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HPE StoreOnce vs VAST Data comparison

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Comparison Buyer's Guide

Executive Summary

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

Everpure FlashArray
Sponsored
Average Rating
9.0
Reviews Sentiment
7.2
Number of Reviews
231
Ranking in other categories
All-Flash Storage (3rd)
HPE StoreOnce
Average Rating
8.4
Reviews Sentiment
7.2
Number of Reviews
108
Ranking in other categories
Deduplication Software (3rd), Disk Based Backup Systems (2nd)
VAST Data
Average Rating
10.0
Reviews Sentiment
7.5
Number of Reviews
2
Ranking in other categories
All-Flash Storage (28th), File and Object Storage (19th), NVMe All-Flash Storage Arrays (10th)
 

Featured Reviews

Sowjanya MV - PeerSpot reviewer
Technical Lead at Wipro Limited
Has improved performance for mission-critical workloads and enabled seamless non-disruptive upgrades
The availability is 99.99%, which is the main factor any customer would need because their data should be available whenever they want to access it. This is one main critical thing. It is very easy to upgrade since Pure Storage FlashArray handles it well. Everything is non-disruptive now; previously, there were forklift shifts, but now that is not the case. Pure Storage FlashArray says no to forklift upgrades. Usually hardware requires downtime, but Pure Storage FlashArray has improved their footprint so that they are not asking for downtime; everything is just a non-disruptive activity, which is why customers are more inclined towards Pure Storage FlashArray. Customers want more of the models in their environment due to the performance they are giving, and everything is in one Pure1 Array console where we can view all the models on one page or just an orchestration tool. You don't miss anything; you have replication, notifications about replication, and details about which host groups replication is happening in and if that replication is successful or failed. On a daily basis, our purpose is to create volumes for infrastructure; our daily activities include creating volumes and mapping them to the host, doing any migrations from a VM, clearing the data stores, and carving the volumes to those VMs. One key factor is the data compression with a ratio of 5:1, focusing on space efficiency, inline deduplication, and the compression Pure Storage FlashArray works on; that is a major factor we can suggest to any customer. Analytical capabilities are crucial. Daily, we check the throughput and consumption, and Pure Storage FlashArray provides predictions for one year regarding usage. This prediction helps plan updates well ahead. For support, we just raise a case, and they follow up and get it done. There is also AI readiness, but with the model R2, we don't have much of that AI readiness. For others, we do have AI readiness that predicts capacity based on daily or monthly trends, enabling us to analyze how much space we need or if we need to expand the disk shelf. From an operational point of view, a good feature is that if you accidentally delete a volume, it will be retained in the destroyed state for the next twenty-four hours, which is not the same with any other vendor. I have worked in this storage domain for the past fifteen years, and this option is remarkable, benefiting any L1 or L2 engineer. Additionally, from a compliance perspective, Pure Storage FlashArray has REST APIs enabled. I have not explored automation much, but from a security standpoint, it is strong with encryption data. If you want to automate, you can easily integrate with all clouds and explore Pure Cloud for scheduling workloads, including volume creation. Customers find benefit in Pure Storage FlashArray's single management pane of glass due to the dual controller and active-active setup. If one of the controllers goes down, all workloads automatically shift to the other controller, ensuring their data is safe and accessible at all times. This is a highlighted feature that any customer desires because their data should always be accessible. For SAN workloads, we use Pure Storage FlashArray because for SAN FC fiber channel, we don't use it; we use NetApp for NAS activities. We have clearly split this, so SAN is for mission-critical applications, while network-attached storage handles file systems. This architecture helps us maximize the benefit from Pure Storage FlashArray due to the significant workloads from this giant retail client. From a footprint and energy consumption perspective, you can see energy consumption from the Pure1 storage portal on a daily basis, and it is very compact. The three models we use consume only three units, which is quite low. From a footprint and data center perspective, it doesn't occupy much space. As everything moves to cloud, there are requirements to avoid excess spending on data centers, and Pure Storage FlashArray is efficient in energy consumption and is environmentally friendly.
NW
HPE Product Manager at a tech services company with 51-200 employees
Collaborate effectively with partners and benefit from robust data management capabilities
The functions of HPE StoreOnce that I find most valuable are its deduplication and replication options. These features save data and reduce the size of data significantly. If the actual size for backup data is 100 terabytes, using StoreOnce, it will be around less than 10% of the original size due to the 1 to 10 deduplication ratio. So, compression and replication are critical features I appreciate. Additionally, adaptive backup and restore capabilities of HPE StoreOnce are indeed very helpful functions. As I know from my technical team, the process is very easy for end users because the GUI and user experience with StoreOnce are straightforward. They can restore their backups at any time. An important feature of StoreOnce is that they can reserve an amount of storage capacity as protected capacity for a limited time, safeguarding their data against intrusion and other interactions. Based on feedback from customers, StoreOnce is regarded as a highly useful solution for backup. I am satisfied with the security aspects of HPE StoreOnce, but it's crucial for any company to maintain a multi-layer security approach. Starting with a firewall is essential for maintaining their environment. Additionally, security features on StoreOnce are useful. I believe that no company should rely solely on one layer of security; they should adopt a multi-layer security strategy that begins at the network level and extends to their internal solutions.
Alan Powers - PeerSpot reviewer
HPC CTO at a manufacturing company with 10,001+ employees
Stability-wise, a device that has been up and running for years
The failover capability and resiliency are some of the solution's valuable features. The big thing is resilience because it has richer coding in it, so multiple devices can't fail. Also, one can still access a number of CBoxes that can allow one to access their file system. Once a device fails, it fails the transparency of the end-user, and it just starts using another resource. The encryption capability, the snapshots, along with a whole bunch of features make the tool valuable. VAST Data keeps adding more and more features all the time.

Quotes from Members

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

Pros

"They have a very good support system, and the GUI is also very intuitive."
"The most valuable feature is how it simplifies the management of the SAN."
"The most valuable feature is that maintenance is free."
"The predictive performance analytics is a very good feature, as our system is performing better than before."
"Pure Storage is seen as a visionary company with leading edge technology."
"It has made working with storage as easy and simple as it should be."
"We are very happy with the data deduplication and compression ratio that we have on the platform."
"The best features Everpure FlashArray offers are the speed and dependability, which are the main features that we get from Pure; it is faster than its competition, and we do not have any documented downtime from it ever."
"Excellent and seamless virtual and physical backup."
"It is very easy to implement."
"The most effective features for data deduplication are maximizing storage capacity and minimizing expenditure."
"The product’s data retention is very good."
"The most valuable feature would be the high deduplication ratios, capable of 20 or more to 1 dedup ratio in a real-world backup environment."
"Deduplication and many integration options ie. NAS, VTL, Catalyst."
"Nothing's perfect, but the speed we get from the system, the deduplication we get from the system, the replication, it all works as designed."
"I'm impressed with their support structure, call availability, understanding, flexibility in scheduling remote sessions, and accommodating customer timeframes."
"This has been one of the most reliable storage systems that I have ever used."
"The solution is useful for machine learning and scientific applications, including computer simulations."
 

Cons

"It would be good to have metrics of the box's performance so we can see what it delivers, but currently, I can't see what it's actually doing."
"It was a little costly. The price was ultimately higher than both of the other solutions that we evaluated. I'd say that's the only downside."
"The solution is not cheap."
"I would like to see additional features like performance monitoring, configuring alerts, and the customization of alert thresholds."
"It's not so scalable. It's got moderate scaling capabilities right now. The clustering technology needs a bit of work, they need to improve that."
"From a scalability perspective, it is a very small storage solution, so it's not very expandable."
"Data reduction is an area that needs improvement. There is a garbage collection service that runs but during that time, system utilization increases."
"It was a little costly."
"Its customer service could be faster."
"Look elsewhere – you can’t change something once you have it, and it accomplishes what it needs to, but it's not leading edge enough to address the new technologies out there."
"HPE StoreOnce should come with a detailed installation guide."
"I'd like it to be quicker."
"We’ve experienced data lost. We’ve had three stores go off-line (which were recoverable) and had a disk become corrupt at the service set/couplet level."
"HPE technical support is a bit slower compared to EMC, which might have a larger support team that can respond faster."
"Some models are shipped with one power supply by default, even when redundant PSUs are supported in pairs; be aware of that."
"The product's support is an area with certain shortcomings requiring improvements. Support needs to be faster."
"The write performance could be improved because it is less than half of the read performance."
"The read/write ratio is an area in the solution with some flaws and needs improvement."
 

Pricing and Cost Advice

"The licensing is $100,000."
"For pricing, you have to take into account their performance on deduplication and compression in a $/GB comparison."
"The price of the solution can be a bit expensive. There is an additional fee for support."
"We evaluated Oracle and Hitachi, but Pure Storage had the better pricing."
"The Evergreen Storage subscription is great, because then I get new controllers every three years."
"When I last looked, the prices were reasonable, and we could get an excellent array for about $60,000."
"All storage is expensive so any price improvement would help."
"The price was more favorable than Dell EMC."
"I would rate it around two or three because, compared to others, it tends to be higher priced."
"I rate the platform's pricing a seven out of ten."
"There are costs for additional storage and space."
"The price puts me off. It's definitely on the high side."
"HPE StoreOnce is cheaper compared to other solutions in the market."
"Price-wise, it comes with a high price tag when compared to other products."
"I think the product is competitive in terms of pricing. Other products like the one from Dell are costlier compared to the tool."
"The product's pricing is medium."
"Price-wise, VAST Data is not the cheapest, not the most expensive one."
"We acquired VAST Data as a one-time, capital purchase."
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Top Industries

By visitors reading reviews
Manufacturing Company
13%
Financial Services Firm
11%
Construction Company
10%
Comms Service Provider
7%
Manufacturing Company
9%
Financial Services Firm
9%
Construction Company
8%
Computer Software Company
8%
Financial Services Firm
14%
Manufacturing Company
11%
Computer Software Company
9%
Healthcare Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business71
Midsize Enterprise38
Large Enterprise159
By reviewers
Company SizeCount
Small Business38
Midsize Enterprise30
Large Enterprise51
No data available
 

Questions from the Community

Which should I choose: HPE 3PAR StoreServ or Hitachi Virtual Storage Platform F Series?
Both are great platforms, but if you are considering all flash solutions, I would recommend you to consider Pure Stor...
What is your experience regarding pricing and costs for Pure Storage FlashArray?
I find the pricing of Everpure FlashArray to be quite high compared to other storage solutions; however, the reliabil...
What needs improvement with Pure Storage FlashArray?
I believe we have covered the most important features; the architecture of Pure Storage is essential, and features su...
What needs improvement with HPE StoreOnce?
To improve HPE StoreOnce, I think if HPE generates new models with lower capacities than 80 terabytes, it would be be...
What is your primary use case for HPE StoreOnce?
The main use case for HPE StoreOnce is that it serves as an appliance storage for backup and archiving. StoreOnce inc...
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Also Known As

Pure Storage FlashArray
HP StoreOnce
No data available
 

Overview

 

Sample Customers

Nielsen, Lamar Advertising, LinkedIn, Betfair, UT-Dallas
Eurobank Serbia
Norwest Venture Partners, General Dynamics Information Technology, Ginkgo Bioworks
Find out what your peers are saying about Dell Technologies, NetApp, Everpure (formerly Pure Storage) and others in All-Flash Storage. Updated: August 2026.
909,725 professionals have used our research since 2012.