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IBM Spectrum Scale vs VMware Software Defined Storage comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Dec 5, 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

Everpure FlashArray
Sponsored
Average Rating
9.0
Reviews Sentiment
7.2
Number of Reviews
231
Ranking in other categories
All-Flash Storage (3rd)
IBM Spectrum Scale
Average Rating
8.4
Reviews Sentiment
7.1
Number of Reviews
14
Ranking in other categories
Software Defined Storage (SDS) (10th), Cloud Software Defined Storage (1st)
VMware Software Defined Sto...
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
7
Ranking in other categories
Software Defined Storage (SDS) (14th)
 

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.
Sachin Prakash - PeerSpot reviewer
Assistant Consultant at a tech vendor with 10,001+ employees
Has optimized performance using cluster deployment and distributed file access but needs better visibility into network dependencies
IBM Spectrum Scale being software-based storage allows users to utilize any hardware supported or defined by IBM without dependency on physical hardware provided by IBM. This is one of the features I appreciate most because if you have existing infrastructure at your site but don't want to reinvest in hardware, you can purchase IBM Spectrum Scale software and deploy it as software-defined storage. Users can comfortably access data from their host to the storage host without relying on new network setup when deploying GPFS as it uses the existing corporate network. However, high-speed ethernet network is required. By adding switches to the same network where client hosts reside and deploying GPFS storage array, any file system created on the storage cluster can grant export permissions determining which hosts can access specific file systems. These hosts can directly mount them as remote file systems. The process is simpler compared to defining IQN for providing access to client hosts. Creating a cluster for clients with virtual machines or physical Linux/Windows machines requires installing GPFS services on client nodes, which creates a client cluster. Access is defined on the storage cluster for the particular client cluster, allowing all hosts in that client cluster to mount file systems with granted permissions.
Mohammad Jundiah - PeerSpot reviewer
Solutions Architect at QDS
Data security and performance excel but integration and licensing need improvement
I used Nutanix for its hyper-converged infrastructure capabilities and VMware Site Recovery for disaster recovery.  Additionally, I worked with VMware Software Defined Storage both internally and with partners to consolidate servers into one solution The most valuable features of VMware Software…

Quotes from Members

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

Pros

"If you need faster storage and a good product, this is the one you should go ahead with."
"Everpure FlashArray has positively impacted my organization, particularly in performance and reliability, as we've had good improvements, making our applications run faster and giving us more confidence that they will not crash."
"We only have storage provisioning, so the provisioning feature is good. The compression and deduplication are good."
"Running SAP on Pure Storage helps a lot without doing any further tuning to improve application performance. Our internal clients are happy."
"The speed is the most valuable feature of this solution."
"We are finding the TCO of flash to be lower than SSD implementations."
"We have seen a good reduction in the amount of total storage space that we're using because of the deduplication."
"We saw a vast improvement when we switched over to using the Pure Storage model over the XtremIO."
"It is incredibly scalable; you can add more storage to it, add more file sets, and add it to more servers, making it a robust product that should be able to expand with us."
"It has been pretty reliable throughout the years. As far as capacity is concerned, it can handle most heavy loads."
"The most valuable feature is the ability to share files across different platforms."
"We use it for our data over multiple systems, and at the same time it is a shared file system that works pretty well for the most part."
"Spectrum Scale is one of the most important products in our environment now."
"We use GPFS Scale for parallel file access, the file management, and it's an essential part of our operations."
"It is incredibly scalable and stable."
"I find IBM Spectrum Scale to be an excellent product known for its fast parallel file system."
"The most valuable features of VMware Software Defined Storage are scalability, high availability, and performance."
"VMware Software Defined Storage gives higher availability against data corruption."
"The single management panel is the main feature that is wonderful for the customer."
"The technical support is awesome."
"The most valuable features of the solution are that it is easy to deploy and the support is really good."
"The product is user-friendly from an administrative standpoint and very easy to use."
"This is an easy-to-use product for adding flexibility to your storage solution."
"The solution is simple to configure and provides good performance and less footprint."
 

Cons

"I would like to see active replication. I know that it's available now but I haven't tried it yet. I hope that it works."
"It would be beneficial to have a health check command that can be run from the CLI to ensure that all hardware components are functioning properly rather than having to enable remote access and connect to support for a health check."
"I would like a feature to integrate with external or cloud solutions."
"The higher education moves slowly. We are still looking forward to implementing the full list of existing features."
"Areas for improvement would be the financial operations. In the next release, I would like to see a NAS protocol included."
"Pure Storage support could be a little better."
"I would like to see the NAS add-on component become more fault-tolerant than just a single virtual machine running inside the array. I'm unwilling to use it for that reason."
"In the next release, I would like to see file-level encryption."
"The initial setup is complex, especially if trying to avoid erasure coding, as it requires more discs. Avoiding erasure coding can significantly increase costs."
"I believe there is no graphic user interface, so they should include it."
"The pricing and licensing model for this solution are complex and it is sometimes difficult to explain it to customers."
"We do not feel as a company that the product can grow with us anymore, so we are not going to use it anymore."
"It would be helpful if there was a graphical user interface that could walk you through the deployment process. The instructions surrounding setup aren't the best. They need to be more step-by-step."
"This is probably the biggest challenge, getting everything upgraded, because it just takes time. We wish it was a faster solution to be able to do everything at once, but you have do each node individually. The more nodes, the longer it takes."
"The main issue that we have now is with the encryption. They want to use more metrics in encryption, which is not working very well."
"Making it a little easier to add bad file sets would help. There is a transition to how you add storage and how you add a file set, so making that a little smoother would probably be my recommendation."
"The performance is not as good as some competing products and reporting can be improved."
"I'd like to see improved hardware compatibility"
"The cost of the product is where an improvement could be made. It's generally very expensive and requires a lot of architecture that needs to be designed according to specific situations."
"The solution has some limitations in terms of replication to remote sites or cloud infrastructure, which need improvement."
"The license model of the product is an area of concern where improvements are required."
"Simplifying the licensing model and making it cheaper would improve the solution."
"VMware Software Defined Storage should include a shared database on a standard version."
"There is room for more integrations and plugins into more storages."
 

Pricing and Cost Advice

"Once you purchase Pure Storage FlashArray it is all-inclusive, you receive all the licenses needed."
"The best features come included without any additional cost."
"Our Evergreen Storage subscription is supposed to be good when we go to upgrade."
"When you are paying more than you were paying for the storage space, you'd like the cost to be less. If they could get into the spinning disk kind of cost, that would be it."
"The Evergreen Storage subscription is a really cool concept. As long as we maintain our subscription, we will get new controllers every three years and really never have a forklift upgrade like we currently are doing. Just that future-proofing is an ease off of my mind to know that I won't have to do what I'm dong right now again."
"The license for Pure Storage FlashArray includes the support and there are no additional payments that are needed. This is not an inexpensive solution, you need to understand the value of your data before you use a backup solution."
"We lost a lot of customers because we couldn't compete on price with other vendors."
"It is cost-effective because after buying a subscription, they provide a service to upgrade hardware for free. They are providing so many features. When you consider the features provided, it is cost-effective."
"The licensing model is complex and depends on factors such as the number of processing cores and the amount of storage."
"The solution is costly but reliable."
"The licensing is based on the number of terabytes."
"The product is quite expensive and is among the most expensive for this type of solution."
"The solution is very expensive."
"VMware Software Defined Storage is a slightly expensive solution."
"I believe there is a yearly licensing fee of around $2000 - $5000. I don't think there are additional costs above that but it depends on the type of infrastructure you're booting."
"A single socket costs you around US $6,000 for three years. At a minimum, you have a three load cluster for a medium or enterprise-scale company. It can get quite expensive because you're likely to need four to six sockets on the other side. It comes to around $30,000."
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Top Industries

By visitors reading reviews
Manufacturing Company
14%
Financial Services Firm
12%
Construction Company
10%
Computer Software Company
7%
Financial Services Firm
17%
Manufacturing Company
10%
Construction Company
7%
Government
6%
Computer Software Company
18%
Financial Services Firm
16%
Manufacturing Company
8%
Construction Company
8%
 

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 Business6
Large Enterprise8
By reviewers
Company SizeCount
Small Business3
Large Enterprise6
 

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 have knowledge about the licensing part, which we obtained for around 10 years from the time of deployment, but I d...
What needs improvement with Pure Storage FlashArray?
When it comes to Everpure FlashArray ports shown in the GUI, it would be better if, when one of the Pure array ports ...
What is your experience regarding pricing and costs for IBM Spectrum Scale?
IBM Spectrum Scale functions as software-based storage, allowing users to utilize any hardware supported or defined b...
What needs improvement with IBM Spectrum Scale?
The system relies heavily on ethernet networking, and when issues occur, we must consult with the network team to inv...
What is your primary use case for IBM Spectrum Scale?
My personal use of this product is for parallel writing or reading files.
What is your experience regarding pricing and costs for VMware Software Defined Storage?
The price of VMware Software Defined Storage is on the pricey side, rated four out of five in cost. There is room for...
What needs improvement with VMware Software Defined Storage?
There is room for more integrations and plugins into more storages. More automation, such as using Playbook on Ansibl...
What is your primary use case for VMware Software Defined Storage?
I used Nutanix for its hyper-converged infrastructure capabilities and VMware Site Recovery for disaster recovery. Ad...
 

Also Known As

Pure Storage FlashArray
No data available
VMware SDS
 

Overview

 

Sample Customers

Nielsen, Lamar Advertising, LinkedIn, Betfair, UT-Dallas
Information Not Available
Helse Nord, Sky
Find out what your peers are saying about IBM Spectrum Scale vs. VMware Software Defined Storage and other solutions. Updated: June 2026.
902,270 professionals have used our research since 2012.