Compaq StorageWorks 64 FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a
Compaq StorageWorks 64 - SAN Director Switch Manual
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- Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 1
glossary hp StorageWorks directors and edge switches Product Version: FW V05.01.00-24/HAFM SW V07.01.00-09 First Edition (June 2003) Part Number: AA-RU5JA-TE This glossary defines terms used in manuals that support HP StorageWorks directors and edge switches. - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 2
in the express limited warranty statements for such products. Nothing herein should be construed as constituting an additional warranty. Printed in the U.S.A. Directors and Edge Switches Glossary First Edition (June 2003) Part Number: AA-RU5JA-TE - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 3
glossary Glossary This glossary defines terms used in manuals that support the following HP StorageWorks storage area network (SAN) products: Glossary ■ Director 2/64 ■ Director 2/140 ■ Edge Switch 2/16 ■ Edge Switch 2/24 ■ Edge Switch 2/32 The glossary includes terms that relate specifically to - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 4
replies. alarm Simple network management protocol (SNMP) message notifying an operator of a network or device problem. allowed connection In S/390 mode in a director or switch, the attribute that, when set, establishes dynamic connectivity capability. See also blocked connection, connectivity - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 5
active beaconing causes LEDs to flash for selected components. BER See bit error rate. bezel A removable panel that covers empty drive bays bit error rate (BER) - Ratio of received bits that contain errors to total of all bits transmitted. blocked connection In S/390 mode, in a director or switch - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 6
switch. B_Ports provide a subset of E_Port functionality. (2) A term for a physical interface between the fabric (switch HP Proactive Service software and enables the HAFM server to automatically transmit system events (failure information) to aN HP customer support center. The HP support and data can - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 7
Defines the level of connection dedication, acknowledgment, and other characteristics of a connection. Class 2, Class 3, and Class F services are supported. community name (SNMP) A name that represents a simple network management protocol (SNMP) community that the agent software recognizes as - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 8
switch to forward Class 2 or Class 3 frames as resources (ports) allow. Contrast this type of link to the dedicated bandwidth that is required in a Class 1 Fibre Channel Service A device that controls the reading, writing, or displaying of data at one or more input/output units. control unit port An - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 9
as a disk drive. datagram See Class 3 Fibre Channel service. data directory Directory that contains critical information for all managed products (including directors and switches). Information stored here includes: ■ All configuration data ■ All log files ■ Call-home settings ■ Firmware library - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 10
switched fabric. The director sends data transmissions (data frames) between nodes in accordance with the address information present in the frame headers of those transmissions. DNS name Domain name system (or domain name service Manager application and supports director configuration, statistics - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 11
, and port problems. expansion port (E_Port) - Physical interface on a Fibre Channel switch within a fabric that attaches to an expansion port (E_Port) on another Fibre Channel switch to form a multiswitch fabric. See also segmented E_Port. explicit fabric login Data field size, supported by an - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 12
buffer-to-buffer credit (BB_Credit) and data frame size, are also established. fabric services The services that implement the various Fibre Channel protocol services, which are described in the standards. These services fiber Physical media types supported by the Fibre Channel Switches Glossary - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 13
(SFP) fiber optic transceivers. FICON An IBM set of products and services introduced in 1999 that is based on the Fibre Channel Standard. FICON technology 1 Gbps bidirectional data transfer). FICON Management Server An optional feature that can be enabled on the director or switch through the Product - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 14
serviceability. High Availability Fabric Manager application (HAFM) - Application that implements the management user interface for HP Fibre Channel switching applications. hop Data transfer from one fabric node to another node. homogeneous fabric A fabric consisting of only HP products. See also - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 15
used to connect the HAFM server and the directors it manages. IML See initial machine load. inband management Management of the director or switch through a Fibre Channel connection to a port card. See also out-of-band management. information message Software message that indicates to a user that - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 16
device, latency refers to the amount of time elapsed between receipt of a data transmission at a switch's incoming F_Port (from the originating node port) to retransmission of that data at the switch's outgoing F_Port (to the destination N_Port). LIN See link incident. link Physical connection - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 17
on HP directors instructions for hardware fault isolation, repair, and verification. maintenance port Connector on the director where a PC running an ASCII terminal emulator can be attached or a dial-up connection can be made for specialized maintenance support. Directors and Edge Switches - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 18
application. For example, the Director 2/64 and the Edge Switch 2/32 are managed products. See Services runs only on the HAFM server and cannot be downloaded to remote workstations. management session A management session exists when a user logs on to the HAFM server. The HAFM application can support - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 19
a Fibre Channel frame. nondisruptive maintenance Ability to service FRUs (including maintenance, installation, removal and replacement it is attempting to initialize a link and has detected a problem in doing so. offline state When the switch or director is in the offline state, all the installed - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 20
to log in to the fabric and begin communicating. Devices can connect to the switch or director if the port is not blocked and can communicate with another attached and open communications server, distributed data and file services, parallel Sysplex support, object-oriented programming, distributed - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 21
(POST) - Series of self-tests executed each time the unit is booted or reset. preferred domain ID Domain ID that a director or switch is assigned by the principal switch in a switched fabric. The preferred domain ID becomes the active domain ID except when configured otherwise by the user. principal - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 22
examples of remote notification programs that can be implemented on director-class switches. remote user workstation Workstation, such as a PC, using the HAFM Radio frequency interface shield (S/390 mode only). SAN See storage area network. SBAR See serial crossbar assembly. 22 Directors and Edge - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 23
with the correct SNMP community name. SSP See system services processor. storage area network (SAN) - A high-performance data communications environment that interconnects computing and storage resources so that state, and the active FRU to the backup state. Directors and Edge Switches Glossary 23 - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 24
Control for MVS, ESCON Manager, and Target System Control Facility. system services processor (SSP) Controls the RS-232 maintenance port, the Ethernet port, provides details of threshold alert notifications for an individual director or switch. The log displays the date and time an alert occurred - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 25
manufacturer. VPD See vital product data. warning message Software message that indicates a possible error was detected. See also error message and information message. wrap plug See loopback plug. World Wide Name (WWN) - Eight-byte address that uniquely identifies a switch, or a node (end device - Compaq StorageWorks 64 | FW 05.01.00 and SW 07.01.00 HP StorageWorks Directors a - Page 26
Glossary zone set See also zone. zoning Grouping of several devices by function or by location. All devices connected to a connectivity product, such as the director, may be configured into one or more zones. See also zone. 26 Directors and Edge Switches Glossary
glossary
hp
StorageWorks
directors and edge switches
Product Version:
FW V05.01.00-24/HAFM SW V07.01.00-09
First Edition (June 2003)
Part Number:
AA-RU5JA-TE
This glossary defines terms used in manuals that support HP StorageWorks directors
and edge switches.