Glossary–10
Hitachi Unified Storage Hardware Service Guide
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SAN
See Storage-Area Network
SAS
Serial Attached SCSI. An evolution of parallel SCSI into a point-to-point
serial peripheral interface in which controllers are linked directly to disk
drives. SAS delivers improved performance over traditional SCSI
because SAS enables up to 128 devices of different sizes and types to
be connected simultaneously.
SAS (ENC) Cable
Cable for connecting a controller box and drive box.
Secure Sockets Layer (SSL)
A protocol for transmitting private documents via the Internet. SSL
uses a cryptographic system that uses two keys to encrypt data - a
public key known to everyone and a private or secret key known only to
the recipient of the message.
Snapshot
A term used to denote a copy of the data and data-file organization on
a node in a disk file system. A snapshot is a replica of the data as it
existed at a particular point in time.
SNM2
See Storage Navigator Modular 2.
Storage-Area Network
A dedicated, high-speed network that establishes a direct connection
between storage systems and servers.
Storage Navigator Modular 2
A multi-featured scalable storage management application that is used
to configure and manage the storage functions of Hitachi storage
systems.
Striping
A way of writing data across drive spindles.
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