1IntroductionThe Dell FluidFS network attached storage (NAS) solution is a high-availability storage solution. The solution aggregatesmultiple NAS controllers in a cluster and presents them to UNIX, Linux, and Microsoft Windows clients as one virtual fileserver.Terms Used In The DocumentTerm DescriptionBackup 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 NFSexports hosted by the FluidFS NAS solution. The FluidFS NAS solutionsupports multiple client access Virtual IPs (VIPs).NAS appliance Two NAS controllers that are configured as pair in a FluidFS NASclustered system. Cache data is mirrored between the paired NAScontrollers within the appliance.Controller (NAS controller or nodes) The two primary components of a NAS appliance, each of whichfunctions as a separate member in the FluidFS NAS cluster.Data Management Application (DMA) Also known as the Backup Application Server.Dell PowerVault Modular Disk StorageManager (MDSM)The management software that ships with the MD Series array.Enterprise Manager Multi system management software required for managing FluidFS withStorage Center.Fluid File System (FluidFS) High-performance, scalable file system software installed on NAScontrollers.Host Port Identifier Unique ID used to identify hosts in a network.LAN or client network (primary network) The network through which clients access NAS shares or exports. TheFluidFS NAS solution is connected to customer’s IT environment and itsNAS clients using this network. It is also the network used by the storageadministrator to manage the NAS solution.NAS storage pool The NAS storage pool is a virtualized storage layer on top of the virtualdisks. The size of the NAS storage pool is the sum of all virtual disksmade available to the FluidFS NAS cluster.NAS volume (NAS container or virtualvolume)A virtualized volume that consumes storage space in the NAS storagepool. Administrators can create CIFS shares and NFS exports on a NASvolume and share them with authorized users. A FluidFS NAS solutionsupports multiple NAS volumes.NAS replication Replication between two FluidFS NAS solutions or between two NASvolumes.NAS replication partners FluidFS NAS solutions participating in a replication activity.11