Dell PowerScale (Isilon) vs Red Hat Ceph Storage comparison

Dell Technologies and Red Hat are both solutions in the File and Object Storage category. Dell Technologies is ranked #2 with an average rating of 8.7, while Red Hat is ranked #1 with an average rating of 9.3. Dell Technologies holds a 7.1% mindshare in FaOS, compared to Red Hat’s 14.7% mindshare. Additionally, 97% of Dell Technologies users are willing to recommend the solution, compared to 82% of Red Hat users who would recommend it.

Comparison Buyer's Guide

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Executive SummaryUpdated on Nov 4, 2024

Red Hat Ceph Storage and Dell PowerScale Isilon are key players in the enterprise storage solutions market. Dell PowerScale Isilon appears to have an edge due to its robust features, although it comes at a higher price point.

Features: Red Hat Ceph Storage offers significant scalability, seamless integration with cloud services, and high availability, ideal for flexible deployments across varied environments. Dell PowerScale Isilon is recognized for handling massive data workloads, providing straightforward data access and management, and offering comprehensive scalability and performance-enhancing features.

Room for Improvement: Red Hat Ceph Storage could benefit from easier initial deployment processes, enhanced user interfaces, and better support for non-standard network configurations. Dell PowerScale Isilon could improve in reducing dependency on hardware-specific features, optimizing costs for small to medium businesses, and integrating more fully with diverse cloud environments.

Ease of Deployment and Customer Service: Red Hat Ceph Storage requires a greater depth of technical knowledge for setup but presents versatile deployment options. Dell PowerScale Isilon is acclaimed for its straightforward deployment process and extensive customer support, facilitating quicker onboarding and immediate operational efficiency.

Pricing and ROI: Red Hat Ceph Storage's lower setup costs offer a cost-effective solution suitable for smaller to medium-sized organizations with favorable ROI due to its economic scalability. Dell PowerScale Isilon, despite a higher initial investment, ensures strong ROI by efficiently managing large data volumes, making it valuable for large-scale enterprises demanding robust, scalable storage solutions.

To learn more, read our detailed Dell PowerScale (Isilon) vs. Red Hat Ceph Storage Report (Updated: February 2026).

Buyer's Guide

Dell PowerScale (Isilon) vs. Red Hat Ceph Storage

February 2026

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Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

Pure Storage FlashBlade

Mindshare comparison

As of February 2026, in the File and Object Storage category, the mindshare of Pure Storage FlashBlade is 5.5%, down from 5.9% compared to the previous year. The mindshare of Dell PowerScale (Isilon) is 7.1%, down from 8.6% compared to the previous year. The mindshare of Red Hat Ceph Storage is 14.7%, down from 21.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.

File and Object Storage Market Share Distribution
Product	Market Share (%)
Red Hat Ceph Storage	14.7%
Dell PowerScale (Isilon)	7.1%
Pure Storage FlashBlade	5.5%
Other	72.7%

File and Object Storage

Featured Reviews

MikaelHellström

IT Manager at Regin Dalarna

Has handled backup storage needs reliably and supports seamless upgrades

In environments requiring high throughput and low latency, Pure Storage FlashBlade provides high throughput and normal latency, but we do not have any application that requires low latency right now, so the latency of three to five milliseconds is considered kind of high. Pure Storage FlashBlade's ability to integrate with enterprise applications is not important for us, as we only want to present an S3 bucket for our backup, which we have done, and it works very fast. We use the Purity software's data reduction techniques; we have a backup software that compresses everything before sending it to the S3 bucket, achieving a data reduction of 1.1 to one. I would recommend Pure Storage FlashBlade to other companies because it's a very fast and scalable solution for anyone who needs it. On a scale of 1-10, I rate this solution an 8.

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Bill Engelmeyer

Systems Engineer at Unisity LLC

Flexibility and reliability have supported seamless data growth

I cannot think of anything to improve about Dell PowerScale (Isilon). The hardest challenge we have is due to how we've bought things over time. The way that we moved to the PowerEdge platform for the newer systems creates a scale problem as I still buy the older style systems, which are more dense storage. They're different chassis, so the problem we run into in the data center is the depth of the actual equipment. The newer equipment, if we buy an FX910 or a 900, it's a lot shorter in scale than if I buy an 83,000, which is much bigger. This makes it more complicated for deployment.

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Rifat Rahman

Infrastructure Architect & CEO at Tirzok Private Limited

Offers reliable performance and availability for large deployments

I would like to see improvements in Red Hat Ceph Storage not because I necessarily think it needs improvement, but because I generally prefer to do things manually rather than following the containerization part. Current deployments are based on containers, but I deploy manually with my scripts and controls. If there are no Kubernetes-like requirements, I often prefer to deploy a whole manual process. I don't ask for improvements in the deployment model because Red Hat has its own philosophy about making things, but it's my personal choice that I prefer things manually. Some features are available only in the containerization part, so if those are also available in manual deployment, that will help.

Read full review

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros

"The most valuable feature is Safe Mode."

"I like its size. It is smaller than the other competitors. We can plug in many blades, and we can have data up to one terabyte."

"The onboarding and integrated monitoring tools are pretty good."

"We can capacity plan at a greater level than we used to."

"It has also helped to simplify storage for us in the way that it's easy to manage. Their automatic monitoring really helps when things break or are about to break. They see a problem coming and alert us even before our own system does."

"The ease of deployment and management has helped us simplify our storage. We also do not have to worry about capacity management as much. A lot of these things are native to Pure Storage."

"The initial setup is pretty easy and simple."

"The tool's most valuable features are data warehousing, speedy recovery, and analytics. Its latest release is cost-effective."

More Pure Storage FlashBlade pros

"My advice to other companies considering Dell PowerScale (Isilon) is that it takes a little time to understand the product, but once you have it set up and running, it will run stable for all its lifetime."

"I assess the stability and reliability of Dell PowerScale (Isilon) as perfect, as we haven't had any hiccups with it so far."

"Based on the flexibility of the system itself, it was easy for us to manage the growth by buying individual nodes as needed."

"Dell PowerScale (Isilon) helps improve the way the organization functions through massive scalability, high performance, a single file system, high availability and reliability, flexible protocols, support for NFS, SMB, HDFS, strong security, cloud integration, efficiency, data protection, snapshot, queue, and sync queue, optimized for unstructured data."

"This is the best platform that we could have for storage utilization. It is affordable and scalable. At the end of the day, it's something that we find very easy to use."

"The capacity and scalability are what I appreciate the most about it; that was huge for us. We saw its benefits immediately after we started using it."

"My experience with Dell as a vendor is pretty good; they are probably one of the best in the industry."

"I would rate Dell PowerScale (Isilon) as a product a ten out of ten."

More Dell PowerScale (Isilon) pros

"We are using Ceph internal inexpensive disk and data redundancy without spending extra money on external storage."

"Most valuable features include replication and compression."

"Ceph has simplified my storage integration. I no longer need two or three storage systems, as Ceph can support all my storage needs. I no longer need OpenStack Swift for REST object storage access, I no longer need NFS or GlusterFS for filesystem sharing, and most importantly, I no longer need LVM or DRBD for my virtual machines in OpenStack."

"High reliability with commodity hardware."

"The solution is pretty stable."

"We have some legacy servers that can be associated with this structure. With Ceph, we can rearrange these machines and reuse our investment."

"I can compare Red Hat Ceph Storage with products from other vendors; I explored quite a few, but I still find that Red Hat Ceph Storage is making the most disruption."

"Ceph Storage allows us to add value related to cost and offers a unique experience compared to traditional storage."

More Red Hat Ceph Storage pros

Cons

"An area for improvement in Pure Storage FlashBlade is its price. It could be reduced. The technical support for Pure Storage FlashBlade also needs improvement. It used to be good, with more experienced engineers. Nowadays, it isn't, and it takes longer for support to solve problems."

"They need better integration with public clouds along with a better hybrid solution."

"The speed could be improved."

"The only thing I feel FlashBlade is missing is the SOS API. If it had SOS API, that would put it well over the top."

"It's on the expensive side, as expected for a niche product."

"We initially encountered challenges with the assembly process due to issues with the documentation required during setup, an area where Pure Storage needs improvement."

"In the realm of micro-services, I think that Pure Storage can do well if they start getting in there and making their arrays more micro-services ready."

"The solution is expensive."

More Pure Storage FlashBlade cons

"Dell PowerScale (Isilon) is a bit expensive compared to other products."

"I would like to see increased reporting and statistics functionalities."

"Isilon has limitations on the number of files that can be generated."

"Because of the magic that it does 'under the hood,' it is very difficult to find out within the system where all your storage is going. That's a little bit of a ding that we have on it. It does so much magic in order to protect itself from drive failures or multiple drive failures, that it automatically handles the provisioning and storage of your data. But by doing that, finding out why a file of a certain size, or a directory of a certain size, is using more storage than is being reported in InsightIQ, is very difficult to discern."

"Some improvements to the NFS support would be of interest to us."

"Since our Dell PowerScale (Isilon) is our own on-prem in-house built system, we don't have many up-to-date resources, and we're still a few years behind."

"I think Dell PowerScale (Isilon) can be improved, as the cost models are quite expensive for administration."

"One downside of Dell PowerScale (Isilon) is that it is really complicated to configure."

More Dell PowerScale (Isilon) cons

"Geo-replication needs improvement. It is a new feature, and not well supported yet."

"Routing around slow hardware."

"An area for improvement would be that it's pretty difficult to manage synchronous replication over multiple regions."

"It took me a long time to get the storage drivers for the communication with Kubernetes up and running. The documentation could improve it is lacking information. I'm not sure if this is a Ceph problem or if Ceph should address this, but it was something I ran into. Additionally, there is a performance issue I am having that I am looking into, but overall I am satisfied with the performance."

"If you use for any other solution like other Kubernetes solutions, it's not very suitable."

"Some documentation is very hard to find."

"Areas of Red Hat Ceph Storage that have room for improvement include more promotion. Many people do not know about the Stratus case, which is one of the most reliable systems available in the world, but they are not aware that a system can keep working even if there is a hardware failure."

"While the documentation for Ceph Storage is helpful, it could be improved."

More Red Hat Ceph Storage cons

Pricing and Cost Advice

"Licensing fees are paid yearly."

"The product is very expensive."

"We used a reseller for the purchase."

"In my opinion, we have paid the right price for the product. I don't think that it is too much or too little."

"I have seen ROI. It has allowed me to increase the density of my VMs without having to purchase anything additional."

"The price of this solution could be made more affordable."

"The price is a little high."

"It's a costly solution, but Pure Storage FlashBlade doesn't require additional licenses. All of the software is combined into one bundle."

More Pure Storage FlashBlade pricing and cost advice

"Dell PowerScale is expensive on the start-up side but we can recoup those costs quickly by not having to reapply the savings to other equipment."

"I always want things to be less expensive. However, I would say the pricing is fair. Their costs are in alignment with their competitors. It is a good value for the money."

"The pricing is expensive, but I think it's a fair value because it does manage itself. It definitely is much simpler than any of the other scale-out storage platforms that we've looked at in the past."

"It is an expensive product with a high storage capacity suitable for large data requirements."

"Dell PowerScale (Isilon) is an expensive solution."

"We use the TNA approach which is a great opportunity for us to better manage the licenses based on how much consumption is available for the different customers so we can use that approach and scalability."

"It's a high-cost offering amounting to three or four million Swedish kronor, or about $400,000 or euros, for approximately 480 terabytes of storage."

"We paid an additional fee to have Dell's ProDeploy Plus team implement it."

More Dell PowerScale (Isilon) pricing and cost advice

"I rate the product’s pricing an eight out of ten."

"Most of time, you can get Ceph with the OpenStack solution in a subscription as a bundle."

"If you can afford a product like Red Hat Ceph Storage then go for it. If you cannot, then you need to test Ceph and get your hands dirty."

"The operational overhead is higher compared to Azure because we own the hardware."

"The price of this product isn't high."

"The other big advantage is that Ceph is free software. Compared to traditional SAN based storage, it is very economical."

"The price of Red Hat Ceph Storage is reasonable."

"We never used the paid support."

More Red Hat Ceph Storage pricing and cost advice

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Top Industries

By visitors reading reviews

Financial Services Firm

12%

Manufacturing Company

10%

Computer Software Company

Government

Computer Software Company

11%

Manufacturing Company

11%

Financial Services Firm

Government

Computer Software Company

14%

Manufacturing Company

11%

Financial Services Firm

Comms Service Provider

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	11
Midsize Enterprise	11
Large Enterprise	21

By reviewers
Company Size	Count
Small Business	17
Midsize Enterprise	20
Large Enterprise	44

By reviewers
Company Size	Count
Small Business	13
Midsize Enterprise	4
Large Enterprise	15

Questions from the Community

What do you like most about Pure Storage FlashBlade?

The tool's most valuable feature is its fast performance, especially in handling snapshots. It helps during power out...

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What is your experience regarding pricing and costs for Pure Storage FlashBlade?

Regarding pricing, it is okay; we needed exactly this in size, and the price was a lot lower than competitors, making...

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What needs improvement with Pure Storage FlashBlade?

In my opinion, one way Pure Storage FlashBlade can be improved is by having more compatibility between the FlashArray...

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What do you like most about Dell EMC PowerScale (Isilon)?

The solution provides massive performance, scalability, efficiency, and ease of management.

See all answers

What is your experience regarding pricing and costs for Dell EMC PowerScale (Isilon)?

Regarding pricing, Isilon can be cost-efficient; if you are using more capacity nodes without needing more performanc...

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What needs improvement with Dell EMC PowerScale (Isilon)?

When it comes to Dell PowerScale (Isilon), I think that because it differs when you have a normal customer and a deve...

See all answers

How does Red Hat Ceph Storage compare with MiniO?

Red Hat Ceph does well in simplifying storage integration by replacing the need for numerous storage solutions. This ...

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What do you like most about Red Hat Ceph Storage?

The high availability of the solution is important to us.

See all answers

What needs improvement with Red Hat Ceph Storage?

Areas of Red Hat Ceph Storage that have room for improvement include more promotion. Many people do not know about th...

See all answers

Comparisons

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Compared 9% of the time

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Compared 6% of the time

NetApp StorageGRID vs Pure Storage FlashBlade

Compared 4% of the time

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NetApp FAS Series vs Dell PowerScale (Isilon)

Compared 20% of the time

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Compared 7% of the time

Dell ObjectScale vs Dell PowerScale (Isilon)

Compared 5% of the time

VAST Data vs Dell PowerScale (Isilon)

Compared 4% of the time

Dell PowerStore vs Dell PowerScale (Isilon)

Compared 3% of the time

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MinIO vs Red Hat Ceph Storage

Compared 50% of the time

NetApp StorageGRID vs Red Hat Ceph Storage

Compared 3% of the time

VMware vSAN vs Red Hat Ceph Storage

Compared 3% of the time

Microsoft Storage Spaces Direct vs Red Hat Ceph Storage

Compared 3% of the time

Nutanix Unified Storage (NUS) vs Red Hat Ceph Storage

Compared 2% of the time

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Product Reports

Buyer's Guide

Pure Storage FlashBlade

February 2026

Download Pure Storage FlashBlade product report

Buyer's Guide

Dell PowerScale (Isilon)

February 2026

Download Dell PowerScale (Isilon) product report

Buyer's Guide

Red Hat Ceph Storage

February 2026

Download Red Hat Ceph Storage product report

Also Known As

No data available

PowerScale, Dell EMC Isilon

Ceph

Overview

FlashBlade is the industry’s most advanced scale-out storage for unstructured data, powered by a modern, massively parallel architecture to consolidate complex data silos (like backup appliances and data lakes) and accelerate tomorrow’s discoveries and insights.

Pure Storage

Dell PowerScale leads in unstructured data management with unified file and object storage, massive scalability, security, and cloud adaptability, enhancing AI, analytics, and enterprise applications with exceptional performance and resilience.

Dell PowerScale Isilon provides a comprehensive platform for unstructured data, excelling in scalability, management, and performance. With features like single-pane management, SyncIQ, and SmartQuotas, it handles large datasets with flexibility and robust security. Its multi-protocol support and seamless expansion improve operational efficiency. While it offers strong data protection, enhancements in cloud integration, cybersecurity, and performance are sought. Users note potential for cost reductions and streamlined configurations and mention desired improvements in object storage handling and NFS support.

What are the key features of Dell PowerScale Isilon?

Single-pane management: Simplifies data control and monitoring through a unified interface.
SyncIQ: Ensures efficient data replication for business continuity.
SmartQuotas: Provides intelligent quota management for optimized storage allocation.
Multi-protocol support: Facilitates cross-platform data access and integration.
Seamless storage expansion: Allows effortless scaling to accommodate growing data needs.

What benefits should users consider when reviewing Dell PowerScale Isilon?

Operational efficiency: Reduces workload with easy management and automation.
Enhanced security: Offers comprehensive data protection and recovery options.
Scalability: Supports large-scale data storage with flexible growth capabilities.
Performance: Delivers high-speed data processing for demanding applications.
Integration flexibility: Adapts to on-prem and hybrid cloud environments for diverse deployment needs.

Organizations across industries utilize Dell PowerScale Isilon for large-scale unstructured storage, supporting applications like video archiving, genomic data storage, and high-resolution imaging. Educational institutions, research centers, and media enterprises rely on its scaled-out storage capabilities, providing centralized, secure storage for diverse applications in hybrid, cloud, and on-prem environments.

Dell Technologies

Red Hat Ceph Storage is an enterprise open source platform that provides unified software-defined storage on standard, economical servers and disks. With block, object, and file storage combined into one platform, Red Hat Ceph Storage efficiently and automatically manages all your data.

Red Hat

Sample Customers

ServiceNow, Mercedes-AMG Petronas Motorsport, Dominos, Man AHL

OMRF, University of Utah, Translational Genetics Research Institute, Arcis, Geofizyka Torumn, Cyprus E&P Corporation, Colburn School, Columbia Sportswear, Harvard Medical School, University of Michigan, National Library of France,

Dell, DreamHost

Buyer's Guide

Dell PowerScale (Isilon) vs. Red Hat Ceph Storage

February 2026

Free Report: Dell PowerScale (Isilon) vs. Red Hat Ceph Storage

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