Dell EqualLogic FS7500 Unified Storage Solution


Dell EqualLogic FS Network-Attached Storage (NAS) and Unified Storage Solution

Dell Equallogic FS7500 – Unified, Virtualised IP Storage.

The Dell EqualLogic FS7500 adds Network-attached storage (NAS) capability to the EqualLogic product line to provide a high performance, scale-out, unified storage solution. The Dell FS7500 is powered by the Dell Fluid File System (FluidFS), Dell’s high-performance, clustered, and network-accessible file system. Dual active-active controllers, redundant power supplies and fans, and battery-backed cache make the FS7500 an ideal solution for NAS deployments requiring high availability and high reliability.

The FS7500 extends the EqualLogic architecture to provide an integrated unified storage architecture compatible with all existing Dell EqualLogic iSCSI arrays. All block and file data are stored on the backend Dell EqualLogic PS Series group. File services are provided by the FS7500 through industry-standard CIFS/SMB and NFS protocols over standard Ethernet interfaces. Storage administrators may scale a single file share up to the capacity of the EqualLogic deployment and manage the unified storage infrastructure through a single interface.

The Dell EqualLogic FS7500

The FS7500 fully supports classic EqualLogic family values, including pay as you grow scalability, ease-of-use and all-inclusive software licensing. File services performance can be seamlessly expanded on the fly by scaling out, i.e., adding an additional FS7500 NAS head into the EqualLogic group, without disrupting the storage system or applications. Management of the FS7500 is integrated directly into the EqualLogic Group Manager to improve productivity, making it easy to configure and manage iSCSI, CIFS and NFS storage.

Key features include:

  • Unified IP storage solution (iSCSI, CIFS, NFS) with scale-out NAS performance
  • Single file share scalability up to the full capacity of the EqualLogic deployment, currently validated to 509TB
  • Compatible with all EqualLogic arrays, including PS6000, PS6010/6510, PS6100, PS4000 and PS4100 series
  • Integrated with Group Manager, easy-to-use EqualLogic management software
  • User accessible snapshots
  • NDMP Back-Up
  • Inclusive software delivery model
  • Single namespace with load balanced IO
  • Write cache is mirrored and battery backed
  • RAID 5, 6, 10, 50C

Product Details

  • Protocol support
    CIFS (SMB 1), NFSv3, NDMP 4, NTP, iSCSI, Active Directory, LDAP, NIS (Network Information Service)
  • Storage arrays supported
    New or existing EqualLogic PS arrays with version 5.1 or later firmware
  • Expansion capability
    Up to 509TB of usable capacity in a single namespace. Up to two FS7500 systems in a single file system cluster.
  • Storage nodes
    Dual controllers operate in an active-active environment mirroring the system’s cache
    Each controller contains 24GB memory protected by the EqualLogic FS7500 backup power supply
  • Management
    EqualLogic Manager graphical user interface, CLI interface
  • Front-end NAS connectivity
    Four 1 Gb Ethernet ports per node for front-end CIFS/NFS connectivity
  • Backend storage array connectivity
    Four 1 Gb Ethernet ports per node for back-end iSCSI connectivity
  • Snapshot capability
    Redirect-on-write snapshots


  • Wattage: 502 W (Energy Smart); Back-up Power Supply 500 W)
  • Voltage: Each controller 90 – 264 VAC, auto-ranging, 47 – 63 Hz; Backup Power supply 120V models: 90-140 V, auto-sensing; 230V models: 180-264V, auto-sensing
  • Heat dissipation: 1712.9 BTU/hr maximum (Energy Smart)
  • Maximum inrush current: Under typical line conditions and over the entire system ambient operating range, the inrush current may reach 55 A per power supply for 10 ms or less


  • Temperature
    Operating: 10° to 35°C (50° to 95°F) with a maximum temperature gradation of 10°C per hour
    Note: For altitudes above 2950 feet, the maximum operating temperature is de-rated 1°F/550 ft
    Storage: -40° to 65°C (-40° to 149°F) with a maximum temperature gradation of 20°C per hour
  • Relative humidity
    Operating: 20% to 80% (non-condensing) with a maximum humidity gradation of 10% per hour
    Storage: 5% to 95% (non-condensing) with a maximum humidity gradation of 10% per hour
  • Maximum vibration
    Operating: 0.26 Grms at 5 – 350 Hz for 5 minutes in operational orientations
    Storage: 1.54 Grms at 10 – 250 Hz for 10 minutes in all orientations

Physical (per controller)

  • Height: 4.26 cm (1.68 in)
  • Width: 48.24 cm (18.99 in) (includes rack latches)
  • Depth: 77.2 cm (30.39 in) (includes bezel and power supply handles)
  • Maximum weight: 17.69 kg (39 lbs)

Physical (backup power supply, low and high voltage models)

  • Height: 4.2 cm (1.6 in)
  • Width: 43.4 cm (17.1 in)
  • Depth: 72.3 cm (28.5 in)
  • Maximum weight: 30 kg (66 lbs)

Dell™ EqualLogic™ FS7500 with Dell™ Scalable File System

  • Max system size: 509TB
  • Max file size: 4TB
  • Max files: ~64 billion
  • Number of directories: ~34 billion
  • Max NAS file systems: 256 per 2-controller FS7500 system, 512 per 4-controller FS7500 system
  • Max snapshots per NAS File system: 512
  • Max snapshots: 10,000 per 2-controller system or 4-controller solution
  • Memory size per FS7500 2-node system: 48 GB
  • File name length: 255 bytes
  • Max NFS mounts: 1024
  • Max CIFS shares: 1024
  • Max quota rules per FS7500 system (user quotas): 100,000
  • Max quota rules per volume: 512
  • Max directory depth: 512

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