iSCSI configurations
The DS5100 and DS5300 supports 1 Gbps iSCSI connectivity. You must determine
how the host systems will connect to the storage subsystem. The illustrations in the
following sections show common iSCSI host system configurations.
The iSCSI ports support IPv4 and IPv6 TCP/IP addresses, CHAP, and iSNS. Use
either Category 5E or Category 6 Ethernet cable types for iSCSI port connections.
A Category 6 Ethernet cable provides optimal performance.
Note: The minimum DS5100 and DS5300 configuration is eight partitions. The
maximum is 512 partitions. Configuration upgrades are available as upgrade
options. Contact your IBM reseller or marketing representative for more
information.
Host system
with two host
adapters
Host system
with two host
adapters
Switch
Switch
Host system
with two host
adapters
Host system
with two host
adapters
Switch
Switch
Interswitch link
DS5100 and
DS5300
Interswitch link
Figure 81. Example of a two-cluster configuration
Host system
with two host
adapters
Host system
with one host
adapter
Switch
DS5100 and
DS5300
Figure 82. Example of a single SAN fabric configuration with one FC switch
118 IBM System Storage DS5100 and DS5300 Storage Subsystem: Installation, User’s, and Maintenance Guide
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