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IBM System Storage N series Software Guide by Marco Schwarz, Tom Provost, Steven Pemberton, Dirk Peitzmann, Jeff Lin, Roland Tretau

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iSCSI
This chapter provides a high level overview of the iSCSI protocol.
The following topics are covered:
General network design best practices
Initiator and target technologies
Jumbo frames
Link aggregation
28.1 What iSCSI is
The iSCSI protocol is a licensed service on the storage system that enables you to transfer block data to hosts using the SCSI protocol over TCP/IP. The iSCSI protocol standard is defined by RFC 3720.
In an iSCSI network, storage systems are targets that have storage target devices, which are referred to as LUNs (logical ...

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