Dell Compellent Series 30 - Manual (Page 60)

54 Storage Center System Setup Guide
Glossary
Controller
Provides disk aggregation (RAID), I/O routing, error detection, and data recovery. Provides
the intelligence for the entire Storage Center subsystem. A Storage Center system contains
at least one controller.
Copilot Services
Combination of centralized support, product education and sales resources that proactively
monitor Storage Center and recommend corrective actions to improve performance and
availability of the system.
D
DNS (Domain Name Service)
Name of the TCP/IP stack that converts domain names into IP addresses.
Data Progression
Automatically migrates data to the right class of storage based on assigned or
recommended policies. Allows businesses to optimize utilization of storage resources
through migration to the appropriate class of storage devices, to higher or to lower
performance devices, based on data access requirements.
Disk Enclosure (see Enclosure )
Disk Folder
A collection of physical disks that can be assigned attributes by the user. A disk folder
groups disks for use within one or more pagepools.
Dynamic Controllers
See Clustered Controllers on page 53
E
Enclosure
The box that holds the disks. It 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.