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Intel Storage System SSR212PP User Guide 25
PRELIMINARY
SSR212PPi Directly Connected to Two Servers
Figure 6 shows two servers, each with an iSCSI initiator directly cabled to an iSCSI data
port on the SSR212PPi.
FIGURE 6. SSR212PPi (Single SP) Directly Connected to Two Servers
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
Storage Processor A iSCSI port 1 172.31.1.151 255.255.255.0 0.0.0.0
iSCSI NIC/HBA 1 172.31.1.101 255.255.255.0 0.0.0.0
iSCSI NIC/HBA 2 172.31.1.102 255.255.255.0 0.0.0.0
Management port IP addresses should match the corporate network scheme.
Advantages
You can easily migrate this low-cost storage for two servers to a switched
environment.
The dedicated iSCSI path ensures maximum throughput from the host to the storage
system.
Since two servers can connect to the storage system, this configuration takes
advantage of the SSR212PPi s port connectivity capabilities.
The dedicated paths provide inherent security.
Disadvantages
One storage processor does not allow for failover in case of SP failure.
A single path from each server prohibits failover or load balancing.
SSR212PP2i Directly Connected to One Server
Figure 7 shows one server, with four iSCSI initiators, directly cabled from the server to
each of the SSR212PP2i s iSCSI data ports.
Corporate,
public or private
network
EMC3312
Servers with separate iSCSI NIC and public NIC
DAS iSCSI
and public LAN
SSR212PPi
iSCSI traffic iSCSI traffic
Management traffic