Nexsan UNITY7900 Quick Start Manual

NEXSAN UNITY7900 Storage System
Quick Start Guide
This document provides installation steps for racking, cabling, and setting up the Nexsan UNITY7900 Storage
System, and cabling all Nexsan storage components for power and data/host connectivity.
For additional documentation please visit

Taking delivery

Your Unity shipment includes the UNITY7900, and
one or more Unity Storage Expansions, depending
on your configuration. Check to ensure no damage
has been sustained to the packaging in transit. If
anything appears to be damaged, you should file a
damage claim with your reseller.
Item Name
1 Power supply unit
2 Fan assembly
3 On-board 10GbE LAN ports (2 per
node)
4 KVM connections
5 Storage connectivity
6 Optional host connectivity (up to
two):
http://helper.nexsansupport.com/unt_support.html

Hardware overview

The main components of the UNITY7900 are
shown in these diagrams:
Front view (bezel removed)
Rear view
Description
1,200W Redundant Power Supplies with PMBus
4x 80mm and 4x 40mm PWM cooling fans
Redundant cooling
Right port: Primary data network interface (nx0 - optional)

Left port: Management Interface (nx99) and IPMI interface

If using a 1GbE port for the management interface,
NOTE:
these ports will be used for data, with the left port still being
used for the IPMI interface.
USB, VGA, and serial connections for remote console access
to the Unity Storage System
Quad-port SAS PCIe to HD Mini-SAS (Serial Attached SCSI)
HBA (host bus adapter)
You can use these slots for additional host connections, which
can be any of these supported NICs:
10GbE dual-port HBA with RJ-45 interfaces

10GbE dual-port HBA with SFP+ optical interfaces

8Gb FC dual-port HBA

16Gb FC dual-port HBA

1GbE quad-port HBA with RJ-45 interfaces

1GbE dual-port HBA with RJ-45 interfaces

Pair of 40GbE NIC with dual QSFP Connectivity

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