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Intel Storage System SSR212PP User Guide 39
PRELIMINARY
FIGURE 18. SSR212PPi/SSR212PP2i (Single SP) to a Shared Single iSCSI NIC
IP addresses in a shared environment should match the corporate network IP
address scheme.
Advantages
Sharing a switch with your public LAN costs less than dedicating a switch for iSCSI
traffic.
Provides low-cost storage for up to ten servers
SSR212PP2i provides failover capabilities in the event of a storage processor failure.
SSR212PP2i has two storage processors and thus improves overall storage system
performance.
Disadvantages
Possible contention between iSCSI traffic and LAN traffic on a shared Ethernet
switch could reduce performance. The source of contention (iSCSI or LAN traffic) is
also difficult to identify.
Limited failover capability since the single initiator provides only one path from a
server to the iSCSI Ethernet switch.
All traffic on a single NIC reduces overall server performance.
A shared LAN usually requires CHAP security.
Corporate,
public or private
network
Corporate,
public or private
network
EMC3324
Single NIC sharing
iSCSI and public
LAN
Shared iSCSI LAN
and public LAN
SSR212PPi SSR212PP2i
(dual SP)
Mgmt
traffic
Mgmt
traffic
Management
traffic
iSCSI
traffic
iSCSI
traffic
iSCSI
traffic