10/7/13 Dell - Dell|EMC CX4 Series Storage Arrays - Management Module

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Management Module

Each CX4 storage array has two management modules, one for SPA and one for SPB. Each module has SPS,management LAN and peer service LAN connectors.

The pictures below shows the management module for the CX4 storage arrays that use the 2U enclosure chassis (theCX4-120, CX4-240 and CX4-480 arrays):

Fig: Management Module for CX4-120, CX4-240 and CX4-480 Storage Arrays

The management module for SPA is situated on the right hand side of the chassis, when viewed from the rear. Themanagement module for SPB is on the left hand side.

Fig: Management Module positions

Management Module FeaturesThe management module has the following ports & connectors:

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Fig: Management Module Ports & Connectors

Management Module Features

Feature Connector Type Usage

Management LAN Port RJ45 1Gb Ethernet SP management

Peer Service 1GB Ethernet LANport

RJ45 1Gb Ethernet Service port management of peer SP

Management Serial Port for SP Micro DB9RS-232 connection to a service console via null modemserial cable

Standby Power Supply (SPS)Serial Port

Micro DB9 Communication between SPS and SP

NMI buttonFor engineering useonly

Forced reboot and crash dump

SP Mangement Ports and IPv6SP management ports can now be configured with a choice of either IPv4 (the default option) or IPv6 (which must beselected manually). The management port Supports IPv6 for in-bound traffic. Out-bound IPv6 support is forPing/Traceroute only. There is no IPv6 tunneling support.

Peer Service LAN PortWhen connecting to an SP using the peer service LAN port, you must be connected to the management module thatcontrols the opposite (partner or peer) SP. Hence, if you wish to connect to SPA, you must physically connect to the peerservice LAN port on the managment module for SPB. A standard Ethernet cable is used to connect to the peer serviceLAN port (cross-over cables are not require). You must use the IP address for the peer SP. The peer service LAN portprovides full GUI and CLI access to the storage array and can manage both SPs.

The IP address settings for the peer service LAN ports are as follows:

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Peer Service LAN port Settings

SP IP Address Subnet Mask

SPA 128.221.1.250 255.255.255.248

SPB 128.221.1.251 255.255.255.248

NOTE: Domain security applies when accessing a storage array through a Service LAN port. Log on credential for thearray are required.

Status LEDsThe tables below gives details of the rear LEDs for the CX4 SPE 2U chassis:

Management Module LED Information

LED LED condition Condition/status

Management module status LED is on module handle

Solid green Management module has power

Off Power is Not being supplied to module

Amber Module is faulted

Management/peer service LAN link LEDSolid green Good Ethernet link

off No link (bad cable or connector, configuration mismatch)

Management/peer service LAN activity LED

Blinking amber Brief bursts of data detected on port

Solid amber Streams of data detected on port

Off No data detected on port

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