Setup Guide

34 Configuring Storage
Figure 5-4. PowerVault MD1000 or PowerVault MD1120 Storage Enclosures – Single
Host, Split Backplane
• Dual Host, Split Backplane — In this configuration, the hard drives are
split into two groups with the first group controlled by one XenServer host
and the second group controlled by the other XenServer host. Daisy
chaining PowerVault MD1000 or PowerVault MD1120 storage enclosures is
not supported in split mode. See Figure 5-5 for an illustration of this
configuration.
Figure 5-5. PowerVault MD1000 or PowerVault MD1120 Storage Enclosures – Dual
Host, Split Backplane
X
en
S
erver
h
ost
PERC 6/E PERC 6/E
PERC 6/E PERC 6/E
XenServer host XenServer host
PowerVault MD1000/
MD1120 storage array