Vicom Systems FC-FC3, Installation And User Manual, Page: 94 / 102

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SV Router FC-FC 3 – Installation and User Guide – Sun Release
logical drive A group of drives that contain a single ID and LUN. Logical drives
can be mirror, composite, mirror composite, Instant Copy or
multipath.
logical volume
A designated section of memory created on a disk drive.
logical unit number (LUN) The SCSI identifier of a logical unit within a target. Each SCSI ID
can be divided into eight (0-7) logical units. These logical units can
represent whole disks. This identifying number determines the
device’s priority.
LUN mapping The ability to change the virtual LUN number as presented to the
server from the storage. This allows such benefits as the ability for a
server to boot from the SAN without the requirement of a local disk
drive. Each server requires LUN 0 to boot.
LUN masking Enables an administrator to dynamically map an HBA to a specified
LUN. This allows an individual server or multiple servers access to
an individual drive or to multiple drives, and prohibits unwanted
server access to the same drive(s).
management information base See MIB .
mapped drive
A drive that is assigned an ID and/or LUN for addressing purposes.
mapping table See SAN database .
master SLIC (master router)
This is the SV Router that controls the storage loop including the
drive configuration. All changes to drives must come through this
master.
member drive A drive within a complex drive. Within a Mirror drive, a member can
be a simple or a composite drive.
media The permanent storage area of a drive.
MIB
Acronym for Management Information Base. A database that
describes the objects of the a device monitored by SNMP agent.
microcode
An instructional program to enable the proper operations between
electrical functions of the computer and its corresponding device(s).
mirror composite drive
A combined group of drives seen as one drive by the host and
mirrored or copied by another drive or combined group of drives.