Hitachi AMS2100 User Manual page 200

evolution of the legacy Advanced Technology Attachment (ATA)
interface from a parallel bus to serial connection architecture.
secondary volume (S VOL)
A replica of the primary volume (P-VOL) at the time of a backup and is
kept on a standby storage system. Recurring differential data updates
are performed to keep the data in the S-VOL consistent with data in the
P-VOL.
ShadowImage
Software that uses local mirroring technology to create a copy of any
volume in the Simple Modular Storage (SMS) array.
Simple DR
Simple DR refers to the Simple Data Recovery.
SMPL
Simplex.
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.
SSD
Solid State Disk (drive). A data storage device that uses solid-state
memory to store persistent data. An SSD emulates a hard disk drive
interface, thus easily replacing it in most applications.
Storage Navigator Modular 2
A multi-featured scalable storage management application that is used
to configure and manage the storage functions of Hitachi arrays. Also
referred to as "Navigator 2."
suspended status
Occurs when the update operation is suspended while maintaining the
pair status. During suspended status, the differential data control for
the updated data is performed in the primary volume.
S-VOL
See secondary volume.
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