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administrative operations on resources, including starting, stopping, restarting,
and monitoring at the service group level.
Veritas NetBackup A Symantec product family that provides a fast, reliable backup and recovery
solution for environments ranging from terabytes to petabytes in size. The term
NetBackuprefers toeitheroftwo productsthatinteract withtheCommandCentral
Storage product: Veritas NetBackup DataCenter and Veritas NetBackup
BusinesServer.
VeritasVolumeManager A Symantec product installed on storage clients that enables management of
physical disks as logical devices. Veritas Volume Manager enhances data storage
managementbycontrolling spaceallocation,performance,data availability,device
installation, and system monitoring of private and shared systems.
virtual fabric A storage area network (SAN) technology in which a group of switches and other
objectsconstitute ahardware-based,isolatedenvironment withinaphysicalfabric.
Virtualfabrics createmultiple,isolated SANenvironmentswithin aphysicalSAN
fabric in order to enable more efficient use of the SAN, especially in terms of
availability and scalability. Also called virtual SAN or VSAN.
virtual hub A set of switch ports on the same fabric that are placed into a logical grouping
and use an address spoofing mechanism to emulate a Fibre Channel Arbitrated
Loop(FC-AL) hub.Avirtual hubcanbe comprisedof alltheports onasingle switch
or several ports on one or more switches. It is used primarily to allow older
loop-only devices to be attached to a switched fabric and be accessible as though
they were fabric capable.
virtual IP address A unique IP address associated with a VCS cluster. This address can be used on
any system in the cluster, along with other resources in the VCS cluster service
group. A virtual IP address is different from a system’s base IP address, which
corresponds to the system’s host name. See also IP address.
virtual machine Anenvironment orsoftwarecontainer thatdoesnot physicallyexist butiscreated
in another environment. A virtual machine can run its own operating systems
and applications as if it were a physical computer.
virtual SAN See virtual fabric.
virtualization A method of representing one or more objects, services, or functions as a single
abstract entity so that they can be managed or acted on collectively. An example
of virtualization is the creation of a virtual fabric from a switch and associated
storage resources as a means of controlling access and increasing scalability in
the storage network.
virtualization server A server that hosts multiple virtual machines with the help of a virtualization
application, such as VMware. The virtualization server provides virtualization
data to the Management Server.
visible storage Allocated LUNs that are zoned to a host.
CommandCentral Glossary50