Specifications

GL–4 Glossary
command line
interpreter
The configuration interface to operate the controller software.
configuration file A file that contains a representation of a storage subsystem’s configuration.
container 1) Any entity that is capable of storing data, whether it is a physical device or a
group of physical devices. (2) A virtual, internal controller structure representing
either a single disk or a group of disk drives linked as a storageset. Stripesets and
mirrorsets are examples of storageset containers the controller uses to create
units.
controller A hardware device that, with proprietary software, facilitates communications
between a host and one or more devices organized in an array. HS family
controllers are examples of array controllers.
copying A state in which data to be copied to the mirrorset is inconsistent with other
members of the mirrorset.
See also normalizing.
copying member Any member that joins the mirrorset after the mirrorset is created is regarded as a
copying member. Once all the data from the normal member (or members) is
copied to a normalizing or copying member, the copying member then becomes a
normal member.
See also normalizing member.
CSR An acronym for control and status register.
DAEMON Pronounced “demon.” A program usually associated with a UNIX systems that
performs a utility (housekeeping or maintenance) function without being requested
or even known of by the user. A daemon is a diagnostic and execution monitor.
data center cabinet A generic reference to large DIGITAL subsystem cabinets, such as the SW600-
series and 800-series cabinets in which StorageWorks components can be
mounted.