Iscsi Optimization; Iscsi Optimization Overview - Dell Force10 S4810P Configuration Manual

High-density, 1ru 48-port 10gbe switch

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iSCSI Optimization

iSCSI Optimization is supported on platform

This chapter describes how to configure internet small computer system interface (iSCSI) optimization,

which enables quality-of-service (QoS) treatment for iSCSI traffic. The topics covered in this chapter

Default iSCSI Optimization Values

iSCSI Optimization Prerequisites

Configuring iSCSI Optimization

Displaying iSCSI Optimization Information

iSCSI Optimization Overview

iSCSI is a TCP/IP-based protocol for establishing and managing connections between IP-based storage

devices and initiators in a storage area network (SAN). iSCSI optimization enables the networking switch

to auto-detect Dell's iSCSI storage arrays and triggers a self-configuration of several key network

configurations that enables the network to be optimized for better storage traffic throughput.

iSCSI optimization also provides a means of monitoring iSCSI sessions and applying QoS policies on

iSCSI traffic. When enabled, iSCSI optimization allows a switch to monitor (snoop) the establishment and

termination of iSCSI connections. The switch uses the snooped information to detect iSCSI sessions and

connections established through the switch.

iSCSI session monitoring over VLT will synchronize the ISCSI session information between the VLT

peers, thereby allowing session information to be available in both the VLT peers.

iSCSI optimization functions as follows:

Auto-detection of EqualLogic storage arrays — The switch detects any active EqualLogic array

directly attached to its ports.

Manual configuration to detect Compellent storage arrays where auto-detection is not supported.

Automatic configuration of switch ports after detection of storage arrays.

iSCSI monitoring sessions — The switch monitors and tracks active iSCSI sessions in connections on

the switch, including port information and iSCSI session information.

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