What is Object Storage?

Also known as object-based storage, object storage differs from other computer data storage architectures in that it lets you manage objects rather than file systems and data blocks. An “object” includes the data itself, some metadata, and a unique identifier. This data can be immediately accessed through APIs or http/https. In this way, the object storage safeguards the  data. This data can also be replicated to multiple datacenters if needed. 

Object Storage

There are multiple ways to implement object storage: the device level, the system level, and the interface level. Regardless of the level, object storage systems can retain massive amounts of unstructured data, which makes up most of the data in the world.

On a general level, an object storage use case commonly supports application developers, who must wrangle user-created media through object storage. Because object storage can handle unlimited media files and scale beyond the petabyte, developers and IT admins find it useful for storing:
  • Unstructured data like photos, songs, videos, etc.
  • Backup files, database files, and log files.
  • Large data sets. 
  • Archival files.
  • Online collaboration files, like Dropbox.
  • And other use cases.
Object Storage
Object Storage
Not to mention, object storage exists in the cloud, too. Below are some common cloud-based object storage providers:
  • Amazon S3
  • Rackspace Cloud Files
  • Microsoft Azure Blob Storage
  • Google Cloud Storage

File Storage vs. Block Storage vs. Object Storage

To understand object storage and its similar-sounding storage architectures, it’s important to look at the foundational storage solution first: file storage. File-based storage, like most predecessors, is simple, but limited. Files are named, tagged with metadata, and then organized into folders. The naming process is what makes navigation somewhat simple, and because many companies need centralized access to files, file storage is a feasible option. 

File storage also offers a hierarchical system that, with small amounts of data, works perfectly well. And while technically, you can create and store an unlimited number of files, finding them later down the line is considerably harder. Scanning through endless folders filled with endless files is simply not scalable nor efficient.
 
The Risks of Not Implementing a Disaster Recovery Plan
With that major limitation in mind, it’s time to look at the next level of storage: block storage. Commonly found in SAN architectures, block storage handles a raw storage volume known as a “block,” which includes files that have been split into equal-sized segments of data. From there, an operating system manages these volumes and uses them as individual hard drives, which enables organizations to use third party tools to manage and back up the data.

Block storage also offers much better, more granular control over data than file storage. Unlike file storage architectures, the umbrella OS determines the storage management strategy, allocating storage for different applications, determining where the data goes, and provisioning necessary tools.

Compared to both architectures, object storage is far better suited for large amounts of ever-growing data. It’s much easier to find a specific data set in an object storage architecture. Because each object has its own unique identifier, you don’t need to manually search for a name across multiple files. And as data inevitably expands, businesses tend to be much happier with the capabilities of object storage. While file storage and block storage architectures can expand, their usability and simplicity decrease as the data grows into the petabytes.

Benefits of Object Storage

Both humans and machines are responsible for generating massive amounts of data, and while some is structured, the vast majority is unstructured. And because unstructured data is difficult to manage and store, businesses are turning to object storage solutions to tackle its unique challenges. Additionally, object storage delivers:

Superior searchability:

In object storage architecture, the metadata resides in the object itself. That means IT admins don’t need to build databases to merge metadata with the objects. Not to mention, custom metadata can be created, changed, and added overtime. And most importantly, custom metadata makes object storage simple to search through and navigate unlike its file storage predecessor. 

Unlimited scalability:

Perhaps the most obvious advantage to choose object storage is its ability to scale limitlessly. Businesses can add nodes as needed and scale horizontally. Because metadata stays with the objects, the system is “flat,” which allows for virtually unlimited scaling when compared to traditional storage methods.

Cost efficiency:

On the topic of scalability, businesses generating large volumes of data need a system that makes the most sense for their budget. Because object storage scales out easily, it’s far more cost efficient to store data in an environment without volume and searchability limitations.

Better resiliency:

Object storage delivers quick, reliable disaster recovery for object files. That’s because when an object is created, it automatically copies onto 1+ nodes. In case a disaster strikes, businesses can rest assured their data won’t be lost.

Why Do Businesses Opt for Object Storage?

It’s estimated that 80% of all data generated is unstructured, though that percentage may be low. And by 2025, IDC estimates that we’ll have 10 times as much data as we have right now.

Businesses of all sizes must wrangle enormous amounts of ever-growing data, and because growth—especially that of unstructured data—can be unpredictable, their storage solution of choice must be able to quickly and effortlessly scale on demand. With object storage, businesses aren’t just better equipped to store their data—they’re also better able to manage it, search through it, and therefore leverage it for better insights. 

Not to mention, compared to its file and block storage predecessors, object storage isn’t limited by a hierarchical organization. Instead, data is organized in a flat plane, providing cleaner, more readily available access than other storage architectures can deliver. Plus, this flat environment is far more customizable—by number, attribute, and more.

Related Resources

Reimagine Object-based Storage in a Multi-cloud Era

Rearchitecting Unstructured Storage

Nutanix Objects

Solving the Unstructured Data Management Problem

Rethinking Storage for a Data-centric World

The Top Storage Considerations for Unstructured Data

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