IBM TotalStorage SAN140M, Installation And Service Manual

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SAN140M Installation and Service Manual 352
group of servers connected and named to simplify network
administration and security. (2) For TCP/IP applications, the naming
system used in a hierarchical network. (3) A Fibre Channel term
describing the most significant byte in the N_Port identifier of a Fibre
Channel device.
domain ID A number that uniquely identifies a director or switch in a
multiswitch fabric. A unique domain ID is automatically allocated to
each director or switch by the fabric’s principal switch. See also
preferred domain ID .
domain name system The online distributed database system used by the Internet to map
names to IP addresses. DNS servers connected to the Internet
implement a hierarchical name space that allows sites freedom in
assigning machine names and addresses. DNS also supports separate
mappings between mail destinations and IP addresses.
E
E_D_TOV See error-detect time-out value .
EFC Audit Log A log that summarizing actions (audit trail) performed through the
EFC Manager application. Contrast with
Audit Log .
EFC Event Log A log recorded at the EFC Manager application that displays a
history of events or errors recorded by the EFC Management Services
application. Contrast with
Event Log .
EFCM See Enterprise Fabric Connectivity Management .
EFC Management
Services application
A user-transparent application that provides product independent
services to the EFC Manager application. The application runs only
on the management server and cannot be downloaded from the
server to remote workstations.
EFC Manager
application
An application providing the system management framework and
user interface for managing directors and switches. The EFC
Manager application runs locally on the management server and can
be downloaded to remote user workstations. See also
Cluster Manager
application and Element Manager application .