||Oracle Tips by Burleson
Disk I/O Tuning
Fibre Channel devices are called nodes. This is a generic term
describing any device (workstation, printer, disk drive, scanner,
etc.) connected to a Fibre Channel topology. Each node has at least
one port, called an N_Port to provide access to other nodes. The “N”
in N_Port stands for node. As you will see later, ports used in a
Fibre Channel Arbitrated Loop topology are called NL_Ports where the
“NL” stands for node loop.
components that connect two or more node ports together are what are
collectively called a topology. Nodes work within the provided
topology to communicate with all other nodes.
The above text is
an excerpt from:
Oracle Disk I/O Tuning
Disk IO Performance & Optimization for Oracle
by Mike Ault
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