FAS (Fabric-Attached Storage)

FAS (Fabric-Attached Storage) is a family of storage systems developed by NetApp for the centralized storage, management, and protection of enterprise data. The FAS platform is used in data centers, cloud infrastructures, and corporate networks to provide reliable access to data, high service availability, and efficient use of storage resources.

FAS systems support various storage media types, including hard disk drives (HDDs), solid-state drives (SSDs), and hybrid configurations. Their versatility makes them suitable for a wide range of workloads, from file services and virtualization to databases, backup environments, and analytics platforms.

For many years, the FAS product line has been one of NetApp’s core offerings and is used by thousands of organizations worldwide.

What Is FAS in Simple Terms?

In simple terms, FAS is an enterprise storage platform that allows organizations to centrally store large volumes of data and provide access to that data for servers, applications, and users.

For example, instead of storing data on individual servers, an organization can use a FAS system as a centralized storage platform. Such a system may store:

• Employee documents
• Databases
• Virtual machines
• Backups
• Enterprise applications
• Analytical data

This approach simplifies infrastructure management and improves data reliability.

What Does Fabric-Attached Storage Mean?

The term Fabric-Attached Storage can be understood as a storage system connected through a dedicated network infrastructure.

In this context, the word Fabric refers to a specialized data network that connects servers, storage systems, and other infrastructure components.

This architecture allows data to be accessed simultaneously by a large number of applications and users.

What Is FAS Used For?

FAS systems are designed to support a variety of data storage workloads. Common use cases include:

• File services
• Server virtualization
• Databases
• Backup environments
• Data archiving
• Cloud platforms
• Business applications
• Data analytics

A single FAS system can support multiple workload types at the same time.

ONTAP Operating System

All modern FAS systems are built on the ONTAP operating system. ONTAP provides:

• Data management
• Replication
• Snapshot creation
• Deduplication
• Data compression
• Backup capabilities
• Administrative automation

ONTAP is considered one of the most feature-rich enterprise storage management platforms available.

Supported Storage Types

One of the advantages of FAS is its support for multiple data access models.

File Storage

Supported protocols include:

• NFS
• SMB/CIFS

This mode is commonly used for document sharing and corporate file storage.

Block Storage

Supported protocols include:

• iSCSI
• Fibre Channel (FC)
• NVMe/FC

This approach is commonly used for virtualization, databases, and high-performance applications.

Object Storage

Modern versions of the platform support integration with object storage solutions and cloud services.

Main Advantages of FAS

• Versatility. A single system can support multiple workload types simultaneously.
• Scalability. The infrastructure can expand as data volumes grow.
• High Availability. The systems support component redundancy and continuous service operation.
• Efficient Storage Utilization. Built-in deduplication and compression technologies help reduce physical storage requirements.
• Cloud Integration. FAS supports hybrid and multi-cloud deployment scenarios.

FAS vs. AFF

Many users compare FAS and AFF platforms. The primary difference lies in the storage media they support. FAS supports:

• HDDs
• SSDs
• Hybrid configurations

AFF (All Flash FAS) uses SSD storage exclusively. As a result, AFF delivers higher performance and lower latency, while FAS provides greater flexibility in balancing performance and storage costs.

Data Protection Technologies

FAS systems include a broad range of data protection features. Key capabilities include:

• Snapshot. Creation of point-in-time copies for rapid data recovery.
• Replication. Data transfer between locations to support business continuity and resilience.
• Backup. Integration with backup and recovery solutions.
• Encryption. Protection of data both at rest and in transit.

Where Is FAS Used?

FAS storage systems are widely deployed in enterprise environments. Common areas of use include:

• Data centers
• Financial institutions
• Government organizations
• Healthcare systems
• Telecommunications companies
• Manufacturing enterprises
• Cloud providers
• Virtualization platforms
• ERP and CRM systems
• Backup infrastructures

Virtually any organization that manages large volumes of data can use FAS as a centralized storage platform.

FAQ

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