Chapter 1: Introduction
About the StorNext M660 Hardware
StorNext M660 Metadata Appliance Hardware Guide 5
Note: Content in this document applies to both Lattus and non-
Lattus systems unless otherwise noted.
Hardware Specification Each StorNext M660 MDC node contains the following:
• Two redundant, hot-swappable system hard drives in a RAID 1
configuration
• Redundant cooling fans and power
Network Connectivity Here are the quantity and type of network ports available on the
different system models:
• All StorNext M660 models feature one 4-port 8 Gb FC card for SAN
network connectivity.
• The StorNext M661 feature 11 configurable 1GbE Ethernet ports per
node.
• The StorNext M662feature two 10 GbE and seven 1 GbE
configurable Ethernet ports per node.
MDCs coordinate SAN file access across SAN clients. Additionally, the
standby node can be used as a distributed data mover (DDM) host. Both
MDC nodes can be used as StorNext gateways (in non-Lattus systems
only).
Base System and
Expansion Unit
Description
The StorNext M660 comes configured as a Base System with two
Metadata Controller (MDC) nodes which share a common file system
located on a single metadata array for storage.
M660UnitUnitUnitanmetadata arraysystemThe different M660 models
support different numbers of file systems, as described here:
• In M661 and M662 systems: the base system supports up to four
file systems. The base system with the optional expansion unit
supports up to eight file systems.
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