Seagate BlackArmor NAS 220 User Manual page 53

group account
In BlackArmor Manager, a collection of user accounts grouped together to make it faster and
easier to manage access to shares. All users in a group have the same level of access to any
particular share. See also user account.
hot-swap
To remove and replace a disk drive without first powering off the server.
HTTP (Hypertext Transfer Protocol)
Rules for exchanging the most common form of documents (hypertext documents) over the
Internet.
HTTPS (Hypertext Transfer Protocol over Secure Socket Layer)
Rules for exchanging HTTP documents over encrypted connections.
JBOD
Just a Bunch of Drives. See span.
IP address
The identifier of a computer, server, or other device on a TCP/IP network. IP addresses are a
sequence of four numbers separated by periods. (For example, 123.456.78.1.) Every device
on your local network has a unique IP address.
local access
Access to the server from a computer on your local network. Or, manual access to the server,
which involves physical contact with the server or its cables. See also remote access.
mirror
A level of RAID protection also known as RAID 1. A mirror is built from two disk drives, where
one disk drive is a mirror of the other (the same data is stored on each disk drive). Compared
to independent disk drives, a mirrored volume provides faster performance, but has only 50%
of the capacity.
NFS
Network File System. An application that lets all users on a network share files that are stored
on different types of computers.
NTP (Network Time Protocol) server
Synchronizes the date and time of computers and servers on a network, based on
Coordinated Universal Time (UTC).
parity
Data created in volumes with RAID 5 protection that's used to reconstruct files if one of the
disk drives in the server fails. See also RAID 5.
BlackArmor® NAS 220 User Guide (Version 2) 58