2019-07-09 08:11:00 UTC

What is the biggest difference between EMC Data Domain and Rubrik?


One of the most popular comparisons on IT Central Station is EMC Data Domain vs Rubrik.

People like you are trying to decide which one is best for their company. Can you help them out?

What is the biggest difference between EMC Data Domain and Rubrik? Which of these two solutions would you recommend to a colleague evaluating these solutions and why?

Thanks for helping your peers make the best decision!

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22 Answers
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Top 5Real User

As Neil Mistry said, they are quite different products: Rubrik is a complete solution where Data Domain is deduplicating storage that requires software to drive. I used to manage a B&R for a company that had a Data Domain in each data center which supported 4, Tivoli Storage Manager instances at each site and the Data Domain replicated all data cross-site. It was a simple setup but we did run into some performance issues since our TSM servers were all VMs and networking inside VMware is hard to determine performance. In the end, the customer didn't like the cost of DD disk and our devices ran out of capacity. Turns out only database full backups deduplicate well. All else, including transaction logs, can go to much less expensive disk and simply be compressed.

2019-07-09 12:47:43 UTC
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Top 10User

The biggest difference is Rubrik has native software and hardware on one platform. Data Domain is only a disk target and a very good one but you still need backup software such as Networker, Veritas, Commvault, etc. That software requires both a master and media server which drives a lot of complexity. Rubrik is hyperconverged data management, there is not software licensing, end of year true-ups or additional infrastructure. Policy-based backup and restore functions with cloud archiving integration. It’s also really fast! Finally, if you’re running Nutanix and its native hypervisor AHV then Rubrik can protect that hypervisor and VMware.

2019-07-09 12:19:59 UTC
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