We compared Nasuni and Zerto across several parameters based on our users' reviews. After reading the collected data, you can find our conclusion below:
Comparison Results: Nasuni is highly regarded for its storage capabilities, simplicity, scalability, and security features. However, it may require additional assistance during setup and could improve in terms of platform support and user-friendliness. Conversely, Zerto receives praise for its continuous data protection, quick recovery, ease of use, and integration with VMware. Its initial setup is straightforward, but some users express the need for enhancements in licensing structure and support. Nasuni prioritizes storage and IT operations, while Zerto specializes in data protection and disaster recovery.
"One of Nasuni's best characteristics is its fully redundant system; we don't have to shift tapes or use other backup solutions. It's a good, full-featured product."
"We've used it to provide file source capacity for VDI environments. The security of it is important and the fact that it's object storage, it's immutable and that it can't be held for ransom. It's a lot smoother than our previous processes that weren't Nasuni-based. A lot of it is done automatically just by the system being in place."
"The most important feature is that things are backed up automatically in AWS. We have a lot of remote sites where there is a tiny server onsite and, in a lot of cases, we really don't have to back them up because the data is automatically copied to AWS. The cloud replication is the most useful functionality for us."
"Nasuni has the capability of taking a snapshot every five minutes. If a user has accidentally deleted their data, we can recover it from the snapshot and provide the latest data to the user. It's a really great feature, one that is not provided by other vendors."
"I can see who is logging in on files from all over the globe. For example, if a file is locked, maybe a user in Shanghai has locked files or something, I can see that from the Management Console, then unlock the file."
"We use Nasuni's continuous file versioning feature and it fully protects us. With the ability to version files and have continuous recovery, it helps in terms of resiliency. If we have an incident then we would be able to easily recover from it by using the technology."
"It has the ability to do end-user recovery, or a user can simply contact an admin who can perform a recovery from the management console. The versioning has simplified everything. Now we don't have to worry about those components."
"I like the unlimited snapshotting."
"Using Zerto for the migration was incredibly valuable, enabling us to save tremendous amounts of time."
"In situations of failback or moving workloads, it saves us hours. If I were to have to move a four or five terabyte machine using something like VMware's virtual copy it has to install on the machine and copy the data over. Then it has to shut the machine down and do a final copy, which means there's a lot of downtime while it's doing the final copy."
"RPO time for the copied-off VMs appears to be quite short."
"The pricing and licensing are excellent. It's very straightforward."
"This product is impressively easy to use. It's dummy-proof, once it's set up."
"The most valuable feature is the point in time recovery. This allows us to recover at any point in time, up to a minute or so."
"I prefer Zerto because it's a little more automated. VMware has more requirements... It's a little more click-and-go versus click-and-monitor..."
"It works very well in terms of it providing continuous data protection. It does what it says it is going to do. We have been using it for several years, and once or twice, we had to recover a machine or files. It didn't have any problems in doing what it is supposed to be doing."
"When users from one office save their changes, their peers in another office can see the changes within minutes. Of course, this is an area for constant improvement and we hope that they can still reduce the amount of time it takes to replicate changes."
"The speed at which new files are created is something that could be improved. For example, if you create a new file in another country, I won't see it for between 10 and 15 minutes."
"Nasuni recently implemented a health system for filers. However, it needs better visibility because it lacks data and an explanation, or reasoning as to why a particular filer may be unhealthy."
"I would like to see Nasuni provide the ability to mirror a Nasuni appliance from one site to another. They could maybe have a standby appliance that is mirrored in a different location for disaster recovery purposes. We can recover if data and a Filer are lost because of a possible ransomware event, but even that takes time to recover. If we had the ability to have a mirrored appliance, we could flip over to that mirrored device and resume instantly rather than repopulate the local appliance with data from the snapshot history in the cloud. This is another feature that we would really like to see, if possible."
"We would like to have a user desktop agent to help improve the end-user experience."
"The only issue we face with Nasuni is from the performance perspective. Sometimes, when we deploy a Nasuni device, it doesn't meet our requirements. It's a capacity-planning issue."
"Some of their cross-platform features are really good, but it could always use more."
"There are some issues with multiple users accessing the same file simultaneously. There would be times when the global file would lock when several people tried to access it, so that could be optimized more."
"The reporting could be improved in terms of the reports that you can show to auditors to prove that you have done the testing. I provide the reports that it generates now but, it would be great if, at the end of a DR test, it would generate a report of everything that Zerto did."
"Improvements in Zerto's user interface and the addition of advanced features such as artificial intelligence or machine learning for predicting ransomware attacks and workload requirements would be beneficial."
"I would like to see them continuously improve Zerto's automated functions, such as putting hosts in maintenance mode within vSphere and not having to worry as much about how Zerto is going to react... Sometimes, Zerto almost holds the vSphere environment hostage when it comes to taking certain actions. You really need to be cognizant about what you're about to do. They should further automate that and increase Zerto's ability to handle things like that in a very slick, automated way, without intervention."
"This solution could be improved by including some sort of compression or de-duplication for the same type of files."
"The tech support on my latest issue wasn't so great. I had to figure a lot of stuff out myself. It could be that I had a Level 1 tech who was new or something, but it seemed like the tech was spitballing, which does not help me."
"In future releases, doing backups of the environment we need to be able to do hot backups of the database."
"Now, everything is moving to the cloud and many modern app solutions are based on virtualization and cloud, however, for situations where Unix platforms are used, we'd like them to be able to support that."
"The backup functions are in need of improvement."
Nasuni is ranked 8th in Disaster Recovery (DR) Software with 35 reviews while Zerto is ranked 2nd in Disaster Recovery (DR) Software with 236 reviews. Nasuni is rated 8.8, while Zerto is rated 9.0. The top reviewer of Nasuni writes "We have less downtime and fewer trouble tickets from users who cannot access their shared files". On the other hand, the top reviewer of Zerto writes "Gives us business continuity capabilities during hurricane season and in case of ransomware". Nasuni is most compared with Panzura, WekaFS, CTERA Enterprise File Services Platform, Qumulo and Dell PowerScale (Isilon), whereas Zerto is most compared with Veeam Backup & Replication, VMware SRM, Rubrik, Dell RecoverPoint for Virtual Machines and VMware Cloud Disaster Recovery. See our Nasuni vs. Zerto report.
See our list of best Disaster Recovery (DR) Software vendors, best Cloud Migration vendors, and best Cloud Backup vendors.
We monitor all Disaster Recovery (DR) Software reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.
