HP Storage Essentials V5.1 User Guide Second Edition (Linux Release) (T4283-96056, November 2006)

Storage Essentials 5.1 User Guide 701
the port from others.
inode file An inode file stores information about a file, excluding the file’s data.
M
Managed Application
Licenses (MALs) Managed application licenses (MALs) are the number of detected instances of
Microsoft Exchange, Oracle and Sybase Adaptive Server Enterprise.
managed object A hardware or software system component that is represented as an instance of the
CIM class. Information about managed objects is supplied by data and event
providers, as well as by the CIM Object Manager.
Managed Access
Points (MAPs) Manage access points (MAPs) are the sum of all storage access ports of all hardware
elements that the management server manages.
materialized view A materialized view is a snapshot of data, from the database, created from a query.
mapped Mapped is capacity that is accessible by one or more hosts external to the array
(aggregated capacity of volumes that are accessible from hosts external to the
subsystem).
meta device This term is used by EMC. A meta device is a device that is a concatenation of several
devices.
metavolume Metavolumes are created from a disk, slice, stripe, or other metavolumes. Metavolumes
are extremely useful because they can expand their storage capacity, such as to
mainframe volume sizes. Also referred to “LDEVs” for HDS storage systems.
missing element The management server was able to discover the element, but it lost contact with the
element before more information could be gathered during “Get the Topology” or
Discovery Data Collection/Get Details. A missing element can be managed if the
management server lost contact with the element after Discovery Data Collection/Get
Details was performed.
multipathing The process of providing a server more than one path to a storage system. So that in
the case of an emergency, the server will have continuous access to the storage system.
Multipathing can be done many ways. For example, you can provide redundant
switches for a server to access a storage system. Another example of multipathing is
providing redundant paths from the server to the switch.
P
provider A provider is software that is used to gather information about an element.
proxy server A device, such as a host, connected to a storage system. It is sometimes referred to as
a storage system proxy or an API proxy. An example of a proxy server is the EMC