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Dell PowerScale (Isilon) vs Quantum ActiveScale comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Nov 4, 2024

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
Sponsored
Ranking in File and Object Storage
6th
Average Rating
8.8
Reviews Sentiment
7.9
Number of Reviews
37
Ranking in other categories
All-Flash Storage (17th)
Dell PowerScale (Isilon)
Ranking in File and Object Storage
3rd
Average Rating
8.8
Reviews Sentiment
7.5
Number of Reviews
55
Ranking in other categories
NAS (1st)
Quantum ActiveScale
Ranking in File and Object Storage
24th
Average Rating
7.6
Number of Reviews
2
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of April 2025, in the File and Object Storage category, the mindshare of Pure Storage FlashBlade is 5.8%, down from 6.3% compared to the previous year. The mindshare of Dell PowerScale (Isilon) is 8.8%, up from 8.1% compared to the previous year. The mindshare of Quantum ActiveScale is 0.5%, down from 0.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
File and Object Storage
 

Featured Reviews

Eric Black - PeerSpot reviewer
The ability to leverage multi-tenancy along with immutability is a huge benefit for us
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. Veeam Backup specifically has started to streamline their API, and they are doing that with SOS API. They have optimized it. Any of the S3 devices out there that support this SOS API can have far more API calls at once. On our side, that translates to better restoration. With SOS API, it can leverage far more restorations at a single given time or read from the device in simple terms. That results in maximizing the output and throughput from the device itself.
Eric Burgueño - PeerSpot reviewer
Simplified data management, tremendously reducing our users’ cognitive overhead
The only thing that I think PowerScale could do better is improving the HTTP data access protocol. At the present, you cannot protect access to data via HTTP or HTTPS the same way that you can secure data access through other protocols like NFS or SMB. You can either access a file because it can be access by anyone in the organization, or you cannot at all. There is no in-between. HTTP is not considered a first-class data access protocol, so the Unified Permission Model that would allow a user to authenticate before being able to access a private file, does not apply. However, with the recent introduction of S3 starting from OneFS 9, I believe the necessary plumbing is already there for HTTPS to also be elevated to a first-class protocol in the future because both protocols sit behind a web server under the hood. It does not sound like it would be too complicated to implement, but it would be a valuable feature and it is currently missing.
FL
Good performance and reliable but the setup is complex
We would like to see a self-sufficient installation. Nowadays it's open-source, but the installation is still tied to the vendor, which means it is unlikely that it is going to scale. I want them to tap into the broader community. It is really emerging, they have a year over year, 50% annual growth. With a 10-year-old company, it will certainly bring a lot of interest, and will certainly make it more successful, if they tap into that growing customer base. They have to make themselves relevant to the industry. The industry is totally geared to the Cloud, DevOps, and geared for agility. The software with the appliance in my set is already outdated, and it is not that it cannot sell, but it has to be tapping into the emerging and growing sectors to continue with the customers and businesses. This is what the requirement is, to improve their technology. Which means that they have to make themselves relevant to the industry.

Quotes from Members

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

Pros

"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 most valuable features include the ease of implementation, ease of use and the speed that you can do backup and recovery on."
"It is very easy to use, and it is very fast."
"The initial setup is pretty quick."
"It uses the same platform for connectivity so integration is seamless."
"Pure Storage FlashBlade is user-friendly. It's replication feature is great because it has active replication and active DR. That's the beauty of the product. It's a perfect solution for block storage."
"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."
"It helps simplify our storage, because the user interface is very simple and the installation is easy."
"The best thing is that it works. We don't have to maintain it too much; we usually upgrade once a year."
"Isilon is flexible in supporting various data workloads while keeping them protected. Dell continues to release updates and patches which enhance the use of this solution. This includes offering ransomware protection."
"The flexibility and the user-friendly interface are the most valuable features."
"There are also the policies that you set up on replication and purging files, and policies for something called WORM. That's a "write once, read many," where you can't overwrite certain files or certain data. It puts them in a "protected mode" where it becomes very difficult for someone to accidentally delete. We use that for certain files or certain directories, because we're dealing with video and some video has to be protected for chain-of-custody purposes. The WORM feature works great."
"It assists with eliminating storage silos because it provides SMB and NFS protocols. PowerScale has also helped free up our employee's time to focus on other business priorities."
"The most valuable feature is its single space of storage."
"Features like ransomware protection, file lock retention, and third-party integrations (e.g., Superna for ransomware protection) are significant benefits."
"Customer service is absolutely satisfying, rating at least nine out of ten, as they have managed previous issues well."
"Workflow is easy to manage and maintain."
"The technology is stable which is good."
 

Cons

"It would be nice if you could store file-based in the same box with the same technology."
"I would like to see more deduplication."
"Compared to, for example, Hitachi NAS, the solution is not mature at all. It's just in its infancy as far as technology goes."
"There is some room for new features related to authentication and integration with Kubernetes, and other solution using S3 Bucket."
"The documentational aspect of FlashBlade needs improvement."
"Pure Storage FlashBlade should improve on more cloud integration."
"I would like to have Snapshots and Snapmail in the next release. People who came from a NetApp background, especially expect these features."
"Its configuration should be easier."
"The pricing could be reduced."
"Its configuration needs to be more straightforward."
"Dell PowerScale can improve on its multi-tenant part because as a service provider, we have bigger clusters in data centers where we can serve multiple customers and grant them dedicated management points and automation features that can be managed in a multi-tenant environment."
"Dell PowerScale needs to reduce its price."
"The solution isn't suitable for small environments or small customers."
"The product needs to improve CLI since commands are complex. The search option is also difficult since you must give the full path."
"I'd like to see more Iceland products in the cloud so that we can port our data into different environments if needed. I would also like to see a virtual appliance or software-defined Iceland product."
"The thing that they are working on now, and we are following closely is more native cloud integrations. The way that we envision workloads in the future is around moving compute to data instead of the other way around. So, we would like to have a single pane glass to manage storage across a variety of different platforms, including native cloud. That would be awesome."
"We would like to see a self-sufficient installation."
"Lacks some ability to integrate with different systems."
 

Pricing and Cost Advice

"Our customers have seen a reduction in TCO."
"It is within reason for what you get. From what we have found comparing it to other vendors, it is in the same range as others. Given the choice, we would definitely redeploy it based on the cost."
"We used a reseller for the purchase."
"The pricing is relatively expensive due to the FlashBlade technology. However, for companies needing quick and reliable data access, the cost is justified."
"I understand that it is competitively priced compared to other brands."
"The price could be cheaper."
"I rate the tool's pricing a seven to eight out of ten."
"The price is a little high."
"Dealing with the product costs and licensing areas is getting easier since Dell is simplifying the licensing process and licensing packages offered to users."
"Price was also a significant factor in our decision to go with PowerScale. The team at EMC, now Dell EMC, came through with a highly competitive offer that tipped the scales towards their solution. There was only one other solution around the same price point, but it could not match PowerScale on features. That other solution is no longer on the market."
"It is an expensive product with a high storage capacity suitable for large data requirements."
"The solution is expensive; it is not the cheapest solution out there. If you look at it from a total cost of ownership perspective, then it is a very compelling solution. However, if you're looking at just dollar per terabyte and not looking at the big picture, then you could be distracted by the price. It is not an amazing price, but it's pretty good. It is also very good when you consider the total cost of ownership and ease of management."
"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."
"The price of the solution can fluctuate. The price can be competitive or other times not. The price of the solution could be better."
"Dell PowerScale (Isilon) is an expensive solution."
"It is a really expensive solution."
"Quantum ActiveScale is open-source."
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Top Industries

By visitors reading reviews
Educational Organization
29%
Computer Software Company
12%
Financial Services Firm
9%
Manufacturing Company
8%
Educational Organization
19%
Computer Software Company
12%
Financial Services Firm
9%
Manufacturing Company
9%
Computer Software Company
17%
Educational Organization
13%
Manufacturing Company
12%
Government
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

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...
What is your experience regarding pricing and costs for Pure Storage FlashBlade?
The pricing for FlashBlade is between cheap and moderate. FlashBlade is worth the money due to the experience and per...
What needs improvement with Pure Storage FlashBlade?
Its configuration should be easier. There should be easier language for the configuration.
What do you like most about Dell EMC PowerScale (Isilon)?
The solution provides massive performance, scalability, efficiency, and ease of management.
What is your experience regarding pricing and costs for Dell EMC PowerScale (Isilon)?
Every time we purchase a PowerScale solution, we buy four nodes for one data center and four for another, with five y...
What needs improvement with Dell EMC PowerScale (Isilon)?
Dell's customer service needs improvement. Specifically, hardware failures under warranty should be addressed within ...
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Also Known As

No data available
PowerScale, Dell EMC Isilon
ActiveScale, Quantum ActiveScale Object Storage, ActiveScale Object Storage
 

Overview

 

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,
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Find out what your peers are saying about Dell PowerScale (Isilon) vs. Quantum ActiveScale and other solutions. Updated: April 2025.
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