Dell Compellent Series 40 - Manual (Page 110)

102 Enterprise Manager 5.5 Installation and Setup Guide
M
management controller
In a clustered-controller environment, the controller that is communicating with the server.
migrate volume
Copies data to a new volume, and then erases the original volume. Migrate has the same
effect as moving a volume.
mirror volume
Copies volume data to the remote site and maintains updates between the local volume
and the remote volume until the mirror is manually broken.
N
NAT (Network Address Translation)
Also known as network masquerading or IP-masquerading. NAT involves rewriting the
source or destination addresses of IP packets as they pass through a router or firewall.
Most systems use NAT to enable multiple hosts on a private network to access the Internet
using a single public IP address.
O
object
Logical components of a Storage Center, such as a system, volume folder, volume, server,
and so on.
oversubscribed space
Configured space minus available space.
P
page pool
Group of data pages taken from a disk folder. Page pools provide storage for dynamic
volumes, manage storage allocations, and can have a variety of disk types and RAID
selections.
price multiplier
In Chargeback, a number applied to the storage costs of a department to add a premium
or discount to the price.
Q
QoS (Quality of Service)
Rules for replications, including link speed, number of links, and replication schedule.