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Glossary 101
I
in-band traffic
System management traffic that uses the data path between a host and a storage
device. See also
out-of-band traffic.
initiator
A system component that initiates an I/O operation over a Fibre Channel (FC) network.
If allowed by FC fabric zoning rules, each host connection within the FC network has the
ability to initiate transactions with the storage array. Each host in the FC network
represents a separate initiator, so if a host is connected to the system through two host
bus adapters (HBAs), the system identifies two different initiators (similar to multi-
homed, Ethernet-based hosts). In contrast, when multipathing is used in round-robin
mode, multiple HBAs are grouped together, and the multipathing software identifies the
group of HBAs as a single initiator.
IOPS
A measure of transaction speed, representing the number of input and output
transactions per second.
L
LAN
Local area network.
logical unit number (LUN)
The SCSI identifier for a volume as it is recognized by a particular host. The same
volume can be represented by a different LUN to a different host.
LUN
See
logical unit number (LUN).
M
MAC address
See
media access control (MAC) address.
management host
A Solaris host serving the configuration, management, and monitoring software for
the Sun StorageTek 2500 Series array. The software on the station can be accessed
with a browser to run the browser interface or with a remote scripting command-
line interface (CLI) client to access the SSCS CLI commands.