Cisco Systems MDS 9000 VRRP-Based High Availability

Cisco MDS 9000 Family Configuration Guide

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

Chapter35 Configuring iSCSI

iSCSI High Availability

VRRP-Based High Availability

network

90862

VRRP across two ports

Physical view (iSCSI)

Virtual IP-10.1.1.1 FC fabric pWWN-P1

iqn.host-1

iSCSI

HBA

lqn.com.cisco.mds.vr1.gw.p1

Virtual IP-10.1.1.1

Network portal 10.1.1.1

iqn.host-1

iSCSI

HBA

network

Logical view

Contents

Main CHAPT ER Send documentation comments to mdsfeedback-doc@cisco.com. Configuring iSCSI About iSCSI Page Configuring iSCSI SCSI Routing iSCSI to FCP(FC) routing Enabling iSCSI Creating iSCSI Interfaces Presenting Fibre Channel Targets as iSCSI Targets Dynamic Mapping 35-6 Static Mapping iSCSI Virtual Target Configuration Examples 35-9 Example 3 Page Initiator Presentation Modes Transparent Initiator Mode Page iSCSI Initiator Idle Timeout WWN Assignment for iSCSI Initiators name ip-address Making the Dynamic Initiator WWN Mapping Static Step1 Step2 Proxy-Initiator Mode Page VSAN Membership for iSCSI VSAN Membership for iSCSI Hosts VSAN Membership for iSCSI Interfaces no iscsi interface vsan-membership Example of VSAN membership for iSCSI devices Advanced VSAN membership for iSCSI hosts iSCSI Access Control Fibre Channel Zoning Based Access Control Page iSCSI ACL Based Access Control Enforcing Access Control Page Page iSCSI Immediate Data and Unsolicited Data Features iSCSI Interface Advanced Features iSCSI Listener Port TCP Tuning Parameters QoS iSCSI Routing Modes Figure 35-13 compares the messages exchanged by the iSCSI routing modes. Table35-1 compares the advantages and dissuasiveness of the different iSCSI routing modes. Mode Advantages Disadvantages Pass -Thru Store -Forward Cut- Thru Wait for all Data to arrive Displaying iSCSI Information Displaying iSCSI Interfaces Example35-1 Displays the iSCSI Interface Information Page WWNs Page Displaying Global iSCSI Information Displays the Current Global iSCSI Configuration and State Example35-7 Displays Brief Information of All iSCSI Sessions Page Page Page Page Displaying iSCSI Virtual Targets Displaying iSCSI User Information iSCSI High Availability Transparent Target Failover iSCSI High Availability with Host Running Multi-Path Software 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 Page VRRP-Based High Availability Network portal 10.1.1.1 Ethernet PortChannel-Based High Availability iSCSI Authentication Setup Guidelines and Scenarios Page iSCSI Transparent Mode Initiator Page Page Page Page Page Target Storage Device Requiring LUN Mapping Page Step11 Note Step12 The configured nWWN <---- The configured pWWN Page Page Page Page Verifying iSNS Client Configuration Page Example3 5-22Displays Tagged iSNS Interfaces discover Configuring iSNS Servers Page Page Displays Explicitly Registered Objects Page and node type attribute in a compact format; one per line. Page Page Page Default Settings