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Introduction 19
Terms Used in the Document
Table 1-1. PowerVault NAS System Terms
Term Description
Backup Power
Supply
Provides back up battery power in the event of a power loss.
Client access VIP Virtual IP addresses that clients use to access CIFS shares and
NFS exports hosted by a PowerVault NAS system. The
PowerVault NAS system supports multiple client access
Virtual IPs (VIPs).
Controller (NAS
controller or nodes)
NAS appliance installed with the Dell Fluid File System
(FluidFS) software.
Controller pair Two NAS controllers that are configured as pair in a
PowerVault NAS clustered system. Cache data is mirrored
between the paired NAS controllers.
Data Management
Application (DMA)
Also known as the Backup Application Server.
Dell PowerVault
Modular Disk
Storage Manager
(MDSM)
The management software that ships with the PowerVault
MD32x0i or MD36x0i array.
Fluid File System High-performance, scalable file system software installed on
NAS controllers.
Host Port Identifier Unique ID used to identify hosts in a network.
Internal network A
(peer connection)
The PowerVault NX3500's internal network consists of two
independent Gigabit Ethernet ports. The internal network is
the infrastructure for PowerVault NX3500 clustering,
including the heartbeat monitor, data transfer, and mirroring
information between the controllers.
Internal network B
(internal
management or
IPMI)
The PowerVault NX3500 internal management network (also
known as internal network b) connects both controllers. All
administrative related functions and controller reboots are
performed on this network.