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Lenovo S3200 Setup Manual: Cnc Ports Used For Host Connection

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CNC ports used for host connection

Certain models use Converged Network Controller (CNC) technology, allowing you to select the desired
host interface protocol from the available Fibre Channel (FC) or Internet SCSI (iSCSI) host interface
protocols supported by the system. You can use the Command-line Interface (CLI) to set all controller
module CNC ports to use one of these host interface protocols:
• 16 Gb FC
• 8 Gb FC
• 4 Gb FC
• 10 GbE iSCSI
• 1 GbE iSCSI
Alternatively, for 4-port S3200 models, you can use the CLI to set CNC ports to support a combination of
host interface protocols. When configuring a combination of host interface protocols, host ports 0 and 1
are set to FC (either both16 Gbit/s or both 8 Gbit/s), and host ports 2 and 3 must be set to iSCSI (either
both 10GbE or both 1 Gbit/s), provided the CNC ports use the qualified SFP connectors and cables
required for supporting the selected host interface protocol.
The 2-port S2200 models do not support SFPs for multiple host interface protocols in combination. You
must select a common host interface protocol and SFP for use in all CNC ports within the controller
CNC technology
S2200 CNC controller module — rear panel LEDs
TIP: See the Storage Manager Guide for information about configuring CNC ports with host interface
protocols of the same type or a combination of types.
IMPORTANT: CNC controller modules ship with CNC ports initially configured for FC. When connecting
CNC ports to iSCSI hosts, you must use the CLI (not the SMC) to specify which ports will use iSCSI. It is best
to do this before inserting the iSCSI SFPs into the CNC ports (see
for instructions).
HD mini-SAS ports used for host connection
S3200 SAS models provide four high-density mini-SAS (HD mini-SAS) ports per controller module, and
S2200 SAS models provide two HD mini-SAS ports per controller module. The HD mini-SAS host interface
protocol uses the SFF-8644 external connector interface defined for SAS3.0 to support a link rate of 12
Gbit/s using the qualified connectors and cable options. See
on page 65 and
Intended audience
This guide is intended for storage system administrators.
Prerequisites for installing and using this product include knowledge of:
• Servers and computer networks
• Network administration
• Storage system installation and configuration
• Storage area network (SAN) management and server-attached storage
• Fibre Channel (FC), Internet SCSI (iSCSI), Serial Attached SCSI (SAS), and Ethernet protocols
About this guide
on page 30,
S3200 CNC controller module — rear panel LEDs
S2200 SAS controller module—rear panel LEDs
on page 66 for more information.
Change the CNC port mode
S3200 SAS controller module—rear panel
on page 68 for more information.
on page 63, and
on page 44


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