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SCSI RDMA Protocol
This chapter describes SCSI RDMA protocol and includes the following sections:
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•
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Note
See the
significance of prompts used in the examples in this chapter.
Introduction
SRP runs SCSI commands across RDMA-capable networks so that IB hosts can communicate with Fibre
Channel storage devices and IB-attached storage devices. SRP requires an SFS with a Fibre Channel
gateway to connect the host to Fibre Channel storage. In conjunction with an SFS, SRP masks
IB-attached hosts as Fibre Channel-attached hosts. The topology transparency feature enables Fibre
Channel storage to communicate seamlessly with IB-attached hosts, called SRP hosts.
To connect an IB-attached SRP host to a SAN, cable your SRP host to an IB fabric that includes an SFS
with a Fibre Channel gateway or IB-attached storage. Log in to the SFS to configure the Fibre Channel
connection between the SAN and the SRP host, and then log in to the host and configure the SRP host.
Configuring SRP
This section describes how to configure SRP. There are a number of ways to configure the connection
between the SAN and the SRP host. The method that you choose depends on the interfaces available to
you and the global access settings on your SFS. The instructions in this section provide one example of
how to configure the connection. For detailed instructions, see the Cisco SFS InfiniBand Fibre Channel
Gateway User Guide.
If you have a Fibre Channel gateway, you must configure ITLs. If you have IB-attached storage, see the
Note
relevant storage documentation.
OL-12309-01
Introduction, page 4-1
Configuring SRP, page 4-1
Verifying SRP, page 4-7
"Root and Non-root Conventions in Examples" section on page ix
C H A P T E R
Cisco SFS InfiniBand Host Drivers User Guide for Linux
4
for details about the
4-1
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