Setup Guide

Configuring Storage 47
• Up to Four Direct-Attached Servers, Single-Path Data, Dual Controllers
(Duplex)
— This configuration contains up to four XenServer hosts, each
with one NIC for iSCSI connectivity, and an PowerVault MD3000i storage
array enclosure with two RAID controllers. One port of each host's NIC is
connected to one of the four ports across the two PowerVault MD3000i
RAID controllers. Two optional PowerVault MD1000 storage enclosures
can be daisy-chained to the PowerVault MD3000i storage array to provide
additional storage capacity. See Figure 5-14 for an illustration of this
configuration.
Pool configuration is not possible in this configuration.
Figure 5-14. PowerVault MD3000i Storage Array – Up to Four Direct-Attached Servers,
Single-Path Data, Dual Controllers (Duplex)
LAN
XenServer 1 & 2
MD3000i
Controller 1
Ports 1 & 0
Controller 0
Ports 1 & 0
XenServer 3 & 4
NIC 0 NIC 0 NIC 0 NIC 0
PowerVault MD1000
(optional) storage array
PowerVault MD1000
(optional) storage array