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26 Intel Storage System SSR212PP User Guide
Revision 1.0
PRELIMINARY
FIGURE 7. SSR212PP2i (Dual SP) Directly Connected to One Server
Sample IP Addresses
Port IP address Subnet mask Gateway
Storage Processor A iSCSI port 0 172.31.1.150 255.255.255.0 0.0.0.0
iSCSI NIC/HBA 1 172.31.1.101 255.255.255.0 0.0.0.0
Storage Processor A iSCSI port 1 172.31.2.150 255.255.255.0 0.0.0.0
iSCSI NIC/HBA 2 172.31.2.101 255.255.255.0 0.0.0.0
Storage Processor B iSCSI port 0 172.31.3.150 255.255.255.0 0.0.0.0
iSCSI NIC/HBA 3 172.31.3.101 255.255.255.0 0.0.0.0
Storage Processor B iSCSI port 1 172.31.4.150 255.255.255.0 0.0.0.0
iSCSI NIC/HBA 4 172.31.4.101 255.255.255.0 0.0.0.0
Management port IP addresses should match the corporate network scheme.
Advantages
You can easily migrate this low-cost storage for a single server to a switched
environment.
Redundant paths to the SSR212PP2i provide better failover capabilities. They sustain
access to the storage system in the event of an iSCSI initiator, cable, or data port
failure.
The dedicated iSCSI path ensures maximum throughput from host to storage system.
Disadvantages
Since only one server can connect to the storage system, this configuration does not
take full advantage of the SSR212PP2i s connectivity capabilities.
A single server does not allow for expansion.
SSR212PP2i Directly Connected to Two Servers
Figure 8 shows two servers, each with two iSCSI initiators, directly cabled to the iSCSI
data ports on an SSR212PP2i.
Corporate,
public or private
network
EMC3314
Server with separate iSCSI NIC and public NIC
DAS iSCSI
and public LAN
SSR212PP2i
(dual SP)
iSCSI traffic
iSCSI traffic
Management traffic