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DRBD vs FlashGrid Cluster for Oracle RAC 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

DRBD
Ranking in High Availability Clustering
3rd
Average Rating
8.0
Number of Reviews
1
Ranking in other categories
No ranking in other categories
FlashGrid Cluster for Oracl...
Ranking in High Availability Clustering
7th
Average Rating
8.4
Number of Reviews
3
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of November 2026, in the High Availability Clustering category, the mindshare of DRBD is 13.6%, up from 13.1% compared to the previous year. The mindshare of FlashGrid Cluster for Oracle RAC is 3.0%. It is calculated based on PeerSpot user engagement data.
High Availability Clustering Mindshare Distribution
ProductMindshare (%)
DRBD13.6%
FlashGrid Cluster for Oracle RAC3.0%
Other83.4%
High Availability Clustering
 

Featured Reviews

it_user302112 - PeerSpot reviewer
Senior Consultant IT Infrastructure at a tech consulting company with 51-200 employees
It's kept data synchronized between multiple nodes in different datacenters, though it should have its own filesystem which can be used in multi-master environments.
Working with DRBD can be complex and it takes time to understand how it works. Especially split-brain scenarios need to be handled carefully. When it comes to multi-master setups, which are possible with the latest DRBD version, you need to use a cluster filesystem. I think that DRBD should write their own filesystem which can be used in multi-master environments since most cluster filesystems are complex or simply have many flaws.
JF
Senior Database Administrator at a healthcare company with 10,001+ employees
Cloud migrations have become faster and active-active databases achieve near-zero downtime
FlashGrid Cluster for Oracle RAC is very secure regarding its AI capabilities. Most products today rely on cloud migration or are connected to AI, so I believe it is quite safe. Of course, there is room for improvement. The accuracy and reliability of FlashGrid Cluster for Oracle RAC has been excellent. In my experience, the accuracy and reliability have been all positive, and I have no negative things to say about it. It is very helpful and secure. FlashGrid Cluster for Oracle RAC is deployed in my organization in a hybrid and private cloud environment. I use Azure and AWS as my cloud providers. My advice to others looking to use FlashGrid Cluster for Oracle RAC is that I believe a trial period for every database administrator would be valuable. Everyone might love the solution if given the opportunity to try it. I rate FlashGrid Cluster for Oracle RAC eight out of ten because while there is room for improvement, it was easy to navigate and accomplish automated infrastructure deployment, which was very helpful.

Quotes from Members

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

Pros

"DRBD helped me and many customers to provide data in an HA environment with low costs (since DRBD itself is free)."
"The stability and performance of the cluster during testing were impressive."
"FlashGrid Cluster for Oracle RAC was very helpful in solving the shared disk problem."
"I saved $50,000 per Oracle RAC cluster per annum using FlashGrid, which includes both storage cost, compute cost, and also manpower cost."
 

Cons

"Working with DRBD can be complex and it takes time to understand how it works."
"I believe FlashGrid Cluster for Oracle RAC can be improved by providing better guidance on how to utilize it smoothly, especially regarding the learning curve."
"One weakness is that there might be performance degradation once I install Oracle RAC in the public cloud using FlashGrid; that is one weakness I have encountered after migrating to the public cloud with FlashGrid."
"There is room for improvement in the area of migration or integration with existing on-premises infrastructure."
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Top Industries

By visitors reading reviews
No data available
Construction Company
20%
Financial Services Firm
18%
Comms Service Provider
12%
Insurance Company
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
No data available
 

Questions from the Community

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What is your experience regarding pricing and costs for FlashGrid Cluster for Oracle RAC?
I am not part of the pricing, setup cost, and licensing decisions for FlashGrid Cluster for Oracle RAC. I have only been delegated to use it, so I cannot provide comments on that.
What needs improvement with FlashGrid Cluster for Oracle RAC?
I believe FlashGrid Cluster for Oracle RAC can be improved by providing better guidance on how to utilize it smoothly, especially regarding the learning curve. Adding resources for understanding ho...
What is your primary use case for FlashGrid Cluster for Oracle RAC?
My main use case for FlashGrid Cluster for Oracle RAC is cloud migrations and active-active high availability across multiple availability zones. I use FlashGrid Cluster for Oracle RAC for spreadin...
 

Also Known As

No data available
FlashGrid for Oracle RAC and Database HA (on OL 9), FlashGrid for Oracle RAC and Database HA (on RHEL 9)
 

Overview

 

Sample Customers

Cisco, Portland State University, Porsche Informatik, Siemens, Ericsson,T-Mobile, Addidas
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Find out what your peers are saying about InfoScale, Microsoft, Linbit and others in High Availability Clustering. Updated: November 2026.
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