S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m
42-59
Cisco MDS 9000 Family CLI Configuration Guide
OL-16184-01, Cisco MDS SAN-OS Release 3.x
Chapter 42 Configuring iSCSI
iSCSI High Availability
iSCSI High Availability
The following high availability features are available for iSCSI configurations:
•
Transparent Target Failover, page 42-59
•
Multiple IPS Ports Connected to the Same IP Network, page 42-63
•
VRRP-Based High Availability, page 42-64
•
Ethernet PortChannel-Based High Availability, page 42-65
Transparent Target Failover
The following high availability configurations are available:
•
iSCSI high availability with host running multi-path software
•
iSCSI High availability with host not having multi-path software
iSCSI High Availability with Host Running Multi-Path Software
Figure 42-15
shows the physical and logical topology for an iSCSI HA solution for hosts running
multi-path software. In this scenario, the host has four iSCSI sessions. There are two iSCSI sessions from
each host NIC to the two IPS ports.