Time to read: 6 minutes | Published: March 17 , 2025

Object Storage
What is object storage?

Object storage stores data as objects instead of files or blocks. Each object has data, metadata, and a unique identification for easy retrieval. Object storage is flat and scalable, unlike directory-based or block-based storage. It is great for storing massive volumes of unstructured data like video, backups, and cloud apps. It is ideal for modern data storage due to its excellent scalability, durability, and quick access over distant networks.

With object storage, the stored objects are managed with their metadata.
  • Object storage benefits
  • Object storage use cases
  • HPE and object storage
Object storage benefits

What are the benefits of object storage?

Object storage offers several benefits, making it a popular choice for managing large volumes of unstructured data. Here are some of the key advantages:

Object Storage Benefits: 

  • Scalability & cost-effectiveness: Object storage can scale infinitely by adding new nodes, making it ideal for handling large datasets. Being software-defined allows the use of cheap commodity hardware with pay-as-you-go pricing.
  • Durability & Reliability: Data replication over many nodes or data centers ensures high availability, built-in redundancy, and little data loss.
  • Metadata management & flexibility: Configurable information improves organization, searchability, and retrieval for each object. Object storage handles tiny files and massive multimedia information.
  • Accessibility & integration: Supports HTTP-based RESTful APIs for seamless integration with cloud services, online apps, and current data architectures like AI, analytics, and Big Data.
  • Security and compliance: Encryption at rest and in transit, access restrictions, immutability, and audit logging ensure GDPR and HIPAA compliance.
  • Versioning and geographic distribution: This feature supports versioning for data recovery and auditing while allowing data to be stored across multiple locations for improved accessibility and disaster recovery.

Overall, object storage is a versatile and robust solution for managing large-scale, unstructured data in a cost-effective and efficient manner.

Object storage vs file storage vs block storage

What is the difference between object storage, file storage, and block storage?

  • Object Storage: Best for economical, scalable storage of large unstructured data (e.g., backups, media, and big data).
  • File Storage: Ideal for collaboration and shared files, offering a user-friendly structure for accessing data.
  • Block Storage: Suited for high-performance applications that require low-latency access, such as databases and VM storage.

Feature

Object Storage
File Storage
Block Storage

Data Structure

Stores data as objects, each containing data, metadata, and a unique identifier.

Organizes data in a hierarchical file and folder structure.

Divides data into fixed-size blocks, each with a unique identifier but no metadata.

Storage Architecture

Flat address space, stored in a distributed pool.

Managed by a file system (e.g., NTFS, ext4, HFS+).

Provides raw storage volumes, requiring a file system to be installed.

Metadata

Supports rich metadata for efficient organization and search.

Limited metadata (file name, permissions, timestamps).

Minimal metadata, primarily tracks block locations.

Access Method

Accessed via HTTP-based RESTful APIs.

Accessed using file paths and mounted to operating systems.

Accessed via low-level protocols like iSCSI, Fibre Channel, or FCoE.

Performance

Optimized for large-scale, unstructured data storage rather than high-speed transactions.

Moderate performance, depending on network and system load.

High performance with low latency, suitable for high IOPS workloads.

Scalability

Highly scalable by adding more storage nodes, supports massive data volumes.

Limited scalability, as performance can degrade with large numbers of files.

Scales well but requires additional management and hardware upgrades.

Durability & Availability

Data is distributed and replicated across multiple nodes/data centers for high availability.

Availability depends on the underlying storage system and network setup.

Typically includes redundancy features like RAID, snapshots, and backups.

Cost-effectiveness

Cost-efficient, using commodity hardware with pay-as-you-go pricing models.

Moderate cost; can become expensive at scale.

Can be costly due to hardware and management requirements.

Best Use Cases

Cloud storage, backups, multimedia storage, big data, and analytics.

File sharing, collaboration, home directories, and content management.

Databases, virtual machines (VMs), transactional applications, and high-performance workloads.

Related topics

Data storage

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Block storage

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Cloud storage

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