HP StorageWorks 4/32 - SAN Switch Manuale - Pagina 5

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Class F
CLS
Controlled port
Community
Compact flash
Condor
Congestion
Controller
Core PID
COS
CRC
Credit
CRU
Cut-through
D
D_ID
Dark fiber
DAS
Brocade SAN Glossary
A connectionless class of service that gives notification of delivery or non-
delivery between E_Ports, used for control, coordination, and configuration
of the fabric.
Close Primitive Signal. Only in an Arbitrated Loop; sent by an L_Port that is
currently communicating on the loop, to close communication to another
L_Port.
A port that fulfils one of the following conditions: a) is a member of an AD,
either explicitly assigned or part of AD0 or b) the switch to which the port
belongs is a member of an AD.
A relationship in SNMP between an SNMP agent and a set of SNMP
managers that defines authentication, access control, and proxy
characteristics.
Flash (temporary) memory that is used in a manner similar to hard disk
storage. It is connected to a bridging component which connects to the PCI
bus of the processor. Not visible within the processor's memory space.
The code name given to the Brocade 4 Gbit/sec ASIC. This ASIC is used in
Brocade switches and directors.
The realization of the potential of over-subscription. A congested link is one
on which multiple devices actually are contending for bandwidth.
A computer module that interprets signals between a host and a peripheral
device. The controller typically is part of the peripheral device.
The default PID mode for Brocade 200E, 3016, 3250, 3850, 3900, and
4100 switches and Brocade directors. It uses the entire 8-bit address space
and directly uses the port number as the area_ID.
Class of service.
Cyclic Redundancy Check. A self-test for error detection and correction.
A numeric value that represents the maximum number of receive buffers
provided by an F/FL_Port to its attached N/NL_Port such that the N/NL_Port
can transmit frames without overrunning the F/FL_Port.
Customer Replaceable Unit. A component that can, upon failure, be replaced
by an end user.
A switching technique that allows a routing decision to be made as soon as
the destination address of the frame is received.
Destination identifier; a 3-byte field in the frame header used to indicate the
address identifier of the N_Port to which the frame is headed.
A leased fiber optic cable running between sites characterized by not having
a service provided on the wire by the leasing company; all services are
provided by the customer.
Direct-Attached Storage.
1/29/2008
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