Brocade Web Tools Administrator's Guide - Supporting Fabric OS v5.3.0 (53-1000435-01, June 2007)

Web Tools Administrator’s Guide 171
Publication Number: 53-1000435-01
Chapter
14
Administering the iSCSI Target Gateway
This chapter describes how to use the iSCSI Target Gateway. The gateway is an intermediate device
in the network, allowing iSCSI initiators in an IP SAN to access and utilize storage in a Fibre Channel
SAN.
In this chapter
• Supported platforms for iSCSI . . . . . . . . . . . . . . . . . 171
• About the iSCSI service . . . . . . . . . . . . . . . . . . . . . . 171
• Setting up iSCSI Target Gateway Services . . . . . . . 174
Supported platforms for iSCSI
The iSCSI target gateway service is supported only on the Brocade 48000 director with CP blades
running Fabric OS 5.2.0 and configured with an FC4-16IP blade (see the Fabric OS Administrator’s
Guide for more information).
About the iSCSI service
The Web Tools iSCSI Target Gateway Admin module conducts all management tasks related to the
iSCSI target gateway service. Although iSCSI service is fabric wide, you can manage the iSCSI target
gateway service through any iSCSI-capable switch in a fabric. Any applied iSCSI target gateway
change is propagated and enforced to the whole fabric. Web Tools, as an element management
tool, allows you to manage iSCSI target gateway service through one switch.
Through the iSCSI Target Gateway Admin module, you are able to conduct iSCSI target
gateway-related management tasks, such as creating and managing iSCSI virtual targets,
managing iSCSI sessions and iSCSI authentications, and editing discovery domains sets that
enforce iSCSI device access control. The iSCSI port configuration is available to both the iSCSI
Target Gateway Admin module and the port management module.
Web Tools, as a GUI-based SAN element management tool, can recognize and manage the
FC4-16IP port blade in the Brocade 48000 director chassis and all Fibre Channel ports and GbE
ports on the blade.
When a GbE port is configured to support iSCSI, it can transport SCSI traffic over an IP network.
Each GbE port has a unique IP address called an “iSCSI target portal” and each port supports 64
iSCSI sessions. The TCP/IP stack at the port provides support for multiple TCP connections over a
single GbE port.
In Web Tools, ports are addressed using slot number and port number notation (for example, 2,16).
• For Fibre Channel ports on the FC4-16IP blade, the range of ports will be 0 through 7.