We performed a comparison between Dell Unity XT and VMware vSAN based on real PeerSpot user reviews.
Find out what your peers are saying about Dell Technologies, NetApp, Pure Storage and others in All-Flash Storage."The most valuable feature of this solution is reliability."
"Pure FlashArray X NVMe will quickly overcome all the hurdles you face, including network and latency issues."
"The most valuable features of this solution are its ease of use and performance."
"Technical support has been helpful and responsive."
"It is very easy to install and configure. It has got excellent diagnostics. If you really need to see how the box is performing, the console gives you a lot of information. You can set thresholds as well as alerts based on the thresholds, which is a very powerful functionality. They are very proactive. They know how to monitor and manage the systems. They see a problem, and they are all over it before us. They see the problem before we see it, which is very good."
"The most valuable feature of this solution is its ease of use."
"Pure FlashArray X NVMe has low latency and high Ops. It is an evergreen model."
"It's helped us because we've changed fundamentally what we talk about. We don't talk about storage and different tiers of storage anymore nor do we talk about servers. We talk now about applications and how applications impact the business and end users."
"It is scalable. Customers are going more into distributed architecture, so the Unity definitely has a scalable architecture built into that."
"Veeam Backup integration: Veeam is the defacto standard for backing up of virtual environments."
"It's easy for us to use because we use other solutions which are built for Unity, like VMware, which are recovery points. They work with the Dell EMC Unity system, as these products integrate well in our environment."
"The UI itself is fantastic, and the ease of administration is far better than Unisphere or Navisphere ever were. It's very easy to manage. The fact that it has built-in APIs means our automation people can help us automate a lot of tasks, and that has been helpful. And, of course, it's really fast. Obviously, that doesn't hurt anything at all."
"User friendly interface"
"The Unisphere management interface: We are very familiar with it. It manages all the EMC devices that we have. Management is easy because it is part of Unisphere, which is self-learning."
"For sites that we use it on, it gives us more flexibility and high availability solutions. It is easier to expand the site, if needed."
"We just recently started using the Dynamic Pools, so while it's scalable, we actually find it valuable that we can just pop in one or two drives when we need to, instead of having to add a whole RAID set. That has actually been very handy for us."
"Easy to deploy and manage."
"VMware vSAN is a global solution, so we can manage all the storage solutions in one place. It's embedded in VCI solutions."
"VMware vSAN is an easy to use and easy to manage storage solution. Deploying and upgrading are easy. Technical support is very good."
"It scales well. We have plenty of room to grow."
"The most valuable feature is the simplification of storage. We no longer need to deal with Fibre Channel and the external storage arrays."
"By eliminating dependency on that back-end storage, we now depend on everything that's in the VMkernel with vSAN. We eliminate the middleman."
"Everyone uses virtualization to more efficiently utilize hardware resources. That's the main point of vSAN and VMware."
"vSAN is one of the easiest implementations of any VMware product. It's almost like click it to enable it, then you're almost done."
"The tool's pricing is higher than competitors."
"The UI for this solution needs to be improved."
"You cannot tag a LUN with a description, and that should be improved. What I like on the Unity side is that when I expand LUNs or do things, there is an information field on the LUN. This is the Information field that you can tag on your LUNs to let yourself know, "Hey, I've added this much space on this date". Pure lacks that ability. So, you don't have a mechanism that's friendly for tracking your data expansions on the LUN and for adding any additional information. That's a downside for me."
"I would like to see replication and DR features in the next release of this solution."
"Right now, the box itself is just strictly working as a backend storage system. It would be fantastic if we could access it directly like a NAS device through network access or SIS drives. I think they have an interface, but I am not sure how good it is. If we could address a box directly on the network without having to go through a server, it would be great. The replication schemas could be improved. We are not using replication on the storage level right now. We use a different type of replication. If their replication would be as good as the one that we have, I would probably run the replication schema because it might be faster, but I don't know that for a fact. So, I cannot say that they have good replication. All I can say is that they need to inform us better."
"Efficiency improvements would always be welcome, but I'm not sure if they could get more efficient."
"We would like to see more visibility into garbage collection and CPU performance in the GUI."
"It is on the expensive side."
"Licensing costs could be reduced."
"The uses of tools to communicate with EMC directly. With EMC, I am not able to connect and resolve issues without assistance, so they can't do unattended maintenance on devices, which would be a massive benefit if they could."
"We had some issues recently because of a bug in the system. We were presenting LANs to the Unity array but I think it caused a disruption to the host. EMC did acknowledge it and provided an alternative way to do it."
"There's always room for improvement with the UI. That can be a little cumbersome at times."
"It's not as reliable as it should be, I think it was probably released a little early. We've had production problems with customers, and there are still some challenges at scale as well. Compression is a problem for the system. Once you enable dedupe and compression, the performance of the system, the capability, halves... It has to be right-sized and sized for compression, but even with that, because there are only two storage processors, you're ending up at almost 40 percent usage."
"Dell EMC Unity is not sexy. It doesn't have all the flash and pizzazz of some of the other storage vendors."
"Compression and block deduplication on non-all-flash solutions."
"VNX used to have some features that Unity still doesn't have. From that perspective, the progress is not that advanced."
"If the support could be provided more quickly, it would be very helpful."
"The main problem we had was hardware compatibility, finding the right hardware that was certified."
"Hardware load balancing is available on the enterprise version of the solution, however, it's extremely expensive and therefore out of our budget."
"One thing in vSAN that I would like to improve is using vSAN as a repository for files or other things. For example, with Horizon, maybe we can save profiles with UEM on there. That would be a good feature that I would like."
"Perhaps they could provide encryption without having to use an encryption manager."
"VMware vSAN needs to improve its features because other solutions have more advanced features."
"It could have some automation. We haven't involved ourselves in a lot of automation around the vSAN environment capabilities. We're still running it using a very traditional setup. So, there could be some plugins to automate it using third-party environments, such as Jenkins."
"If one node out of your ten nodes fails, it takes a lot of time to replicate and rebalance VMware vSAN. This time can be reduced. When a node fails and the data is not accessible, vSAN has to be rebalanced to make the redundancy level of two again. However, if it is taking a lot of time and any other hardware fails during that time, then we have a problem. Two disk failures mean that all data will be lost, and we may have to recover it from the backup. So, the number of threads that run to do the rebalancing could be more so that the time taken to make it fully redundant again is not so much."
Dell Unity XT is ranked 4th in All-Flash Storage with 189 reviews while VMware vSAN is ranked 2nd in HCI with 227 reviews. Dell Unity XT is rated 8.4, while VMware vSAN is rated 8.4. The top reviewer of Dell Unity XT writes "Easy to set up with good data compression technology and useful deduplication". On the other hand, the top reviewer of VMware vSAN writes "Very stable, easy to set up, and easy to use". Dell Unity XT is most compared with Dell PowerStore, NetApp AFF, HPE Nimble Storage, Pure Storage FlashArray and HPE Primera, whereas VMware vSAN is most compared with VxRail, Microsoft Storage Spaces Direct, HPE SimpliVity and Red Hat Ceph Storage.
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