ADIC FCR200 Especificaciones Pagina 30

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2-10 Description
62-9301-01
Mapping Devices
To allow Fibre Channel and SCSI devices to address each
other, the FCR200 creates a table that maps device identifiers
between Fibre Channel and SCSI. During FCR200
configuration, you can choose the mapping method and, in
certain cases, customize the device mappings. See
Chapter 5
for more information about address modes and their
configurations.
Processing SCSI Information
The following describes how the router processes SCSI
information. Refer to Figure 2-7 on page 2-11.
1 A FC host issues a command. The FC host
encapsulates the command in the FCP protocol and
sends the packet to the FCR200.
2 The FC port in the FCR200 receives the packet,
interprets the FC information, and places the
packet in buffer memory.
3 The FCR200’s processor interprets the information
and programs a SCSI controller to process the
transaction.
4 The SCSI controller sends the command to the SCSI
device (target).
5 The target interprets the command and prepares to
either read or write data.
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