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Dell Unity XT vs VNX [EOL] 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 X NVMe
Sponsored
Average Rating
9.0
Reviews Sentiment
6.7
Number of Reviews
36
Ranking in other categories
All-Flash Storage (17th), NVMe All-Flash Storage Arrays (6th)
Dell Unity XT
Average Rating
8.4
Reviews Sentiment
6.5
Number of Reviews
198
Ranking in other categories
All-Flash Storage (5th)
VNX [EOL]
Average Rating
8.0
Number of Reviews
36
Ranking in other categories
No ranking in other categories
 

Q&A Highlights

it_user752949 - PeerSpot reviewer
Principal Architect with 1-10 employees
Dec 03, 2017
 

Featured Reviews

Jaehoon Oh - PeerSpot reviewer
Chief Technology Officer at Lambda256
Supports efficient storage management through volume snapshots and offers reliable non-disruptive upgrades
I have no specific improvements to suggest for Pure FlashArray X NVMe at this time. The performance statistics could be enhanced. I can see the performance statistics in the Pure Storage console, but it does not show the performance by 4K byte unit. It displays IOPS and bandwidth, but IOPS is about real use, and I want to know how many IOPS are currently running in 4K byte units. I cannot see that IOPS because most storage systems report their performance by 4K byte unit. I want to see Pure Storage performance by 4K byte unit to compare with other storage or other internal NVMe SSD.
DK
Sales Account Manager - BFSI Sector at Frontier Business systems
Customer needs are addressed effectively with collaborative sales and service support
Recently, customers have been asking for a cloud tiering option in storages. Some Dell storages do not have cloud tiering, which is an optional commercial feature. NetApp's FSA model 2750 comes with an inbuilt cloud tiering option. In the future, if Dell storages include this option, especially for Unity, it would help us target SME or medium enterprises for quicker closures and support the sales team.
AZ
Works at AIT
The Nimble CS-Series has proven to be reliable with 100% uptime
When we started the process of looking for a SAN vendor I had four primary criteria: reliability, performance, cost, and simplicity. We were really looking for a unicorn and were fully expected to have to make compromises in one of those areas. The Nimble CS-Series was recommended by our solutions provider, and we were blown away. Not only was it the most affordable option, but it was the easiest to deploy, had the best performance, and has proven to be reliable with 100% uptime.

Quotes from Members

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

Pros

"The duplication algorithm allows us to get a lot more use out of less storage. We're running a five terabyte array right now and we're running probably about 30 terabytes on it. So the duplication rate is pretty phenomenal, without a cost to performance. It still runs pretty smoothly."
"The database workloads are pretty fast because I frequently move data from here to there."
"The solution uses newer technology for deduplication and compression."
"I use the tool for Oracle databases, Oracle virtual machines, and Oracle Linux databases. I'm on the storage side, not a database administrator."
"The system allows for seamless learning experiences, facilitating quick and easy cloning of environments within minutes."
"FlashArray has some fresh efficiency features. I've never seen a storage solution with a compression rating this high before. It's at least 4-to-1 on Oracle databases. It's the best flash storage for Oracle."
"If a company is looking for an All-Flash Tier and they need extreme performance for individual workloads, Pure's the way to go, over something like a SolidFire."
"We generally always advise people to make the choice to go with Pure Storage because they won't regret it."
"We were able to integrate it very quickly with other solutions."
"We put the Unity on one of the file servers and the backup performance improved quite a lot."
"Dell Unity XT is quite scalable and can be scaled up to the petabyte level."
"It works great, has a very simple interface that we're comfortable with, so it's a good product for us."
"The valuable features of Unity include that it's flexible, has a friendly user-interface, and provides good performance."
"It’s helped with the overall stability of our VMware environment."
"The most valuable aspects of this solution are its stability, performance, and ease of updating."
"This solution is easy to work with and easy to maintain."
"Since implementing VNX, we achieved a 10 times increase in the performance for its end users."
"If you are looking for a stable, powerful and effective entry level SAN that you can provision on your own for a small environment or a small office/remote office situation - this is definitely the product for you."
"VNX 5200 works well with a medium VMware cluster, has good performance, and enables hardware disk replication."
"FAST auto-tiering is a great feature."
"Technical support is good."
"The replication feature provides another functionality to protect your data."
"Technical support is fast and always fixes the issues."
"The most valuable feature is the tight VMware integration, due to the migration from bare metal to virtualized environments and then on to the cloud."
 

Cons

"Efficiency improvements would always be welcome, but I'm not sure if they could get more efficient."
"The UI for this solution needs to be improved."
"We would like to see more visibility into garbage collection and CPU performance in the GUI."
"It's more multi-tenant functionality in their Pure1 manage portal that is lacking."
"Its price is a little high right now. Otherwise, I would have given it a ten."
"In terms of what needs improvement, the dashboard and management could be simplified."
"In terms of what needs improvement, the dashboard and management could be simplified."
"There are some challenges with data encryption and reduction."
"Last (and I understand that it has a low chance of being implemented) the copy services currently are redirect on write. It would be great if the administrator could choose between redirect on write and copy on write, when configuring copy job."
"It's very frustrating that it's not backward-compatible with the previous platforms, so it's a struggle for a lot of our customers."
"Firmware Upgrades in EMC Unity require you to manually download OS and Drive firmware, this should be integrated (Nimble does this). When you order an EMC Unity, you have to specify the block size."
"We have had a lot of issues. We've got massive issues at the moment with IBM AIX, it's not stable, we have a lot of disk errors, production crashes sometimes, and that's not good for a retailer."
"I would like to see better compression, better dedupe. It's not nearly as good as what is built into the XtremIO. I understand why that is the case, but if they can take some of that technology and leverage that a little bit better in the Unity array, that would be great."
"The user interface could use improvement."
"Dell could improve Unity XT by adding support for NVMe."
"Recently, they released products, sometimes without proper testing, it seems."
"VNX can improve by offering flexible upgrade options. It's not possible to add a single HDD to a current array and there are fixed rules to make upgrades."
"It would be very helpful to get an automated report that shows you the size of the checkpoints and get warnings when a checkpoint is reaching either maximum capacity per a file system or hitting the ceiling on the SavVol pool consumption."
"There is an easy replication process between distinct data centers via VPLEX and/or RPA. But I hope in the future that EMC/Dell could replicate this with other types of storage."
"So far we haven't had many issues with the VNX. However, the Data Mover (that manages CIFS/NFS) part needs some improvements."
"Storage processor architect for real active/active HA ASIC based functions are needed"
"The scalability is average because the storage has some hardware limitations and, obviously, operating system limitations."
"HP EVA and once NetApp, but they both had slow performance and a lack of features so we switched."
"EMC products are costly when compared to other vendors such HP, Hitachi, Dell, and NetApp."
 

Pricing and Cost Advice

"The product is expensive."
"With Pure Storage, we would like to continue seeing price reductions with flash storage. I don't think we're any different than anybody else when we continue to look to the industry for price reductions of both NVMe and traditional SSD storage. We would like to see these prices continue to decline and erode, even displacing large spinning disks."
"Its price could be better. It is not too expensive, but it is the high-end cost. It is kind of a Rolls-Royce. You pay a lot, but you get a lot out of it. So, the price pressure on the way down would be great, but at the end of the day, if you need to do the work, you just pay for it."
"As far as the licensing costs, everything is included in the license."
"The tool's pricing is cheap; I rate it a six to seven out of ten. Most of our sales are not subscription-based. We sell the hardware, and customers keep using it. They only renew the service part annually. The support can be a bit pricey, but the solution is more cost-effective than anything else out there."
"With VMware, we pay $300,000 annually."
"The support cost per array is about $20,000 a year for 24/7 support."
"Pure FlashArray X NVMe’s pricing is cheaper than other products."
"The pricing is competitive. We miss some of the feature functionality that we had with the XtremeIOs but it's certainly suitable for the purpose."
"This unit is one of the cheapest storage all-flash arrays in the market and it does well for what it is intended. It can be combined for both file and block storage."
"The price of Dell EMC Unity XT is higher compared to other solutions. The price should be less expensive."
"Our big return of investment is the ability to scale and not add FTE counts nor extra administration."
"The return on the investment was simply speeding up our entire vSphere stack, which allowed our developers and engineers to get their workloads done faster and simpler. We were experiencing VM snapshot times of 45 minutes to two or three hours, and it shrunk it down to under five minutes."
"Obtaining a warranty is easy."
"The price in our country is very expensive and some of our customers opt for lower-cost alternatives."
"Licensing is easy since all the software is included."
"Over time, VNX has become pricier than its competitors, and we have turned enthusiastically to Unity."
"The initial pricing and licensing are reasonable, the yearly EMC is more expensive"
"Make sure you understand how the licensing works and that you are getting the right set of licenses if you need array-to-array replication."
"Pricing is somewhat higher, especially in Zambia, perhaps due to the low sales volume."
"While EMC tends to be on the expensive side, the stability and support of their products are top-notch and I feel are worth the cost."
"​Reducing dependency on JavaServer Pages​ (JSP) could improve the administrative overhead.​"
"The initial pricing and licensing are reasonable. Yearly EMC is more expensive."
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Answers from the Community

it_user752949 - PeerSpot reviewer
Principal Architect with 1-10 employees
Dec 3, 2017
Dec 3, 2017
Unity series is re-engineered VNX, so the Unity is newer … it makes better use of flash, active – active , dual controller mode; better price point , configurations solid upgrade from the VNX
2 out of 21 answers
CT
Business Development Manager at a tech services company with 51-200 employees
Oct 31, 2017
The VNX range is older and is being phased out. I think you mean VNX 5200? That said the Unity 400 is the better investment as it is newer, cheaper to support, faster, and with higher capacity and bigger supported file system size.
it_user281856 - PeerSpot reviewer
Advisory Systems Engineer at a tech vendor with 1,001-5,000 employees
Oct 31, 2017
Hope this helps: http://virtualgeek.typepad.com/virtual_geek/2016/05/emc-world-2016-unity-the-story-behind-the-story.html
 

Top Industries

By visitors reading reviews
Computer Software Company
11%
Financial Services Firm
11%
Manufacturing Company
11%
Government
6%
Computer Software Company
12%
Manufacturing Company
10%
Financial Services Firm
8%
Comms Service Provider
6%
Financial Services Firm
15%
Marketing Services Firm
14%
Manufacturing Company
10%
Construction Company
9%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business15
Midsize Enterprise11
Large Enterprise12
By reviewers
Company SizeCount
Small Business62
Midsize Enterprise49
Large Enterprise94
By reviewers
Company SizeCount
Small Business5
Midsize Enterprise6
Large Enterprise23
 

Questions from the Community

What do you like most about Pure FlashArray X NVMe?
Pure FlashArray X NVMe helps to improve our processing speed. It is user-friendly and easy to use.
What is your experience regarding pricing and costs for Pure FlashArray X NVMe?
The price of Pure FlashArray X NVMe is very expensive, though I do not know the actual price because I am using the E...
What needs improvement with Pure FlashArray X NVMe?
I have no specific improvements to suggest for Pure FlashArray X NVMe at this time. The performance statistics could ...
What is the Biggest Difference Between Dell EMC Unity and NetApp AFF?
I saw that you have doubts about what you chose. I have a lot of experience with the constructor, honestly I can reco...
What is the Biggest Difference Between Dell EMC Unity and NetApp AFF?
They’re both great solutions and I’ve used both. EMC is being VERY aggressive on pricing which may be the undoing of...
What is the Biggest Difference Between Dell EMC Unity and NetApp AFF?
First of all the decision should be taken looking at similar products in terms of capacity and performance. I will sh...
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Also Known As

Pure FlashArray//X NVMe, Pure FlashArray//X, FlashArray//X, Pure FlashArray X NVMe
EMC Unity, Dell EMC Unity
VNX
 

Overview

 

Sample Customers

Fremont Bank, Judson ISD, The Nielsen Company
Draper, Rio Grande Pacific, Royal Victoria Regional Health Centre
Samsonite, Comanche County Memorial Hospital, Kindred Healthcare
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