Glossary
Scalar i500 User’s Guide 555
Setup wizard
A tool for initially configuring the library. It appears the
first time the user starts the library. However, it can be used to modify
configurable items anytime after the initial configuration.
Sled See UDS.
SMI-S (Storage Management Initiative Specification) An industry
standard SMI-S application programming interface (API) developed by
SNIA that facilitates the management of multi-vendor devices in a
storage area networks (SANs) environment.
Snapshot A rapid, point-in-time image of a volume created initially on
the same disk as the original by duplicating metadata rather than copying
the full data set. Snapshots are often used to protect against data
corruption (viruses, etc.) or to create test or pre-production
environments. Snapshots are also often used as a first step for creating
non-disruptive point-in-time backups, and for copying datasets to a
second disk to create a full duplicate copy of the volume. Snapshots are
created on disk, and in the same format as the original data. Snapshots
are also referred to as point-in-time copies and as shadow copies.
SNMP (Simple Network Management Protocol) The protocol governing
network management and the monitoring of network devices and their
functions. Similar in function to SAM, except SNMP governs LAN,
whereas SAM governs SAN.
SSL (Secure Sockets Layer) A protocol that provides encrypted
communications on the Internet. SSL is layered beneath application
protocols such as HTTP, SMTP, Telnet, FTP, Gopher, and NNTP and is
layered above the connection protocol TCP/IP.
Storage device An appliance containing data that can be accessed, added
to, changed, or deleted by the user. The storage media types include tapes
and optical disks. A storage device can be a single disk drive, or
constitute thousands of tapes in a large tape library.
Storage slot The physical home where a data cartridge resides.
Subsystem status A feature that provides predictive alerts, warning of
any loss of connectivity or device failure using local or remote alerts.
Subsystem status allows administrators to correct faults before they affect
backup or other data transfer operations.
T
Tape drive
A device that spins disks and tapes while it reads and writes
data in storage.
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