||Oracle Tips by Burleson
Disk I/O Tuning
Channel was designed to not have its own native I/O command set
protocol. It allows other protocols to superimpose their command
sets onto itself and then simply transports this information.
However, Fibre Channel does have a command set that it uses to
manage the links between the various participating devices using
Fibre Channel “link services”.
multiple command sets may use Fibre Channel, it identifies the
information by command set type. This is accomplished by each Fibre
Channel frame having a field in the frame header that identifies the
protocol associated with that frame, this allows the receiving port
to distinguish among the protocols and make the proper processing
mentioned above, Fibre Channel supports both channel and network
communications. Let's look at this.
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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