Dell Compellent Series 30 - Manual (Page 436)

428 Storage Center 5.5 System Manager User Guide
Dual Redundancy
See Redundancy
Dynamic Controllers
A minimum of two Storage Center clustered controllers that provide automatic failover via an internal
heartbeat
E
Emergency Mode
Refer to Emergency Mode on page 246 .
Enclosure
The box that holds the disks. Provides disk status, temperature sensors, cooling fans, an alarm system, and
a single interface to the controller.
Ethernet
A protocol that defines a common set of rules and signals for networks.
Eth0
Ethernet port 0. Storage Center uses Eth0 to support system login and access for the GUI, Replication, and
to send email, alerts, SNMP traps, and Phone Home data.
Eth1
Storage Center uses Eth1 for dedicated InterProcess Communication between controllers in a multi-
controller system.
F
FTP
File Transfer Protocol. Program used to transfer files from another computer.
Fabric
A combination of interconnected switches that act as a unified routing infrastructure. It allows multiple
connections among devices on a SAN and lets new devices enter unobtrusively. A FC (or iSCSI) topology
with at least one switch present on the network.
FastTrack
An optional Storage Center utility that dynamically places the most active data on the outer (faster) disk
tracks.
Fault Domain
A Fault Domain identifies a failover set. In Virtual Port mode, all front-end ports can be part of the one fault
domain. In Legacy Mode , each primary and reserved port creates one fault domain.