. Connections to these switches are not supported in Fabric OS v4.0.0 and later. See also native PID, core PID 18i blades, an FCIP connection is established between them. See also FCIP Tunneling Service and GbE port. A type of VE_Port that connects an FC router to - HP StorageWorks 2/128 | Brocade Glossary (53-1000040-03, November 2006) - Page 38
Glossary W WAN Wide area network. WAN_TOV Wide area network timeout value. well-known In Fibre Channel technology, a logical address defined by Fibre Channel standards as assigned to a address specific function and stored on the switch. workstation A computer used to access and manage the fabric.
![](/manual_guide/products/hewlettpackard-aa979a-brocade-glossary-53100004003-2006-730c71a/1.png)
Publication Number: 53-1000040-03
Publication Date: 9/29/2006
Glossary
Supporting Fabric OS v5.2.0