Install the iSCSI initiator package on Linux backup host
To install the iSCSI initiator package use the following yum and zypper commands:
yum install iscsi-initiator-utils" - RedHat.
zypper -n install open-iscsi" - SuSE.
If you plan to use Nutanix iSCSI segmented network, See About support for Nutanix segmented iSCSI network. for the backup host network configuration details.