Cisco Systems MDS 9000 setup guide Enabling iSCSI, Creating iSCSI Interfaces

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Chapter 35 Configuring iSCSI

Configuring iSCSI

Presenting iSCSI Hosts as Virtual Fibre Channel Hosts, page 35-10 iSCSI Access Control, page 35-19

iSCSI Session Authentication, page 35-22

iSCSI Immediate Data and Unsolicited Data Features, page 35-25 iSCSI Interface Advanced Features, page 35-26

Displaying iSCSI Information, page 35-29

Enabling iSCSI

To use the iSCSI feature, you must explicitly enable iSCSI on the required switches in the fabric. By default, this feature is disabled in all switches in the Cisco MDS 9000 Family.

To enable iSCSI on any participating switch, follow these steps:

Command

Step 1

Step 2

Purpose

Caution When you disable this feature, all related configurations are automatically discarded.

Creating iSCSI Interfaces

Step 1

switch# config terminal

switch(config)# interface gigabitethernet 2/1 switch(config-if)#no shutdown

Step 2

exit interface iscsi 2/1

no shutdown

 

Cisco MDS 9000 Family Configuration Guide

35-4

OL-6973-03, Cisco MDS SAN-OS Release 2.x

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Contents Configuring iSCSI 35-2 Fibre Channel SAN View-iSCSHI Host as an HBA ISCSI to FCP Fibre Channel RoutingEnabling iSCSI Creating iSCSI InterfacesPresenting Fibre Channel Targets as iSCSI Targets Dynamic MappingDynamic Target Mapping LUN2Static Mapping Statically Mapped iSCSI TargetsISCSI Virtual Target Configuration Examples Assigning iSCSI Node Names35-9 Presenting iSCSI Hosts as Virtual Fibre Channel Hosts Initiator IdentificationTransparent Initiator Mode Initiator Presentation Modes10 Virtual Host HBA Port Dynamic Mapping Making the Dynamic Initiator WWN Mapping Static Proxy-Initiator Mode Multiplexing IPS Ports Vsan Membership for iSCSI Example of Vsan membership for iSCSI devices Fibre Channel Zoning Based Access Control ISCSI Access ControlAdvanced Vsan membership for iSCSI hosts Enters configuration mode ISCSI ACL Based Access Control Enforcing Access Control Config t Iscsi authentication Chap Restricting iSCSI Initiator Authentication Mutual Chap AuthenticationISCSI Immediate Data and Unsolicited Data Features ISCSI Interface Advanced Features ISCSI Listener Port TCP Tuning ParametersQoS ISCSI Routing ModesPass -Thru Displaying iSCSI Interfaces Displaying iSCSI InformationExample 35-1 Displays the iSCSI Interface Information Data-in 0 pdus, 0 bytes Switch# Iscsi2/1 WWNs TMF REQ0NWWN Displaying Global iSCSI Information Bytes TX 8712, RX 0 Number of connection 1 Connection #1 Vsan ID 5, Fcid Vsan ID 1, Fcid 0x6c0203 Switch# ISCSI initiators IP address Switch# show iscsi initiator configured Displaying iSCSI Virtual Targets Transparent Target FailoverDisplaying iSCSI User Information Logical View ISCSI HA with Host Not Having Any Multi-Path Software Storage Port Failover LUN Trespass Multiple IPS Ports Connected to the Same IP Network Multiple Gigabit Ethernet Interfaces in the Same IP Network Lqn.com.cisco.mds.5-3.gw.p1 Lqn.com.cisco.mds.2-1.gw.p1VRRP-Based High Availability Network Lqn.com.cisco.mds.vr1.gw.p1ISCSI Authentication Setup Guidelines and Scenarios Ethernet PortChannel-Based High AvailabilityNo Authentication Chap with Local Password Database Chap with External Radius ServerISCSI Transparent Mode Initiator Host ISCSI-zone-1 10.11.1.10 Iscsi-zone-1 Iscsi-zone-2 Target Page IP address of the iSCSI Target Storage Device Requiring LUN Mapping Show iscsi initiator Configured nWWN ISCSI initiator in name server Initiator in name server Page About iSCSI Storage Name Services About iSNS Client Functionality Verifying iSNS Client Configuration Show isns profile counters Displays iSNS QueriesDiscover Example 35-22 Displays Tagged iSNS InterfacesConfiguring iSNS Servers Configuring the ESI Retry Count ISCSI Configuration DistributionEnabling the iSNS Server ISNS Client Registration and Deregistration Target Discovery Displays Explicitly Registered Objects Node Type Target1 Node Index Node type attribute in a compact format one per line Entity Index Node Type Target1 TCP Example 35-41and Example Default Settings Parameters Default
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MDS 9000 specifications

Cisco Systems MDS 9000 series is a line of storage networking switches designed to address the unique demands of enterprise-level data centers. These switches provide high-performance solutions for connecting various storage devices, including traditional disk arrays, solid-state drives, and tape libraries. The MDS 9000 series is built for scalability, high availability, and advanced security, making it an ideal choice for organizations looking to optimize their storage infrastructure.

One of the standout features of the MDS 9000 series is its support for Fibre Channel and FICON protocols, which enable seamless integration with various storage technologies. This versatility is crucial for organizations that may be using a mix of applications and storage performance requirements. The switches support multiple speeds, including 1G, 2G, 4G, 8G, and even 16G Fibre Channel rates, ensuring that they can adapt to evolving storage needs.

The MDS 9000 is known for its advanced features in terms of management and automation. Cisco provides intelligent automation capabilities to enhance operational efficiency. Features like Flow Vision and intelligent network services allow for deep visibility into storage environments, enabling administrators to monitor performance, troubleshoot issues, and optimize resource allocation effectively. This level of visibility helps organizations to mitigate risks and ensure data availability.

Security is another paramount consideration for the MDS 9000 series. The switches are equipped with a range of security features, including role-based access controls, encryption technologies, and zoning options. These capabilities help safeguard sensitive data and ensure compliance with industry regulations, making the MDS 9000 a trusted choice for enterprises dealing with critical data.

The architecture of the MDS 9000 series is designed for high availability and resiliency. With redundant power supplies and cooling systems, these switches minimize downtime and ensure continuous operation. Additionally, they offer advanced features like non-disruptive software upgrades, which eliminate the need for scheduled outages during firmware updates.

In summary, the Cisco Systems MDS 9000 series offers a robust set of features tailored for enterprise storage networking. Its support for various protocols, intelligent management capabilities, and high availability characteristics make it a preferred choice for organizations seeking to optimize their storage infrastructure for both current and future needs. By investing in the MDS 9000 series, businesses can enhance their operational efficiency, ensure data security, and maintain a competitive edge in today's data-driven landscape.