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IBM XIV vs Oracle Sun ZFS Storage Appliance comparison

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Comparison Buyer's Guide

Executive SummaryUpdated on Feb 2, 2025

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

IBM XIV
Ranking in Modular SAN (Storage Area Network)
11th
Average Rating
7.6
Reviews Sentiment
5.4
Number of Reviews
6
Ranking in other categories
No ranking in other categories
Oracle Sun ZFS Storage Appl...
Ranking in Modular SAN (Storage Area Network)
9th
Average Rating
7.6
Reviews Sentiment
7.6
Number of Reviews
2
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2026, in the Modular SAN (Storage Area Network) category, the mindshare of IBM XIV is 3.4%, up from 1.7% compared to the previous year. The mindshare of Oracle Sun ZFS Storage Appliance is 6.5%, up from 4.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Modular SAN (Storage Area Network) Mindshare Distribution
ProductMindshare (%)
Oracle Sun ZFS Storage Appliance6.5%
IBM XIV3.4%
Other90.1%
Modular SAN (Storage Area Network)
 

Featured Reviews

Ajith Kandaramage - PeerSpot reviewer
IT Operation Engineer at HNB
Good value for money but issues with modular scaling
IBM XIV's most valuable features are NVME, especially when it comes to de-duplication, compression, and responsiveness I've been using IBM XIV for two and a half years. IBM XIV is stable. IBM XIV's scalability is adequate for our requirements, but because it's modular, you can't scale to larger…
RM
IT Consultant at a manufacturing company with 1,001-5,000 employees
A stable unified storage system that enables quick access to data
The main thing Oracle can improve is the cost. It would be better if Oracle opened up the system to enable integration with other vendors. Whether it's the database, application server, or storage appliance, they should make it easy to integrate them. They need to open up more to ensure that it can work in any environment and IT ecosystem.

Quotes from Members

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

Pros

"IBM XIV is attractive because it gives value for money in terms of features."
"Installation is amazingly easy."
"The XIVs here are only being used for non-production and dev systems, but still the performance and robustness of the systems are very good."
"Implementing Remote mirroring and local Snaps is very easy."
"The product is exceptionally reliable and very easy to manage."
"XIV setup is very straightforward and easy to configure."
"For us, the XIV is pretty much set-it-and-forget-it storage."
"As it spreads, a chuck of 1MB across the board means using all available spindles on the backend."
"Oracle Sun ZFS Storage Appliance is a very stable and durable product that's very strong and mature."
"I like its storage capacity, quick access to the data, speed, and overall storage management."
"Very good analytics Very easy to configure."
 

Cons

"I encountered stability (performance) issues during enclosure or disk rebuild. Also some power supply issues due to malfunctions of ​circuits. Sometimes "internal" Snap sessions hang and consume pool capacity."
"This product was not a good fit for our organization as we have a ton of latency sensitive applications and XIV was not able to keep up with IO + latency demand."
"Until the drive is replaced, the pool_resizing is locked."
"I guess we'd like to see the XIV keep pace with how storage is going in terms of speed and latency."
"The change form synchronous mirroring to asynchronous (and vice versa) without reconfiguration from scratch would be helpful."
"I would rather have a web GUI served directly from the unit, and a CLI accessible directly through SSH."
"Until the drive is replaced, the pool_resizing is locked. This has been an issue a lot of times, especially when the contract says IBM will not replace disks until three drives fail."
"IBM XIV's scalability is adequate for our requirements, but because it's modular, you can't scale to larger requirements."
"Uptime. We had some crashes here and there."
"The main thing Oracle can improve is the cost. It would be better if Oracle opened up the system to enable integration with other vendors. Whether it's the database, application server, or storage appliance, they should make it easy to integrate them. They need to open up more to ensure that it can work in any environment and IT ecosystem."
 

Pricing and Cost Advice

"Licensing is straightforward."
"If you are going to use the product behind an SVC, IBM will price the units lower, since you are likely not to use any of the advanced copy services."
"We have a five-year total cost of ownership where we pay an initial amount and then annually for maintenance."
"No-license-required policy, unlike others where you need a license for everything. Just pay once and forget about licenses."
"The price could be better. We have many competing products now like Huawei and Dell EMC, and these are slightly cheaper."
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Top Industries

By visitors reading reviews
No data available
Construction Company
12%
Comms Service Provider
9%
Healthcare Company
9%
Insurance Company
9%
 

Company Size

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

Also Known As

XIV
Sun ZFS Storage Appliance
 

Overview

 

Sample Customers

Celero, NaviSite, Technische Universit_t Mªnchen, Netflix Inc., Muhr und Bender KG, Pelephone Communications
Translational Genomics Research Institute, Nara Institute of Science and Technology, CyberSolutions Inc., Y-Telecom, First Alliance Bank Zambia Limited, AZ Sint-Jan Brugge-Oostende, Mutlinet Pakistan, TDC A/S, Digi-Key Corporation, Thurgau Cantonal Bank
Find out what your peers are saying about IBM XIV vs. Oracle Sun ZFS Storage Appliance and other solutions. Updated: September 2026.
915,341 professionals have used our research since 2012.