Owner's Manual

iSCSI Cluster Setup for Dell EqualLogic PS Series Storage Systems 25
iSCSI Cluster Setup for the
Dell™ EqualLogic PS Series
Storage Systems
WARNING: Before you begin any of the procedures in this section, read the
safety information that shipped with your system. For additional best practices
information, see the Dell Regulatory Compliance website at
www.dell.com/regulatory_compliance.
EqualLogic Terminology
EqualLogic PS series storage arrays include storage virtualization technology.
To better understand how these arrays operate, it is helpful to be familiar with
some of the terminology used to describe these arrays and their functions:
Member
— a single PS series array is known as a member.
Group
— a set of one or more members that can be centrally managed.
Host servers access the data through a single group IP address.
Pool
— a RAID that can consist of the disks from one or more members.
Volume
— a LUN or virtual disk that represents a subset of the capacity of
a pool.
Cabling EqualLogic iSCSI Storage System
Host servers can be attached to the Dell™ EqualLogic PS5000XV iSCSI array
through an IP storage area network (SAN) industry-standard Gigabit
Ethernet switch. Figure 5-1 shows the recommended network configuration
for a dual control module PS5000XV array. This configuration includes two
Dell PowerConnect™ 54xx Gigabit Ethernet switches, to provide highest
network availability and maximum network bandwidth. It is recommended