Planning network cable connections

The cable-connection tables provide an easy to read method of recording the locations of current and planned cable connections for each control enclosure in the system.

Purpose

Use these tables to plan the cable connections for each control enclosure in your system.

Each node canister in a control enclosure connects over an Ethernet cable from Ethernet port 1 of the canister to an enabled port on your Ethernet switch or router. Ethernet port 1 is for accessing the management GUI, the service assistant GUI for the node canister, and iSCSI host attachment.

Optionally, you can attach an Ethernet cable from Ethernet port 2 on the canister to your Ethernet network. On Lenovo Storage V3700 V2 and Lenovo Storage V3700 V2 XP systems, it is necessary to first disable port 2 from acting as a technician port. Port 2 can be used for the management GUI, the service assistant GUI for the node canister, and iSCSI host attachment.

Note:

Ethernet cables are not supplied as part of your order. Ensure the cables that are used meet the minimum standards for the Ethernet port type.
Ethernet ports 3, 4, 5 and 6 are present if the optional 1 or 10 Gb Ethernet host interface adapter is installed. The 1 Gb Ethernet host interface adapter can be used for iSCSI only. The 10 Gb Ethernet host interface adapter can be used for iSCSI and FCoE.

Table 1 provides a list of Ethernet cable standards.

Table 1. Ethernet cable standards
Ethernet port type	Cable type	Minimum standard	Connector
1 Gbps Ethernet port	Unshielded twisted pair (UTP)	CAT 5 (up to 100 meters)	RJ45
10 Gbps Ethernet port (optional)	Optical fiber	OM2 (up to 60 meters) OM3 (60 - 150 meters)	LC

Record node canister Ethernet port connections with Table 2.

Table 2. Node canister Ethernet port connections.
Summary of Ethernet port connections
Node canister		Ethernet port 1	Ethernet port 2	Ethernet port 3 (with optional host interface adapters installed)	Ethernet port 4 (with optional host interface adapters installed)
Enclosure serial number:
Canister 1 (left)	switch:
	port:
	speed:
Canister 2 (right)	switch:
	port:
	speed:
Enclosure serial number:
Canister 1 (left)	switch:
	port:
	speed:
Canister 2 (right)	switch:
	port:
	speed:

Note: Fibre Channel connectivity is optional, requiring an optional host interface adapter; each adapter has up to 4 ports.

Record node canister Fibre Channel port connections with Table 3

Table 3. Node canister Fibre Channel port connections.
Summary of Ethernet port connections
Node canister		Fibre Channel port 1	Fibre Channel port 2	Fibre Channel port 3	Fibre Channel port 4
Enclosure serial number:
Canister 1 (left)	switch:
	port:
	speed:
Canister 2 (right)	switch:
	port:
	speed:
Enclosure serial number:
Canister 1 (left)	switch:
	port:
	speed:
Canister 2 (right)	switch:
	port:
	speed:

Record node canister SAS port connections with Table 4

Table 4. Node canister SAS port connections.
Summary of Ethernet port connections
Node canister		SAS port 1 (host attachment)	SAS port 2 (host attachment)	SAS port 3 (expansion enclosure connection)	SAS port 4 (expansion enclosure connection)
Enclosure serial number:
Canister 1 (left)	switch:
	port:
	speed:
Canister 2 (right)	switch:
	port:
	speed:
Enclosure serial number:
Canister 1 (left)	switch:
	port:
	speed:
Canister 2 (right)	switch:
	port:
	speed: