LUN
Logical unit number. A LUN results from mapping a logical unit number, port ID, and LDEV ID to
a RAID group. The size of the LUN is determined by the emulation mode of the LDEV and the
number of LDEVs associated with the LUN.
mount point
A host's file system path or directory name where a host volume (device) is accessed.
NAS
Network attached storage.
NCT
Network Configuration Tool
NFS
Network file system. The protocol used in most UNIX environments to share folders or mounts.
NIC
Network interface card. A device that handles communication between a device and other devices
on a network.
SAN
Storage area network. A network of storage devices available to one or more servers.
SAS
Serial Attached SCSI.
SATA
Serial Advanced Technology Attachment.
SNMP
Simple Network Management Protocol. A widely used network monitoring and control protocol.
Data is passed from SNMP agents, which are hardware and/or software processes reporting
activity in each network device (hub, router, bridge, and so on) to the workstation console used
to oversee the network. The agents return information contained in a MIB (Management Information
Base), which is a data structure that defines what is obtainable from the device and what can be
controlled (turned off, on, and so on).
volume
Volume on disk. An accessible storage area on disk, either physical or virtual.
volume mapping
The process by which volume permissions (read only, read/write, or none) and LUNs are assigned
to a host port.
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