HP StorageWorks 2000 Modular Smart Array Reference Guide (481599-003, August 2008)

Glossary 315
standard volume A volume that is not enabled for snapshots.
standby See spare.
state The current operational status of a disk drive, a virtual disk, or
controller. A controller module stores the states of drives, virtual disks,
and the controller in its nonvolatile memory. This information is
retained across power interruptions.
Storage Area
Network (SAN) A storage system consisting of storage elements, storage devices,
computer systems, and/or appliances, plus all control software,
communicating over a network. (SNIA)
Storage Controller
(SC) The processor (located in a controller module) that is primarily
responsible for RAID controller functions. The Storage Controller is
also referred to as the RAID controller.
storage system One or more enclosures, referred to in a logical (as opposed to
physical) sense.
stripe size The number of data disks in a virtual disk multiplied by the chunk size.
sub-vdisk One of multiple RAID 1 virtual disks across which data is striped to
form a RAID 10 virtual disk; or one of multiple RAID 5 virtual disks
across which data is striped to form a RAID 50 virtual disk.
system See storage system.
Tbyte (TB) Terabyte. Equivalent to 1000 Gbyte for data storage and statistics, or
1024 Gbyte for memory.
TCP/IP Transmission Control Protocol/Internet Protocol.
topology The logical layout of the components of a computer system or network
and their interconnections. Topology deals with questions of what
components are directly connected to other components from the
standpoint of being able to communicate. It does not deal with
questions of physical location of components or interconnecting cables.
(SNIA)
trap A type of SNMP message used to signal that an event has occurred.
(SNIA)